I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

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I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Internet-Drafts Administrator

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Rakesh Gandhi
Hi WG,
This revision contains following updates:
  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

Welcome your review comments and suggestions.

Thanks,
Rakesh (for co-authors)


On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
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https://www.ietf.org/mailman/listinfo/ippm

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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Tommy Pauly
Hi IPPM,

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

Best,
Tommy

On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

Hi WG,
This revision contains following updates:
  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

Welcome your review comments and suggestions.

Thanks,
Rakesh (for co-authors)


On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
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https://www.ietf.org/mailman/listinfo/ippm
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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Foote, Footer (Nokia - CA)

Hi IPPM!

 

As a recent co-author, I feel this work introduces some benefits that should be considered.  This draft leverages the flexibility introduced by Simple Two-Way Active Measurement Protocol Optional Extensions [RFC8972] adding specific uses cases for Segment Routing IPv6 (SRv6) and Segment Routing MPLS (SR-MPLS) networks looking to use STAMP.  The TLVs introduced by this draft allow for instruction based messaging between the STAMP session-sender and STAMP session-reflector to influence the return path, for end to end measurement, including a SR MPLS Label Stack and SRv6 Segment List.  These optional extension allow for the one-way forward and one-way backward delay measurements to represent the same collection of links and nodes between the STAMP session-sender and STAMP session-reflector in each directions.  It also introduces the ability to instruct the STAMP session-reflector to utilize the same link between directly connected IP peers.  This also allows for the STAMP session-reflector to skip the global route lookup, if that is the preferred method to determine return next-hop, to ensure the same directly connected IP link is used in both directions, and not some other link that is of each cost. 

 

I believe it important to leverage and grow the work done by Simple Two-Way Active Measurement Protocol Optional Extensions [RFC8972] to make use of STAMP in different environments, in this case Segment Routing. 

 

Have a great weekend.

 

Footer

 

 

From: ippm <[hidden email]> On Behalf Of Tommy Pauly
Sent: Friday, 7 May 2021 16:43
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

 


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Mach Chen-2

Indeed, I agree with Footer and think that the draft is ready for WG adoption.

 

Best regards,

Mach

 

From: ippm [mailto:[hidden email]] On Behalf Of Foote, Footer (Nokia - CA)
Sent: Saturday, May 8, 2021 5:45 AM
To: Tommy Pauly <tpauly=[hidden email]>; IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM!

 

As a recent co-author, I feel this work introduces some benefits that should be considered.  This draft leverages the flexibility introduced by Simple Two-Way Active Measurement Protocol Optional Extensions [RFC8972] adding specific uses cases for Segment Routing IPv6 (SRv6) and Segment Routing MPLS (SR-MPLS) networks looking to use STAMP.  The TLVs introduced by this draft allow for instruction based messaging between the STAMP session-sender and STAMP session-reflector to influence the return path, for end to end measurement, including a SR MPLS Label Stack and SRv6 Segment List.  These optional extension allow for the one-way forward and one-way backward delay measurements to represent the same collection of links and nodes between the STAMP session-sender and STAMP session-reflector in each directions.  It also introduces the ability to instruct the STAMP session-reflector to utilize the same link between directly connected IP peers.  This also allows for the STAMP session-reflector to skip the global route lookup, if that is the preferred method to determine return next-hop, to ensure the same directly connected IP link is used in both directions, and not some other link that is of each cost. 

 

I believe it important to leverage and grow the work done by Simple Two-Way Active Measurement Protocol Optional Extensions [RFC8972] to make use of STAMP in different environments, in this case Segment Routing. 

 

Have a great weekend.

 

Footer

 

 

 

From: ippm <[hidden email]> On Behalf Of Tommy Pauly
Sent: Friday, 7 May 2021 16:43
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy

 

On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

·         Welcome Richard as a co-author

·         Merge Segment List Sub-TLVs

·         Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

 


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Chengli (Cheng Li)-2
In reply to this post by Tommy Pauly

Yes, support. The document has been discussed for a long time, and major issues have been addressed, I think the content is mature and ready for WG adoption.

 

Thanks,

Cheng

 

 

From: Tommy Pauly [mailto:tpauly=[hidden email]]
Sent: Saturday, May 8, 2021 4:44 AM
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

 


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Ahmed Abdelsalam (ahabdels)
In reply to this post by Tommy Pauly

I support the WG of the draft as all major feedback have been addressed.

