Chapter 2. Voice and Video Communication Over Packet Networks
TCP/IP and the OSI Reference Model
Performance Characteristics of an IP Network
Measuring IP Network Performance
Effects of Transport Protocols
Requirements for Audio/Video Transport in Packet Networks
Before delving into details of RTP, you should understand the properties of IP networks such as the Internet, and how they affect voice and video communication. This chapter reviews the basics of the Internet architecture and outlines typical behavior of a network connection. This review is followed by a discussion of the transport requirements for audio and video, and how well these requirements are met by the network.
IP networks have unique characteristics that influence the design of applications ...