[pim] I-D Action: draft-ietf-pim-null-register-packing-09.txt

internet-drafts@ietf.org Thu, 13 May 2021 18:30 UTC

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Subject: [pim] I-D Action: draft-ietf-pim-null-register-packing-09.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Protocols for IP Multicast WG of the IETF.

        Title           : PIM Null-Register packing
        Authors         : Vikas Ramesh Kamath
                          Ramakrishnan Chokkanathapuram Sundaram
                          Raunak Banthia
                          Ananya Gopal
	Filename        : draft-ietf-pim-null-register-packing-09.txt
	Pages           : 9
	Date            : 2021-05-13

   In PIM-SM networks PIM Null-Register messages are sent by the
   Designated Router (DR) to the Rendezvous Point (RP) to signal the
   presence of Multicast sources in the network.  There are periodic PIM
   Null-Registers sent from the DR to the RP to keep the state alive at
   the RP as long as the source is active.  The PIM Null-Register
   message carries information about a single Multicast source and

   This document defines a standard to send multiple multicast source
   and group information in a single PIM Null-Register message, in a
   packed format.  We will refer to this packed format as the PIM Packed
   Null-Register format throughout the document.  This document also
   discusses the interoperability between the PIM routers which do not
   understand the packed message format with multiple multicast source
   and group details.

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