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[CCAMP] Comments about draft-beeram-ccamp-network-assigned-upstream-label-00

"Zafar Ali (zali)" <zali@cisco.com> Sun, 03 November 2013 16:12 UTC

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From: "Zafar Ali (zali)" <zali@cisco.com>
To: "IBryskin@advaoptical.com" <IBryskin@advaoptical.com>
Thread-Topic: Comments about draft-beeram-ccamp-network-assigned-upstream-label-00
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Date: Sun, 03 Nov 2013 16:11:41 +0000
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Subject: [CCAMP] Comments about draft-beeram-ccamp-network-assigned-upstream-label-00
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Hi Igor and co-authors-

Please note that [RFC3473] already considers the case where upstream label may not be acceptable to a downstream node. Specifically, [RFC3473] states that:
"when a Path message containing an Upstream_Label object is received, the receiver first verifies that the upstream label is acceptable. If the label is not acceptable, the receiver MUST issue a PathErr message with a "Routing problem/Unacceptable label value" indication. The generated PathErr message MAY include an Acceptable Label Set Object".
Acceptable_Label_Set objects may be carried in PathErr and ResvErr messages [RFC3473].

However, your draft does not mention or cover this already defined method.

Thanks

Regards … Zafar

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