chapter  10
33 Pages

LANs

The main problem areas are the increased volume of data that needs to be delivered for multimedia and the requirements for real­ time and predictable data transfers. For many existing systems, the bandwidth offered is only just sufficient for data traffic, let alone MPEG movies. As a result, multimedia is often not implemented on LANs that could potentially support the technology. The real-time aspects are very important: who wants to watch a movie and hear the speech a second later because someone else on the network was copying a file?