JMU
Persistent HTTP
An Introduction


Prof. David Bernstein
James Madison University

Computer Science Department
bernstdh@jmu.edu


Motivation

A Typical Application of HTTP

images/http-over-tcp.gif
A Client-Side "Fix"
Problems with this Approach
Persistence
Persistent HTTP

An HTML File with One IMG Element

images/http-persistent.gif
Persistence and Pipelining