<Ul> <Li> Lower CPU and memory usage (because fewer connections are open simultaneously). </Li> <Li> Enables HTTP pipelining of requests and responses . </Li> <Li> Reduced network congestion (fewer TCP connections). </Li> <Li> Reduced latency in subsequent requests (no handshaking). </Li> <Li> Errors can be reported without the penalty of closing the TCP connection . </Li> </Ul> <Li> Lower CPU and memory usage (because fewer connections are open simultaneously). </Li> <Li> Enables HTTP pipelining of requests and responses . </Li> <Li> Reduced network congestion (fewer TCP connections). </Li>

Differentiate between persistent and non persistent connection in http