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Metropolitan-area networks

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2 Author(s)
Morreale, P.A. ; Illinois Inst. of Technol., Chicago, IL, USA ; Campbell, G.M.

Metropolitan-area networks (MAN), which fill the gap between local area networks (LANs) and wide-area networks (WANs), are discussed. MANs were originally oriented toward data, but now often carry voice and video traffic as well. Supplying more bandwidth than LANs, they support two-way communication over a shared medium such as an optical-fiber cable, and may offer point-to-point high-speed circuits or packet-switched communication. The two most favored topologies, double-star and double-ring, are described and emerging MAN protocols are examined.<>

Published in:

Spectrum, IEEE  (Volume:27 ,  Issue: 5 )