[j-nsp] Thoughts on MX80 v MX104 RE performance

[Eduardo Schoedler]

There is a 64-bit version of junos, someone already tested?

Regards,

2015-04-23 12:49 GMT-03:00 Raphael Mazelier <raph at futomaki.net>:

>
>
> Le 23/04/15 15:13, Saku Ytti a écrit :
>
>
>> Yeah at least 10k has XEON. I don't really understand why vendors use
>> PPC, is
>> it mainly motivated by BOM or pincount/thermal or some other issues?
>>
>
> Yes on cheap boxes, ppc processor still have a good power/price ratio.
> The real problem is the performance of junos on ppc.
> It can be acceptable on cheap switch (like the EX series), but not on MX.
>
>
>  But yeah, JunOS relies on terrific single thread performance, but unsure
>> how
>> long they can get away with it.
>>
>
> Juniper is aware of this problem, and work on this. Junos 15 should have
> limited smp capabilities (afaik rpd will still not be multi-thread).
>
>  For some reason, IOS with equivalent CPU is much faster to converge.
>>
>
> Cisco have made the effort to rewrite their os (and not only once, ios15,
> ios-xr, nxos, etc...). Juniper should make the same, and rewrite junos from
> scratch in my opinion, and I think the monolithic design of rpd should be
> rethinked.
>
>
> Regards,
>
> --
> Raphael Mazelier
>
>
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-- 
Eduardo Schoedler