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Web Facts and Fantasy

presented by

Andreas Anagnostatos

CSE 291

Feb. 29, 2000

Stephen Manley,

Network Appliance

Margo Seltzer,

Harvard University

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 (?)