Thanks

Ahmed

 

 

From: ippm <[hidden email]> on behalf of Tommy Pauly <tpauly=[hidden email]>
Date: Friday, 7 May 2021 at 22:43
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

·         Welcome Richard as a co-author

·         Merge Segment List Sub-TLVs

·         Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

 


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Voyer, Daniel (520309)
In reply to this post by Tommy Pauly

Hi Tommy and WG,

 

As a co-authors, I support this work. This is an important document for telemetry and latency gathering for our network.

 

Thanks

dan

 

From: Tommy Pauly <tpauly=[hidden email]>
Date: Friday, May 7, 2021 at 4:43 PM
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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https://www.ietf.org/mailman/listinfo/ippm

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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Wangyali(Yali,Data Communication Standards and Patents Dept)
In reply to this post by Tommy Pauly

Hi Tommy and WG,

 

I support this work. It’s definitely useful that this draft proposes a method to apply STAMP to SR-MPLS and SRv6. It also solves the problem of round-trip path co-routing by using the Return Path TLV to determine the reverse path.

 

The draft has been fully discussed in WG. I think it’s ready to be adopted by WG.

 

Best,

Yali

 

From: ippm [mailto:[hidden email]] On Behalf Of Tommy Pauly
Sent: Saturday, May 8, 2021 4:43 AM
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
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https://www.ietf.org/mailman/listinfo/ippm

 


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Yadav, Bhupendra
In reply to this post by Tommy Pauly
Hi WG,

I support this draft and appriciate the work being done on it.

Thanks,
Bhupendra


On May 7, 2021, at 16:43, Tommy Pauly <[hidden email]> wrote:

Hi IPPM,

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

Best,
Tommy

On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

Hi WG,
This revision contains following updates:
  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

Welcome your review comments and suggestions.

Thanks,
Rakesh (for co-authors)


On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
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[hidden email]
https://www.ietf.org/mailman/listinfo/ippm
_______________________________________________
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[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Vengada Prasad Govindan (venggovi)
In reply to this post by Tommy Pauly

Hello IPPM WG & Chairs,

  Support progressing draft-gandhi-ippm-stamp-srpm, it provides the needed standardization to extend STAMP to SR.

 

Thanks

Prasad

 

From: Tommy Pauly <tpauly=[hidden email]>
Sent: Saturday, May 8, 2021 02:14
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

 


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Janssens, Bart
In reply to this post by Tommy Pauly

Hi IPPM WG,

 

As a key use case draft SP contributor/future usage within Colt Technology Services we’re pleased with the direction and fully support adoption of the new version to move forward in a timely fashion.

For Colt especially below add is key.

 

Best Regards,

Bart Janssens

 

 

It may be desired in SR network that the same path (same set of links and nodes) between the Session-

Sender and Session-Reflector is used for the STAMP test packets in

both directions.  This is achieved by using the STAMP [RFC8762]

extensions for SR-MPLS and SRv6 networks specified in this document

by augmenting the optional extensions defined in [RFC8972].

 

 

 

 

From: Tommy Pauly <tpauly=[hidden email]>
Sent: Friday, May 7, 2021 10:44 PM
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
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[Colt Disclaimer] This email is from an entity of the Colt group of companies. Colt Group Holdings Limited, Colt House, 20 Great Eastern Street, London, EC2A 3EH, United Kingdom, registered in England and Wales, under company number 11530966. Corporate and contact information for our entities can be found at https://www.colt.net/legal/colt-group-of-companies/. Internet communications are not secure and Colt does not accept responsibility for the accurate transmission of this message. Content of this email or its attachments is not legally or contractually binding unless expressly previously agreed in writing by Colt
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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Pablo Camarillo (pcamaril)
In reply to this post by Tommy Pauly

Hi,

 

I support this work. The latest revision looks good, and I believe is ready to be adopted.

This draft provides important simple twamp extensions for segment routing.

 

Thanks,

Pablo.

 

From: Tommy Pauly <tpauly=[hidden email]>
Sent: viernes, 7 de mayo de 2021 22:44
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at
tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

 


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Zafar Ali (zali)
In reply to this post by Tommy Pauly

Dear chairs and the WG,

 

I looked at the latest version of the draft.   

I believe it addresses all the comments received and is ready for WG adoption.

 

The draft provides a building block for segment routing (SR-MPLS and SRv6) work in Spring WG.

