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Preliminary Connection Analysis. ALN Project http://www.isi.edu/aln. Setup - Server Mode. Internet. www.postel.org. A live webserver instrumented with Web100 Relatively small sample; Results indicative 21K Connections collected over few days
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Preliminary Connection Analysis ALN Project http://www.isi.edu/aln
Setup - Server Mode Internet www.postel.org • A live webserver instrumented with Web100 • Relatively small sample; Results indicative • 21K Connections collected over few days • Ignored all connections except those to or from port 80 • Existing unmodified site being served.
Most connections are short and have small MaxCwnd • Small number of connections have large Cwnds
Most connections are short (mice) • Most traffic is carried by the long connections (elephants)
Connections Not Too Short Or Too Long
Most connections < 400 ms RTT • Grouping of RTTs about 10ms (LAN), 80ms
Setup - Client Mode Internet Proxy Clients • Apache webserver configured as proxy • Instrumented with Web100 • Relatively larger sample • 150K Connections • Ignored all connections except those to or from port 80