A New Internet-Draft is available from the on-line Internet-Drafts
directories.
This draft is a work item of the Protocol Independent Multicast Working Group of the IETF.
Title : PIM Group-to-RP Mapping
Author(s) : B. Joshi, A. Kessler, D. McWalter
Filename : draft-ietf-pim-group-rp-mapping-01.txt
Pages : 19
Date : 2009-6-25
Each PIM-SM router in a PIM Domain which supports ASM maintains
Group-to-RP mappings which are used to identify a RP for a specific
multicast group. PIM-SM has defined an algorithm to choose a RP from
the Group-to-RP mappings learned using various mechanisms. This
algorithm does not allow administrator to override a specific Group-
to-RP mapping with the static Group-to-RP mapping which an
administrator would want to use. This algorithm also does not
consider the PIM mode and the mechanism through which a Group-to-RP
mapping was learned.
The intention of this document is to suggest a standard algorithm to
deterministically choose between several group-to-rp mappings for a
specific group. This document first explains the requirements to
extend the Group-to-RP mapping algorithm and then proposes the new
algorithm.
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