I support this work.

 

Thanks

 

Regards … Zafar

 

From: ippm <[hidden email]> on behalf of Tommy Pauly <tpauly=[hidden email]>
Date: Friday, May 7, 2021 at 4:43 PM
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Rakesh Gandhi (rgandhi)
In reply to this post by Tommy Pauly

Hi WG,

 

As a co-author, I support the WG adoption of this draft that builds on the foundation laid by the IPPM WG by defining Simple TWAMP RFC 8762 and its extensions RFC 8972. 
 
This will also unblock the adoption of draft-gandhi-spring-stamp-srpm-06 that uses this work for SR/SRv6 use-cases. 
 
Many thanks to the WG for providing valuable review comments. We believe the latest draft addresses those comments.
 
Thanks,
Rakesh

 

 

From: ippm <[hidden email]> on behalf of Tommy Pauly <tpauly=[hidden email]>
Date: Friday, May 7, 2021 at 4:43 PM
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Ketan Talaulikar (ketant)
In reply to this post by Tommy Pauly

Hello All,

 

Thanks to the authors for updating this document. The clean-up of terminologies and the focus on STAMP extensions simplifies the proposal even further.

 

I would also like to restate that STAMP is really a very suitable mechanism for Performance Measurement for SR Policies in a Segment Routing network. The key aspect is that there is no instantiation of a per-path state required at either the waypoint nodes nor at the tail-end node and the source routed path along with the desired PM capabilities for it are instantiated only on the SR Headend node.

 

I support this important and much required work on the STAMP extensions in this WG and the work for leveraging STAMP that is happening in the SPRING WG.

 

Thanks,

Ketan

 

From: Tommy Pauly <tpauly=[hidden email]>
Sent: 08 May 2021 02:14
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Srihari Raghavan (srihari)
In reply to this post by Tommy Pauly

Hello All,

 

As an enthusiast following SR work, I see value in extending STAMP to SR and hence progressing draft-gandhi-ippm-stamp-srpm is in the right direction.

 

Thanks

Srihari

 

From: Tommy Pauly <tpauly=[hidden email]>
Date: Saturday, 8 May 2021 at 2:13 AM
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy



On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
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[hidden email]
https://www.ietf.org/mailman/listinfo/ippm

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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

li_zhenqiang@hotmail.com
In reply to this post by Tommy Pauly
Hello Tommy and All,

I believe this work is useful, especially the way to direct the session-reflector to reflect the test packets along a specific path, which can be the reverse path from session-sender to session-reflector, or an explicit path specified in segment list sub TLV.

I wonder there are security problems redarding the return address sub tlv since this feature can be used to direct the test packets to a malicious node indicated by the return address. This feature may also be used to direct a group of session-reflectors to send their test packets to a target node indicated by the return address to enforce DDOS attack to the target. Security Considerations should take these into account.

BTW, is this an adoption call for this draft?

Best Regards,
Zhenqiang Li

 
Date: 2021-05-08 04:42
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt
Hi IPPM,

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

Best,
Tommy

On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

Hi WG,
This revision contains following updates:
  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

Welcome your review comments and suggestions.

Thanks,
Rakesh (for co-authors)


On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

gregory.mirsky
In reply to this post by Internet-Drafts Administrator
Dear Authors,


thank you for your kind consideration of our discussion and for thoughtfully addressing comments. I find the document well aligned with RFCs 8762 and 8962. I have several questions I hope you can help me understand.


As I understand it, the Return Path TLV and its sub-TLVs may direct the reflected STAMP packet to a node other than the Session-Sender of that test session. Is that correct? If it is, what is that node in STAMP? RFCs 8762 and 8962 don't define how a separate system, different from the STAMP Session-Sender acts as the receiver of the reflected STAMP test packet. I think that there are many questions related to such an arrangement that must be clarified before the proposed mechanism can be seen as technically viable.


In the draft, you've noted that STAMP does not require the control channel to instantiate a test session. I agree but would point out that that doesn't negate the need to prevent overloading the Session-Reflector with too many test packets. I couldn't find a reference to the STAMP YANG data model in the document. Do you envision that it must be used in the SR environment? If not, how a Session-Reflector is protected from the excess of test packets?


In the first paragraph of Section 3, you've described a case of encapsulation as "an MPLS Segment List with IPv4 address from 127/8 range". Could you clarify how the packet encapsulated if the source has no IPv4 but only an IPv6 address? And what you see as a benefit of selecting the destination address from the 128/8 range compared to using one particular address?


