[c-nsp] performance difference between RSP8 and RSP16

[Hank Nussbacher]

On Wed, 30 Nov 2005, Rodney Dunn wrote:

7513 was decomissioned 2 months ago so the performance numbers are from
memory.  -Hank

> Decrease in what CPU?
>
> Process level or interrupt.
>
> If most of the traffic is being switched under interrupt
> you sholdn't be seeing a 20% CPU on the RSP.
>
> And I wouldn't think you would be seeing 20% on the CPU
> for control plane work constantly.
>
> During a reconvergence event that would make sense.
>
> On Wed, Nov 30, 2005 at 05:04:31PM +0200, Hank Nussbacher wrote:
> > On Wed, 30 Nov 2005, Rodney Dunn wrote:
> >
> > When we went from RSP8 to RSP16 we saw about a 20% decrease in CPU and we
> > used distributed features heavily.  -Hank
> >
> > > On Tue, Nov 29, 2005 at 04:35:12PM -0800, Yinglam Cheung wrote:
> > > > Does anyone have any info about performance difference between RSP8 and RSP16?
> > >
> > > The main increase is memory. The CPU is faster but we recommend
> > > distributed switching for features so the CPU isn't that relevant
> > > in the packet switching path.
> > >
> > > > Any reason why 12.4T is NOT developed for 7500?
> > >
> > > Yes. The features that those trains are now targeting are not
> > > in the distributed path and this box will no live forever.
> > > The only reason it picked up features in those trains was just
> > > because they were thought to be platform independent which isn't
> > > always the case.
> > >
> > > Real feature development on that platform has bascially stopped.
> > >
> > > What you have now on existing features is about all you will
> > > ever get for that platform.
> > >
> > > Rodney
> > >
> > > >
> > > >
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