Switching White Papers
Switched Multimegabit Data Service (SMDS)
Overview Switched Multimegabit Data Service (SMDS) is a packet-switched datagram service designed for very high-speed wide-area data communications. SMDS offers data throughputs that will initially be in the 1- to 34-Mbps range and is being deployed in public networks by the carriers in response to two trends. The first trend is the proliferation of distributed processing and other applications that require high-performance networking. The second trend is the decreasing cost and high-bandwidth potential of fiber media, making support of such applications over a wide-area network (WAN) viable. SMDS is described in a series of specifications produced by Bell Communications Research (Bellcore) and adopted by the telecommunications equipment providers and carriers. One of these specifications describes the SMDS Interface Protocol (SIP), which is the protocol between a user device (referred to as customer premises equipment, or CPE), and SMDS network equipment. The SIP is based on an IEEE standard protocol for metropolitan-area networks (MANs): that is, the IEEE 802.6 Distributed Queue Dual Bus (DQDB) standard. Using this protocol, CPE such as routers can be attached to an SMDS network and use SMDS service for high-speed internetworking.
| Publisher | Cisco Systems | File Format | HTML & PDF |
|---|---|---|---|
| Date Published | June 1999 | Downloads | 8 |
| Format | White Papers | ||
| Topics | |||
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