Figure 1 presents the format of Destination Node Address TLV. the Address Family, as I understand it, can be IPv4 or IPv6. As there's no mention that the TLV can include sub-TLVs, the value in the Length field can be used to identify the address family. If so, Reserved and Address Family fields seem unnecessary.


It appears that the Security Considerations section needs more details on mitigating the threat of DoS attack using the Return Path TLV and sub-TLV.


I much appreciate the work done by the authors and hope that we can discuss and address the issues listed above. In the meantime, I cannot support the adoption of the document by the IPPM WG.









Regards,


Greg Mirsky






Sr. Standardization Expert
预研标准部/有线研究院/有线产品经营部 Standard Preresearch Dept./Wireline Product R&D Institute/Wireline Product Operation Division









E: [hidden email]
www.zte.com.cn






Original Mail







From: Tommy Pauly <tpauly=[hidden email]>
 Sent: viernes, 7 de mayo de 2021 22:44
 To: IETF IPPM WG <[hidden email]>
 Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt




 


Hi IPPM,


 


This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.



 


Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.



 


Best,



Tommy



 
 


On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:



 


Hi WG,



This revision contains following updates:


Welcome Richard as a co-author

Merge Segment List Sub-TLVs

Various editorial changes


 


Welcome your review comments and suggestions.



 


Thanks,



Rakesh (for co-authors)



 




 


On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:




 A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the IP Performance Measurement WG of the IETF.
 
         Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
         Authors         : Rakesh Gandhi
                           Clarence Filsfils
                           Daniel Voyer
                           Mach(Guoyi) Chen
                           Bart Janssens
                           Richard Foote
         Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
         Pages           : 12
         Date            : 2021-04-29
 
 Abstract:
    Segment Routing (SR) leverages the source routing paradigm.  SR is
    applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
    (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
    Active Measurement Protocol (STAMP)) extensions for SR networks, for
    both SR-MPLS and SRv6 data planes by augmenting the optional
    extensions defined in RFC 8972.
 
 
 The IETF datatracker status page for this draft is:
 https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/
 
 There are also htmlized versions available at:
 https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
 https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03
 
 A diff from the previous version is available at:
 https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03
 
 
 Please note that it may take a couple of minutes from the time of submission
 until the htmlized version and diff are available at tools.ietf.org.
 
 Internet-Drafts are also available by anonymous FTP at:
 ftp://ftp.ietf.org/internet-drafts/
 
 
 _______________________________________________
 ippm mailing list
 [hidden email]
 https://www.ietf.org/mailman/listinfo/ippm



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Re: I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Rakesh Gandhi (rgandhi)

Hi Greg,

Thank you for your review comments. Please see replies inline with <RG>…

 

From: ippm <[hidden email]> on behalf of [hidden email] <[hidden email]>
Date: Thursday, May 13, 2021 at 5:06 PM
To: tpauly=[hidden email] <tpauly=[hidden email]>, [hidden email] <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

Dear Authors, 

thank you for your kind consideration of our discussion and for thoughtfully addressing comments. I find the document well aligned with RFCs 8762 and 8962. I have several questions I hope you can help me understand.

 

         As I understand it, the Return Path TLV and its sub-TLVs may direct the reflected STAMP packet to a node other than the Session-Sender of that test session. Is that correct? If it is, what is that node in STAMP? RFCs 8762 and 8962 don't define how a separate system, different from the STAMP Session-Sender acts as the receiver of the reflected STAMP test packet. I think that there are many questions related to such an arrangement that must be clarified before the proposed mechanism can be seen as technically viable.

<RG>There is no change in STAMP definition for Session-Sender and Session-Reflector. The reply test packet is transmitted back to the Session-Sender.

<RG> We are ok to add text to clarify that “the reply test packet MAY be transmitted to the Session-Sender to a different destination address on the Session-Sender node using Return Path TLV.”

         In the draft, you've noted that STAMP does not require the control channel to instantiate a test session. I agree but would point out that that doesn't negate the need to prevent overloading the Session-Reflector with too many test packets. I couldn't find a reference to the STAMP YANG data model in the document. Do you envision that it must be used in the SR environment? If not, how a Session-Reflector is protected from the excess of test packets?

