I-D ACTION:draft-ietf-tuba-host-clnp-multicas-01.txt

Internet-Drafts@CNRI.Reston.VA.US Fri, 20 May 1994 15:38 UTC

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Subject: I-D ACTION:draft-ietf-tuba-host-clnp-multicas-01.txt
Date: Fri, 20 May 1994 11:35:41 -0400
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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 TCP/UDP Over CLNP-Addressed 
Networks Working Group of the IETF.                                        

       Title     : Host Group Extensions for CLNP Multicasting             
       Author(s) : D. Marlow
       Filename  : draft-ietf-tuba-host-clnp-multicas-01.txt
       Pages     : 42
       Date      : 05/19/1994

This draft provides a specification for multicast extensions to the CLNP 
protocol similar to those provided to IP by RFC1112.  These extensions are 
intended to provide the mechanisms needed by a host for multicasting in a 
CLNP based Internet.  This draft covers addressing extensions to the CLNP 
addressing structure, extensions to the CLNP protocol and extensions to the
ES-IS protocol.  An appendix discusses the differences between IP multicast
and the CLNP multicast approach provided in this draft.          

The multicast extensions to the CLNP addressing structure defines group
Network addresses which identify host groups.  The multicast extensions to 
CLNP provides a means for identifying a CLNP packet and provides scope 
control mechanisms for CLNP multicast packets. The multicast extensions to 
the ES-IS protocol provide the mechanisms needed for a host to exchange 
control information with multicast capable routers.  These extensions to 
the ES-IS protocol provide for a host to "announce" which multicast packets 
are of interest and for a multicast capable router to dynamically "map" 
group Network addresses to subnetwork addresses.                                 

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