Switched Multi-megabit Data Service

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This is an old revision of this page, as edited by The Anome (talk | contribs) at 12:08, 13 December 2004 (Increases in raw data rates removed the need for fragmentation into cells, and SMDS' niche market position ensured that it remained a high-priced service. As a result, SMDS has been supplanted by IP-b). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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SMDS, which stands for Switched Multi-megabit Data Services, was a connectionless service used to connect LANs, MANs and WANs to exchange data. SMDS fragmented its datagrams into smaller cells for transport, and can be viewed as a technological precursor of ATM.

Increases in raw data rates removed the need for fragmentation into cells, and SMDS' niche market position ensured that it remained a high-priced service. As a result, SMDS has been supplanted by IP-based and Ethernet-based services and MPLS.

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