What he said…

From: mpls [mailto:mpls-boun...@ietf.org] On Behalf Of Andrew G. Malis
Sent: Friday, August 11, 2017 3:22 PM
To: Adrian Farrel <adr...@olddog.co.uk>
Cc: m...@ietf.org; spring@ietf.org
Subject: Re: [mpls] FW: New Version Notification for 


I think this is a straightforward draft that provides valuable functionality, 
especially SR within an IP (v4 or v6) network as discussed in section 6.2. I 
certainly support it going forward. I don’t personally have a strong opinion 
whether MPLS or SPRING is the proper place to pursue the work, as long as it is 
pursued. I’m happy to let the WG chairs and ADs figure that out.


On Fri, Aug 11, 2017 at 2:53 PM, Adrian Farrel 
<adr...@olddog.co.uk<mailto:adr...@olddog.co.uk>> wrote:

The presentation of this draft in Prague seemed to be well received and we got
some comments that we have stated to act on in this revision.

One, non-technical request was to share the work with the SPRING working group,
and I have just done that.

At the meeting I noted that...
> The authors think this is in charter for MPLS
> But polish and discussion is needed before we ask for adoption

As this polish continues, I'd like to ask the list what they think of this work.
Is it going in the right direction? Is it work that you support?


> ________________________________________
> From: internet-dra...@ietf.org<mailto:internet-dra...@ietf.org>
> Sent: 11 August 2017 19:39:59 (UTC+00:00) Dublin, Edinburgh, Lisbon, London
> To: Stewart Bryant; John E Drake; Adrian Farrel
> Subject: New Version Notification for draft-bryant-mpls-unified-ip-sr-01.txt
> A new version of I-D, draft-bryant-mpls-unified-ip-sr-01.txt
> has been successfully submitted by Adrian Farrel and posted to the
> IETF repository.
> Name:           draft-bryant-mpls-unified-ip-sr
> Revision:       01
> Title:          A Unified Approach to IP Segment Routing
> Document date:  2017-08-11
> Group:          Individual Submission
> Pages:          16
> URL:
> 01.txt
> Status:
> Htmlized:       https://tools.ietf.org/html/draft-bryant-mpls-unified-ip-sr-01
> Htmlized:
> sr-01
> Diff:
> Abstract:
>    Segment routing is a source routed forwarding method that allows
>    packets to be steered through a network on paths other than the
>    shortest path derived from the routing protocol.  The approach uses
>    information encoded in the packet header to partially or completely
>    specify the route the packet takes through the network, and does not
>    make use of a signaling protocol to pre-install paths in the network.
>    Two different encapsulations have been defined to enable segment
>    routing in an MPLS network and in an IPv6 network.  While
>    acknowledging that there is a strong need to support segment routing
>    in both environments, this document defines a converged, unified
>    approach to segment routing that enables a single mechanism to be
>    applied in both types of network.  The resulting approach is also
>    applicable to IPv4 networks without the need for any changes to the
>    IPv4 specification.
>    This document makes no changes to the segment routing architecture
>    and builds on existing protocol mechanisms such as the encapsulation
>    of MPLS within UDP defined in RFC 7510.
>    No new procedures are introduced, but existing mechanisms are
>    combined to achieve the desired result.
> 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<http://tools.ietf.org>.
> The IETF Secretariat

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