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Lectures notes for 2010 - KTH

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DHCP per<strong>for</strong>mance problems<br />

Most implementations of DHCP do a duplicate address detection (DAAD) test<br />

after they have picked an address to assign.<br />

An alternative approach to speed up the DHCP process does the duplicate address<br />

detection process in the background (in advance) so that you will have a set of<br />

recently tested addresses to hand out:<br />

Jon-Olov Vatn and Gerald Q. Maguire Jr., "The effect of using co-located care-of addresses<br />

on macro handover latency", Fourteenth Nordic Tele-traffic Seminar (NTS 14), August 18 -<br />

20, 1998, Lyngby, Denmark.<br />

http://www.it.kth.se/~vatn/research/nts14-coloc.pdf<br />

The result is that a DHCP request can be answered in less than 100ms.<br />

Maguire DHCP per<strong>for</strong>mance problems 4: 38 of 74<br />

maguire@kth.se <strong>2010</strong>.03.21 Internetworking/Internetteknik

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