Subject: I-D ACTION:draft-ietf-mboned-intro-multicast-03.txt

From: [email-masked]
Date: Wed, 29 Oct 1997 10:00:54 -0500

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the MBONE Deployment Working Group of the IETF.

	Title		: Introduction to IP Multicast Routing
	Author(s)	: T. Maufer, C. Semeria
	Filename	: draft-ietf-mboned-intro-multicast-03.txt
	Pages		: 60
	Date		: 28-Oct-97
	
The first part of this paper describes the benefits of multicasting,
the MBone, Class D addressing, and the operation of the Internet Group
Management Protocol (IGMP).  The second section explores a number of
different techniques that may potentially be employed by multicast
routing protocols:
 
    o  Flooding
    o  Spanning Trees
    o  Reverse Path Broadcasting (RPB)
    o  Truncated Reverse Path Broadcasting (TRPB)
    o  Reverse Path Multicasting (RPM)
    o  ''Shared-Tree'' Techniques
 
The third part contains the main body of the paper.  It describes how
the previous techniques are implemented in multicast routing protocols
available today (or under development).
 
    o  Distance Vector Multicast Routing Protocol (DVMRP)
    o  Multicast Extensions to OSPF (MOSPF)
    o  Protocol-Independent Multicast - Dense Mode (PIM-DM)
    o  Protocol-Independent Multicast - Sparse Mode (PIM-SM)
    o  Core-Based Trees (CBT)

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