Oracle-audio-technologies A86828-01 Manuale Utente Scaricare il pdf (Pagina 52)

HTTP/1.1

4-12 Oracle HTTP Server powered by Apache Performance Guide

Shorter Response Times

Persistent connections can improve total response time for a web interaction that

involves multiple HTTP requests, because the delay of setting up a connection only

happens once.

Consider the total time required, without persistent connections, for a client to

retrieve a web page with three images from the server.

With persistent connections, the response time for the same request is reduced:

Activity Seconds

Establish connection 1

Produce and send the text

portion of the page

5

Establish connection 1

Transfer first image file 2

Establish connection 1

Transfer second image file 2

Establish connection 1

Transfer third image file 2

Total

15

Activity Seconds

Establish connection 1

Produce and send the text

portion of the page

5

Transfer first image file 2

Transfer second image file 2

Transfer third image file 2

Total

12

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