The IP Over NBMA (ION) Archive

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 A Revised Internet-Draft is available from the on-line Internet-Drafts 
 directories. This draft is a work item of the Internetworking Over NBMA 
 Working Group of the IETF.                                                

       Title     : Multicast Server Architectures for MARS-based ATM 
                   multicasting.                                           
       Author(s) : R. Talpade, M. Ammar
       Filename  : draft-ietf-ion-marsmcs-01.txt, .ps
       Pages     : 19
       Date      : 11/18/1996

A mechanism to support the multicast needs of layer 3 protocols in general,
and IP in particular, over UNI 3.0/3.1 based ATM networks has been 
described in RFC 2022.  Two basic approaches exist for the intra-subnet 
(intra-cluster) multicasting of IP packets.  One makes use of a mesh of 
point to multipoint VCs (the 'VC Mesh' approach), while the other uses a 
shared point to multipoint tree rooted on a Multicast Server (MCS). This 
memo provides details on the design and implementation of an MCS, building 
on the core mechanisms defined in RFC 2022.  It also provides a mechanism 
for using multiple MCSs per group for providing fault tolerance.  This 
approach can be used with RFC 2022 based MARS server and clients, without 
needing any change in their functionality.                                 

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