Chapter 13. Understanding Frame Relay Concepts

This chapter covers the following exam topics:

WAN Technologies

Identify Different WAN Technologies

Frame Relay

Frame Relay was at one time the most popular WAN technology used in computer networks. Today, Frame Relay has become less popular, being replaced by several other WAN options. These include the virtual private network (VPN) technology, as discussed back in Chapter 7, “Virtual Private Networks,” and Ethernet WANs, as introduced in the ICND1 book. In addition, many enterprises use Multiprotocol Label Switching (MPLS) VPNs, which follow the same basic service model as Frame Relay, usually offered by the same Frame Relay providers but with significant technical advantages.

Although many companies ...

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