Graphics and video communications over an Integrated Services network

There is currently much interest in Integrated Services Systems which handle within one network or architecture a mixture of data, graphics, video and voice, although most of the work to date has concentrated on the voice and data services. This thesis is concerned with the provision of graphics and video services alongside the voice and data services over a Wide Area Network (WAN). The network concerned in this thesis is the Unison network, which comprises several Local Area Networks (LANs) interconnected by a primary rate (2 Mb/s) Integrated Service Digital Link. [Continues.]