[c-nsp] 7204 performance

[Rey Martin]

> ted klugman [tedklugman at yahoo.com] wrote:
>>
>> An engineer suggested that the root of the problem is
>> that our 7204 routers (with NPE-400) is adding a large
>> amount of latency (on the order of 30-50ms), and that
>> the solution is to move our ATM connections to our
>> core networks with FlexWAN modules in our Cat6500's
>
> That's absurd.  There's no way that an NPE-400 box is going to add any
> significant amount of latency with such a small a connection off of a 
> PA-A3
> (or even A6 or whatever), unless the box is being constantly hammered 
> through
> other higher speed ports.
>
> I've used NPEs and VIPs with PA-A3 cards for at least 4 years now and the
> results have always been excellent.  Even the CX bus AIP adapter running
> with an old RSP2 (test box :) handles 20Mb loads gracefully.
>

Agree with this, 2M is 'nothing' for NPE-400.

btw since we are talking about 'high' latency,
perhaps you could give some number? just curious..


rey