[rfc-dist] RFC 4601 on Protocol Independent Multicast - Sparse Mode (PIM-SM): Protocol Specification (Revised)

rfc-editor@rfc-editor.org rfc-editor at rfc-editor.org
Thu Aug 31 15:51:35 PDT 2006

A new Request for Comments is now available in online RFC libraries.

        RFC 4601

        Title:      Protocol Independent Multicast - Sparse 
                    Mode (PIM-SM): Protocol Specification (Revised) 
        Author:     B. Fenner, M. Handley,
                    H. Holbrook, I. Kouvelas
        Status:     Standards Track
        Date:       August 2006
        Mailbox:    fenner at research.att.com, 
                    M.Handley at cs.ucl.ac.uk, 
                    holbrook at arastra.com,  kouvelas at cisco.com
        Pages:      150
        Characters: 340632
        Obsoletes:  RFC2362

        I-D Tag:    draft-ietf-pim-sm-v2-new-12.txt

        URL:        http://www.rfc-editor.org/rfc/rfc4601.txt

This document specifies Protocol Independent Multicast -
Sparse Mode (PIM-SM).  PIM-SM is a multicast routing protocol
that can use the underlying unicast routing information base
or a separate multicast-capable routing information base.  It
builds unidirectional shared trees rooted at a Rendezvous
Point (RP) per group, and optionally creates shortest-path
trees per source.

This document obsoletes RFC 2362, an Experimental version of

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 

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