[mpls] Protocol Action: 'LDP Extensions for Hub & Spoke Multipoint Label Switched Path' to Proposed Standard (draft-ietf-mpls-mldp-hsmp-06.txt)
The IESG <iesg-secretary@ietf.org> Thu, 02 January 2014 17:31 UTC
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Date: Thu, 02 Jan 2014 09:31:23 -0800
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Subject: [mpls] Protocol Action: 'LDP Extensions for Hub & Spoke Multipoint Label Switched Path' to Proposed Standard (draft-ietf-mpls-mldp-hsmp-06.txt)
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The IESG has approved the following document: - 'LDP Extensions for Hub & Spoke Multipoint Label Switched Path' (draft-ietf-mpls-mldp-hsmp-06.txt) as Proposed Standard This document is the product of the Multiprotocol Label Switching Working Group. The IESG contact persons are Adrian Farrel and Stewart Bryant. A URL of this Internet Draft is: http://datatracker.ietf.org/doc/draft-ietf-mpls-mldp-hsmp/ Technical Summary This draft introduces a hub & spoke multipoint (HSMP) Label Switched Path (LSP), which allows traffic both from root to leaf through point-to-multipoint (P2MP) LSP and also leaf to root along the reverse path. That means traffic entering the HSMP LSP from application/customer at the root node travels downstream to each leaf node, exactly as if it is travelling downstream along a P2MP LSP to each leaf node. Upstream traffic entering the HSMP LSP at any leaf node travels upstream along the tree to the root, as if it is unicast to the root. The communication among the leaf nodes are not allowed. Working Group Summary There were nothing remarkable in the WG process, All decision were taken after converged discussions. Document Quality The working group chairs has sent an implementation poll to the working group mailing list. For the time being we are aware of implementations and intentions to implement. The document has been reviewed in the normal WG process including review from the MPLS Review Team and from the AD. All comments have been fairly easily resolved. Personnel Shepherd: Loa Andersson Responsible AD: Adrian Farrel