Date: Sun, 6 Sep 1998 05:44:56 -0700 (PDT) From: "Jonathan M. Bresler" <jmb> To: freebsd-isp Subject: Evaluating network devices Message-ID: <199809061244.FAA13248@hub.freebsd.org>
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how do you evaluate network devices, specifically, load balancers and proxy servers? the unit that i am looking at is the nokia ip440 (runs firewall-1 on top of FreeBSD ;). it has a matrox shark 4 port 10/100BaseT pci nic. i am thinking about using netperf in TCP_STREAM, TCP_CC, TCP_CRR and TCP_RR modes to characterize a link between two machines using a crossover cable. then repeating the test with the ip440 in between the two machines. TCP_STREAM to measure how fast teh ip440 can pass data. TCP_CC to measure connection setup and teardown TCP_RR to measure request/response over a single connection TCP_CRR to measure request/response using a new connection each time. another tool that looks interesting is DBS http://shika.aist-nara.ac.jp/member/yukio-m/dbs/index.html looks like it can be used to coordinate activities of a number of comptuers involved in a single test. one piece that i will need is a machine that can saturate a 100BaseT. anyone have any suggestions? my linksys 10/100BaseT (if_ed.c) card aint gonna do it :) jmb To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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