Satellite Newsgathering, 2nd Edition

5

Twenty-first century transport: SNG over IP

5.1   Introduction

In this chapter, we are going to cover a subject that will strike a chord with everyone who uses a computer and the Internet – and it is highly doubtful if that excludes any reader. In the last few years, we have seen the emergence of a new method of transporting video and audio signals across networks through the use of Transmission Control Protocol (TCP) and Internet Protocol (IP) – together referred to as TCP/IP – and the Ethernet Networking Protocol.

In networking, a ‘protocol’ is the term for a set of rules that allows the orderly exchange of information over a network, and many of them are defined by a body called the Internet Engineering Task Force (IETF). Protocols are ...