Web Facts and Fantasy Stephen Manley, Network Appliance Margo Seltzer, Harvard University presented by Andreas Anagnostatos CSE 291 Feb.

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Web Facts and Fantasy
Stephen Manley,
Network Appliance
Margo Seltzer,
Harvard University
presented by
Andreas Anagnostatos
CSE 291
Feb. 29, 2000
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Server logs
Site growth and traffic
Site Characteristics

Traditional Business

Peaks indicate periods where the
site was overhauled

Government Agency

Users visit more pages on the site

Adult Site

Search engine ranking
determines traffic
Effects of CGI
Persistent Connections
Limiting the number of
open connections

Time-out and maximum number
of connections must be well
balanced




How many persistent
connections must be allowed
per client?
One connection = better
network utilization
ISPs charge for connections
Latency?
Client Latency
Discussion...

Site growth correlates with one of six quantities
Number of users
 Number of documents on site
 Number of documents per user
 Fees to access site
 Search engine ranking
 Web masters efforts
CGI is NOT becoming increasingly important (?)
Loaded server are NOT the main cause of latency (?)
Persistent connections improve performance (?)
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