Switched Multi-megabit Data Service: Difference between revisions

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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 was based on the IEEE 802.6 DQDB standard. 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.

External links

Cisco guide to SMDS

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-'''SMDS''', which stands for '''Switched Multi-megabit Data Services''', was a connectionless service used to connect [[LAN]]s, [[Metropolitan area network|MAN]]s and [[Wide area network|WAN]]s to exchange data. SMDS was based on the [[IEEE 802.6]] [[DQDB]] standard. SMDS fragmented its datagrams into smaller "cells" for transport, and can be viewed as a technological precursor of [[Asynchronous Transfer Mode|ATM]].
+'''SMDS''', which stands for '''Switched Multi-megabit Data Services''', was a [[connectionless]] service used to connect [[LAN]]s, [[Metropolitan area network|MAN]]s and [[Wide area network|WAN]]s to exchange data. SMDS was based on the [[IEEE 802.6]] [[DQDB]] standard. SMDS fragmented its datagrams into smaller "cells" for transport, and can be viewed as a technological precursor of [[Asynchronous Transfer Mode|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]].