[c-nsp] ISP / MPLS "POP" design

Mark Tinka mark.tinka at seacom.mu
Wed Nov 6 05:48:23 EST 2013


On Wednesday, November 06, 2013 08:01:01 AM Oliver Boehmer 
(oboehmer) wrote:

> I didn't want to chime into the usual OSPF vs ISIS
> debate, but the first statement is not (or at least has
> been for a while no longer) true.

I tend to agree.

Lots of knobs have made it into OSPF and IS-IS, and coupled 
with much greater compute power in routers today (all sane 
vendors are now shipping x86-based router brains), I don't 
see this as an argument anymore (unless your backbone is 
made up solely of Cisco 2500 series routers).

This will even be less of an issue as routers continue to 
get virtualized on general-purpose server hardware, e.g., 
XRv, CSR1000v, NX-OSv, IOSv, e.t.c. The amount and power of 
CPU and memory in servers far outweighs what regular routers 
and switches can do, and this definitely blows that argument 
out the water.

Mark.
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