SERVICES

Protocol

Pro

Con

Features

X

Designed for hypertext documents  short response time  request-response 

RTSP

X

Direct control over bit stream  small pieces, specific order  flexibility used with UDP, TCP, and/or IP

TCP

X

Overhead high  headers  sequencing, check-sum  ack-nak requirements etc. needs more bandwidth

UDP

X

No-frills, connectionless  no waiting for packets  low overhead  reduced bandwidth

RTCP (Real-time Transport Protocol

X

Transfer in real-time  breaks file into small pieces sent to specific location in specific order  basis for RTSP