DHCP performance testing

[Frank Bulk - iNAME]

As has been discussed on this forum many times before (just read the
archives), performance is not often an issue for ISC's DHCP.  The limiting
factors tend to be disk write time (updating the lease file) and reading in
configs (for very large operations).  This can be somewhat mitigated by
using a flash drive rather than a traditional magnetic hard disk drive.

Regards,

Frank

-----Original Message-----
From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On Behalf
Of Puter ami
Sent: Thursday, July 12, 2007 4:27 PM
To: dhcp-users at isc.org
Subject: DHCP performance testing

Hello,

I am tasked with determining needs for various components for a very large
organization segmented to large centers. I have been trying to research how
to size and test for the DHCP implementation. None of the information I have
been finding on the web gives me meaningful numbers.

I am asking for help in an industry-standard way of talking/testing DHCP
performance. Or something that is industry-accepted. In other words, I need
a definition and a level of performance to provide to companies so that they
may answer with the type/size/number of hardware pieces (as well as
software) to accommodate my customer's needs. This is for an
Enterprise-class network.

I have heard "operations-per-second", "transactions-per-second", etc. How do
people define and measure performance? I am most interested in what server
performance is nominal for a large network (let's say ~60K nodes) for
average and peak (everybody turns on at 8 in the morning).

Any pointers/help is much appreciated!

Ralph Bischof

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