4 Network Overviews
People [are not] abandoning television or going to the Internet or doing other things and taking away from television viewing activity. The pervasiveness of the medium is not being eroded.
—David Poltrack, Executive Vice President,Research and Planning, CBS Television
IPTV and Internet Video systems can be very complex puzzles to put together. As any jigsaw enthusiast will say, it is hard to understand how each individual piece of technology fits into an integrated whole unless there is a way to look at the overall picture. In this chapter, we hope to provide this big picture view.
A wide variety of network architectures have been successfully used to deliver IPTV and Internet Video services. Describing all those variations ...