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List:       quagga-dev
Subject:    [quagga-dev 4484] Re: Multipath with OSPF
From:       Len Sorensen <lennartsorensen () ruggedcom ! com>
Date:       2006-11-17 15:39:46
Message-ID: 20061117153946.GK21857 () debdev1 ! ruggedcom ! com
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On Fri, Nov 17, 2006 at 01:36:37PM +0200, Stefanos Harhalakis wrote:
> Just to add a note to this thread:
> 
>   Per packet load balancing is not a good thing(tm) most of the times. Adding 
> variable latency and out of order delivery of packets to TCP connections will 
> most probably reduce your overall throughput and increase bandwidth usage. 
> Apart from this, this should work by forcing the OS to stop using its route 
> cache if any and in that case will it lead to greater CPU usage.

That is certainly true.  I have had customers ask 'Why doesn't it use
both connections?  My cisco does.'.  Sometimes I start getting fed up
explaining to people that what their cisco does is a bad thing.

--
Len Sorensen
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