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From "Clay Webster" <>
Subject RE: Working on some load balancing methods
Date Tue, 11 Jan 2005 15:24:31 GMT

Stefan Hueneburg <> wrote: 

> Maybe "least connection count" is also interesting. 
> However, on Alteon-LB i experienced some kind of weird load pumping
>  when i used "least connection" mode.

We found with our configuration, an Alteon in leastconns LB mode can 
"firehose" services if the conns are short-lived HTTP requests.  
Traffic will of course look balanced when observed at higher 
granularities.  But at the subsecond, it can be very unbalanced.

[Disclaimers on patch levels and sampling rates.]

We find them quite fine for RR paired with good health checks.


Clay Webster                                   tel:1.908.541.3724
AVP, Platform Infrastructure        
CNET, Inc. (Nasdaq:CNET)           

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