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Chapter 5. WAN Protocols and Technologies: Frame RelayFrame Relay has become "king of the WAN" over the past five to seven years . Many private networks have gone through lengthy migration processes, moving from point-to-point serial links to Frame Relay “based networks. As popular as Frame Relay is, its popularity is starting to wane. Frame Relay circuits eventually might be replaced by lower-cost, higher-speed circuits, such as DSL or cable modems. If a home user can get T3 speed access to Internet service providers (ISP), it is only a matter of time before DSL or some other technology using existing copper replaces the lower-bandwidth Frame Relay service. But it will be years for a new protocol to take the title away from the "king." This chapter covers Frame Relay terminology and provides a technical overview of Frame Relay and LMI operation. In addition, this chapter examines basic and advanced Frame Relay configuration, including Frame Relay traffic shaping. |
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