[pim] Simple join failure notification for PIM-SM multicast routing

[hoerdt at clarinet.u-strasbg.fr]

Hello,

A new internet-draft is available in the ietf repository :

http://www.ietf.org/internet-drafts/draft-hoerdt-pim-group-unreachable-00.txt

Title :
"Simple join failure notification for PIM-SM multicast routing"
 
Abstract:

"Currently, PIM-SM is the most widely deployed multicast routing
protocol in the Internet. However in IPv6 this multicast protocol
lacks a simple connectivity debugging tool, making it difficult to
identify multicast routing problems.  When a host wants to receive a
multicast group or channel, if the corresponding  PIM-Join message
cannot be propagated in the network, nothing exists to inform the
receiver or the network about this failure. We propose a simple error
notification message based on ICMP/ICMP6 which is able to indicate
where and why the error happened in the network without using a
multicast traceroute mechanism."

We would like to present this work in the PIM working group at the
66th IETF/Montreal PIM. Before that, we would like to get comments and
engage discussion with the PIM and MBONED working groups in the
mailing lists.

thanks,

Hoerdt Mickael

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