[140917] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: New vyatta-nsp list

daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Wed May 25 02:10:32 2011

Date: Wed, 25 May 2011 08:10:23 +0200 (CEST)
To: if@xip.at
From: sthaug@nethelp.no
In-Reply-To: <alpine.LRH.2.00.1105250020290.14701@filebunker.xip.at>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

<nitpicking>

> 1gige linerate:		1,9mpps
> 10gige linerate:	19mpps
> 
> and intel is proud to achieve 1,6mpps at 2 10gige cards?
> I have seen higher values at pc hardware - but still not compareable to 
> asics.

If you're going to specify line rate pps, please get the figures right.
Line rate on GigE with minimum packet size (84 bytes including Ethernet
headers, FCS, 8 byte preamble and 12 byte IFG) is:

1,000,000,000 / (84 * 8) = 1.488 Mpps

</nitpicking>

Steinar Haug, Nethelp consulting, sthaug@nethelp.no


home help back first fref pref prev next nref lref last post