Re: Last Call: <draft-ietf-mpls-entropy-lsp-ping-04.txt> (Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Network using Entropy Labels (EL)) to Proposed Standard

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Hi,

One outstanding issue with this document is revisiting and getting to a deliberate position on which RFCs (if any) this document “Updates” (if approved). Currently:

Updates: 4379, 6424, 6790 (if approved)

The authors, shepherd, chairs, and responsible AD have discussed this (i.e., which document(s) are actually “Updated" by draft-ietf-mpls-entropy-lsp-ping-04). We agree that only RFC 6970 is actually “Updated" by this I-D. The relationship between RFC 4379, RFC 6424 and draft-ietf-mpls-entropy-lsp-ping is that the the I-D extends functionality from those “base” RFCs, without updating text or changing meaning from either.

Thanks,

— Carlos.

On Aug 12, 2016, at 11:35 AM, The IESG <iesg-secretary@xxxxxxxx> wrote:


The IESG has received a request from the Multiprotocol Label Switching WG
(mpls) to consider the following document:
- 'Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS
  Network using Entropy Labels (EL)'
 <draft-ietf-mpls-entropy-lsp-ping-04.txt> as Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action. Please send substantive comments to the
ietf@xxxxxxxx mailing lists by 2016-08-26. Exceptionally, comments may be
sent to iesg@xxxxxxxx instead. In either case, please retain the
beginning of the Subject line to allow automated sorting.

Abstract


  Multiprotocol Label Switching (MPLS) Label Switched Path (LSP) Ping
  and Traceroute are methods used to test Equal-Cost Multipath (ECMP)
  paths.  Ping is known as a connectivity verification method and
  Traceroute as a fault isolation method, as described in RFC 4379.
  When an LSP is signaled using the Entropy Label (EL) described in RFC
  6790, the ability for LSP Ping and Traceroute operations to discover
  and exercise ECMP paths is lost for scenarios where LSRs apply
  different load balancing techniques.  One such scenario is when some
  LSRs apply EL-based load balancing while other LSRs apply non-EL
  based load balancing (e.g., IP).  Another scenario is when an EL-
  based LSP is stitched with another LSP which can be EL-based or non-
  EL based.

  This document extends the MPLS LSP Ping and Traceroute multipath
  mechanisms in RFC 6424 to allow the ability of exercising LSPs which
  make use of the EL.  This document updates RFC 4379, RFC 6424, and
  RFC 6790.





The file can be obtained via
https://datatracker.ietf.org/doc/draft-ietf-mpls-entropy-lsp-ping/

IESG discussion can be tracked via
https://datatracker.ietf.org/doc/draft-ietf-mpls-entropy-lsp-ping/ballot/

The following IPR Declarations may be related to this I-D:

  https://datatracker.ietf.org/ipr/2802/
  https://datatracker.ietf.org/ipr/2305/
  https://datatracker.ietf.org/ipr/2546/
  https://datatracker.ietf.org/ipr/2221/







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