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Re: END SID Without SRH

"Darren Dukes (ddukes)" <ddukes@cisco.com> Wed, 12 June 2019 21:52 UTC

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From: "Darren Dukes (ddukes)" <ddukes@cisco.com>
To: 6man WG <ipv6@ietf.org>
CC: Ole Troan <otroan@employees.org>, Mark Smith <markzzzsmith@gmail.com>, Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org>
Subject: Re: END SID Without SRH
Thread-Topic: END SID Without SRH
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Date: Wed, 12 Jun 2019 21:52:29 +0000
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Hello everyone.

This document defines an SRH and a SID, and how that SID is processed.

I expect anyone "surprised" by this fact should have read this draft at some point:
a - within the past 2 years; since this document has defined a SID and its processing.
b - within the past 13 months; since section 4.3.1 specifically described discarding the packet based on upper layer header being processed.
c - within the past 8 months; since the current version of 4.3.1.2 was updated with the new ICMP error code, published, and the WG was notified via email.

And recall section 3.1 defines a Source SR node as 
   "any node that originates an IPv6 packet with a
   segment (i.e.  SRv6 SID) in the destination address of the IPv6
   header.  The packet leaving the source SR Node may or may not contain
   an SRH."

In other words, there is no surprise.

Darren.

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