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[mpls] comment on draft-ietf-mpls-residence-time

Lou Berger <lberger@labn.net> Sun, 31 January 2016 14:37 UTC

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To: draft-ietf-mpls-residence-time@ietf.org, mpls@ietf.org
From: Lou Berger <lberger@labn.net>
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Date: Sun, 31 Jan 2016 09:37:34 -0500
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Subject: [mpls] comment on draft-ietf-mpls-residence-time
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Hi,
	I see you propose defining a new RSVP object class that has application
specific scope.  As I'm sure you know the RSVP class-number space is
really small so it's best to avoid allocating new object classes
whenever possible.  I believe there is an existing object class that you
can use for your purposes -- the LSP_ATTRIBUTES object.

Have you considered carrying RTM Hops in 1 (or three,  depending on if
you want sub-tlvs or not) new RTM Attribute TLV (or TLVs)?

If not, I think it is worth exploring the viability of this approach or
any other approach that doesn't require the allocation of a new class-num.

Lou
(As contributor and TEAS co-chair)

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