HyperText Transfer Protocol HTTP EE450 Computer Networks Variations of HTTP Nonpersistent connections with serial connections with parallel connections Persistent connections without pipelining with pipelining Example an HTML page with 2 objects images Nonpersistent HTTP 1 0 default Rough calculation for number of RTTS Client Server Web Page Can we reduce the number of RTTS Image 1 Image 2 Delay due to connection request handshake Time delay in RTTs 6 Delay Due to HTML Page Request Delay Due to Object Request Nonpersistent with parallel connections Rough calculation Client Server Web page Image1 Image2 Time delay in RTTs 4 Delay due to connection request handshake Delay due to HTML page request Delay due to object request Persistent without pipelining Rough calculation Client Server Web page Image1 Image2 Time delay in RTTs 4 Delay due to connection request handshake Delay due to HTML page request Delay due to object request Persistent with pipelining Rough calculation Client Server Web page 10 Image1 Image2 Time delay in RTTs 3 Delay due to connection request handshake Delay due to HTML page request Delay due to object request
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