[rbridge] Ingress Rbridge address and BCN

[Wadekar, Manoj K]

Hi,

 

New to TRILL mailing list. And hence catching up with lots of
discussions about need for Ingress Rbridge address (and FTAG).

 

I believe Datacenters are beginning to have large number of nodes in L2
network (scale-out clusters) and hence TRILL makes an attractive
technology. At the same time fundamental enhancements in 802.1 bridges
are also required to ensure "no-drop" behavior in this large Ethernet
network in Data Centers. So, Backward Congestion Notification (802.1au)
and TRILL solutions need to work together.

 

So, I think carrying Ingress Rbridge address in each packet is important
for BCN. 

 

This will be used to generate the congestion notification to the
appropriate ingress node.

 

Thanks,

- Manoj

 

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