ix

List of Tables

3.1 Parameters Used in Simulation . . . . . . . . . . . . . . . . . . . . . . .

29

3.2 Timing Values from Measurement . . . . . . . . . . . . . . . . . . . . .

30

3.3 Distribution Models Used in Simulation . . . . . . . . . . . . . . . . . .

31

3.4 Average Response Time of Each Request . . . . . . . . . . . . . . . . .

36

4.1 The Cost of Cryptographic Algorithms . . . . . . . . . . . . . . . . . . .

52

4.2 Timing Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

59

4.3 Normalized Utilization and Standard Deviation of ssl with session to that

of ssl with bf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

65

5.1 Statistic Characteristics of the WWW Server Traces . . . . . . . . . . .

86

5.2 Detailed Workload Analyses of the Three Traces (CSE, PSU and UCB).

The table shows the analysis of client requests, References and Bytes

Transferred (the percentages of the number of the requests and trans 

ferred bytes for each document type, respectively). Average Transferred

Bytes presents the average transferred bytes of the document types in

the three traces, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

91