Abstract
Frame relay has an important role to play in providing elastic bandwidth communication in support of distributed applications, and modern client/server LAN-to-LAN systems in particular. It also forms an important step in the direction to full multimedia ATM networking. The bandwidth requirements for emerging data applications such as client/server based transaction processing, image and graphics transmission as well as distributed database systems are very different from those used in earlier applications. These modern applications all process large volumes of data, transmit intermittent high speed bursts and are intolerant of long delays. To satisfy the requirements of these applications, the bandwidth management system in LAN-to-WAN and LAN-to-LAN networking must offer access to high bandwidth on demand, direct connectivity to all other points in the network and consumption only of bandwidth actually needed. This tutorial discusses a range of background, technical, design and operational issues by examining (i) what is frame relay?, (ii) frame relay's protocols and architecture, and (iii) congestion control, operation and performance of frame relay networks.
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