A new Request for Comments is now available in online RFC libraries.
RFC 5015
Title: Bidirectional Protocol Independent Multicast
(BIDIR-PIM)
Author: M. Handley, I. Kouvelas,
T. Speakman, L. Vicisano
Status: Standards Track
Date: October 2007
Mailbox: M.Handley@cs.ucl.ac.uk,
kouvelas@cisco.com,
speakman@cisco.com, lorenzo@digitalfountain.com
Pages: 43
Characters: 96431
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-pim-bidir-09.txt
URL: http://www.rfc-editor.org/rfc/rfc5015.txt
This document discusses Bidirectional PIM (BIDIR-PIM), a variant of PIM
Sparse-Mode that builds bidirectional shared trees connecting
multicast sources and receivers. Bidirectional trees are built
using a fail-safe Designated Forwarder (DF) election mechanism
operating on each link of a multicast topology. With the
assistance of the DF, multicast data is natively forwarded from
sources to the Rendezvous-Point (RP) and hence along the shared tree
to receivers without requiring source-specific state. The DF
election takes place at RP discovery time and provides the route
to the RP, thus eliminating the requirement for data-driven
protocol events. [STANDARDS TRACK]
This document is a product of the Protocol Independent Multicast
Working Group of the IETF.
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements.Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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