Covers large geographical areas
Circuits provided by a common carrier
Consists of interconnected switching nodes
Traditional WANs provide modest capacity
64000 bps common
Business subscribers using T-1 service – 1.544
Mbps common
Higher-speed WANs use optical fiber and transmission technique known as asynchronous transfer mode (ATM)
10s and 100s of Mbps common
Showing posts with label optical. Show all posts
Showing posts with label optical. Show all posts
Tuesday, December 30, 2008
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