Re: [Idr] Working group last call for draft-ietf-idr-tunnel-encaps-04

Eric C Rosen <erosen@juniper.net> Tue, 27 June 2017 14:55 UTC

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From: Eric C Rosen <erosen@juniper.net>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/RvrHyMqjdQ-gXJyOZLRR5cd9cUE>
Subject: Re: [Idr] Working group last call for draft-ietf-idr-tunnel-encaps-04
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On 6/23/2017 6:56 AM, bruno.decraene@orange.com wrote:
> I wouldn't said that I have reviewed the document (-06), nor the discussion, but section 3.3.1 " IPv4 DS Field" seems IPv4 specific and we probably need to also cover IPv6. Possibly, the same sub-TLV may be used.
> In addition, there is the IPv6 flow label, but I don't know whether it would be useful to specify it or not.

It's impossible for a single document to specify a sub-TLV for every 
encapsulation header field that might possibly be useful.  I tried to 
include in the document enough of a selection of sub-TLVs to indicate 
how more might be added.  If someone wants to signal a value for the 
IPv6 flow label field, it should be fairly straightforward to write a 
draft specifying a suitable sub-TLV.