53

and NASA are degraded about 76 times and 38 times, respectively. The NASA trace

file shows less degradation because it transfers more bytes per RSA authentication. The

throughput results in Figure 4.2 (b) are similar to the latency results.

800

1000

SSL

SSL

No_SSL

No_SSL

800

600

600

400

400

200

200

0

# of Completed Requests 

 per Second

0

Clarknet

NASA

Average Request Latency (ms)

Clarknet

NASA

(a) Latency

(b) Throughput

Fig. 4.2. Latency and Throughput of a Web Server with/without SSL Protocol