On 05/25/2010 12:53 AM, Sampathkumar, Kishore wrote:
Hi,
Does corosync support, or are there plans to support, the following:
(a) Source-Specific Multicast for IP, as specified in rfc4607
(b) Administratively Scoped IP Multicast, as specified in rfc2365
The group multicast addresses used today in corosync will reach all
nodes in the network. This may be undesirable, both in terms
of performance and security, as well as for purposes of administering
a data center.
Kishore,
I am not sure about how to register those types of multicast sockets in
the kernel. If you provide some examples we can look into it.
As for the second point, typically a user would use the 239.x.x.x
multicast group and turn on IGMP snooping on their switch hardware.
This would replicate the multicast packets to only those nodes that were
registered to the IGMP group.
Regards
-steve
Thanks,
- Kishore
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