Frame Relay Packet-Switched Data Networks

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• Software upgrade to X.25 switches

• Uses PVCs

• Unreliable, so much faster on same switches

• Good speed range: 56 kbps - 40 Mbps: Meets most corporate needs (most under 2 Mbps)

• Grew rapidly in the 90s, to equal leased line WANs in terms of market share (about 40%)

See more here.

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