[c-nsp] SIP 601 trhoughput

[Mikael Abrahamsson]

On Mon, 5 Nov 2012, john travolta wrote:

> Let us say that one 10 GE is connected to your ISP and the other 10 GE 
> is connected to your back bone, GSR 12406 has a distributed forwarding 
> architecture, so technically forwarding traffic between the two 10 GEs 
> should not pass through the backplane, that is why I expect to have a 10 
> Gbps throuput between outside and inside, but not sure :)

The lookups are done on the linecards (this is what is distributed), but 
the packet still has to traverse the fabric as far as I remember. There is 
no connection on the linecard to shortcut the fabric for intra-linecard 
forwarding.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se