<RG> There is no change in STAMP behavior.
<RG> We are ok to add reference to draft-ietf-ippm-stamp-yang.

         In the first paragraph of Section 3, you've described a case of encapsulation as "an MPLS Segment List with IPv4 address from 127/8 range". Could you clarify how the packet encapsulated if the source has no IPv4 but only an IPv6 address?

<RG> “The address can be IPv6 address, encapsulated in SRH”. We are ok to add that as an example.

         And what you see as a benefit of selecting the destination address from the 128/8 range compared to using one particular address?

<RG> “Session-Sender may select an IPv4 address from 127/8 range for testing ECMPs.”

<RG> We are ok to add this sentence.

         Figure 1 presents the format of Destination Node Address TLV. the Address Family, as I understand it, can be IPv4 or IPv6. As there's no mention that the TLV can include sub-TLVs, the value in the Length field can be used to identify the address family. If so, Reserved and Address Family fields seem unnecessary.

<RG> This format is similar to the TLV defined in RFC 6374 Section 3.5.2, with Length and Address Family.

<RG> Having, said that, we are ok to remove these two fields.

         It appears that the Security Considerations section needs more details on mitigating the threat of DoS attack using the Return Path TLV and sub-TLV.

<RG> How about following text in the Security Considerations Section?

 

   “The STAMP extensions defined in this document may be used for
   potential "proxying" attacks.  For example, a Session-Sender
   may specify a return path that has a destination different from that
   of the Session-Sender.  But normally, such attacks will not happen in an
   SR domain where the Session-Senders and Session-Reflectors belong to the same
   domain.  In order to prevent using the extension defined
   in this document for proxying any possible attacks, the return path
   has destination to the same node where the forward path
   is from.“

 

 

Thanks,

Rakesh

 

I much appreciate the work done by the authors and hope that we can discuss and address the issues listed above. In the meantime, I cannot support the adoption of the document by the IPPM WG.

 

Regards,

Greg Mirsky

 

Sr. Standardization Expert
预研标准部/有线研究院/有线产品经营部 Standard Preresearch Dept./Wireline Product R&D Institute/Wireline Product Operation Division

 


E: [hidden email]
www.zte.com.cn

Original Mail

 

From: Tommy Pauly <tpauly=[hidden email]>
Sent: viernes, 7 de mayo de 2021 22:44
To: IETF IPPM WG <[hidden email]>
Subject: Re: [ippm] I-D Action: draft-gandhi-ippm-stamp-srpm-03.txt

 

Hi IPPM,

 

This draft has been discussed and debated at length before, and the chairs would like to get input from the WG on their thoughts on this version of the document and its direction. Given the interaction with other working groups, we’d like to make progress on this in a timely fashion.

 

Please do send your thoughts and feedback to the list, particularly if you support this work, or if you have concerns new or existing.

 

Best,

Tommy




On May 3, 2021, at 9:42 AM, Rakesh Gandhi <[hidden email]> wrote:

 

Hi WG,

This revision contains following updates:

  • Welcome Richard as a co-author
  • Merge Segment List Sub-TLVs
  • Various editorial changes

 

Welcome your review comments and suggestions.

 

Thanks,

Rakesh (for co-authors)

 

 

On Thu, Apr 29, 2021 at 7:03 PM <[hidden email]> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Measurement WG of the IETF.

        Title           : Simple TWAMP (STAMP) Extensions for Segment Routing Networks
        Authors         : Rakesh Gandhi
                          Clarence Filsfils
                          Daniel Voyer
                          Mach(Guoyi) Chen
                          Bart Janssens
                          Richard Foote
        Filename        : draft-gandhi-ippm-stamp-srpm-03.txt
        Pages           : 12
        Date            : 2021-04-29

Abstract:
   Segment Routing (SR) leverages the source routing paradigm.  SR is
   applicable to both Multiprotocol Label Switching (SR-MPLS) and IPv6
   (SRv6) data planes.  This document specifies RFC 8762 (Simple Two-Way
   Active Measurement Protocol (STAMP)) extensions for SR networks, for
   both SR-MPLS and SRv6 data planes by augmenting the optional
   extensions defined in RFC 8972.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gandhi-ippm-stamp-srpm/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-gandhi-ippm-stamp-srpm-03
https://datatracker.ietf.org/doc/html/draft-gandhi-ippm-stamp-srpm-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-gandhi-ippm-stamp-srpm-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at
tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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