Digital Data Communications Message Protocol
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Digital Data Communications Message Protocol (DDCMP) is a byte-oriented communications protocol devised by Digital Equipment Corporation in 1974[1] to allow communication over point-to-point network links for the company's DECnet Phase I network protocol suite. The protocol uses full or half duplex synchronous and asynchronous links and allowed errors introduced in transmission to be detected and corrected. It was retained and extended for later versions of the DECnet protocol suite. DDCMP has been described as the "most popular and pervasive of the commercial byte-count data link protocols".[2]
See also[edit]
References[edit]
- Overview of the protocol
- Protocol specification (courtesy of DEC)
- Notes
- ^ Gurdeep S. Hura; Mukesh Singhal (28 March 2001). Data and Computer Communications: Networking and Internetworking. CRC Press. p. 483. ISBN 978-0-8493-0928-1.
Digital Equipment Corporation (DEC) developed a byte-oriented protocol known as digital data communications message protocol (DDCMP) in 1974.
- ^ Barksdale, William J. (13 March 2013). Practical Computer Data Communications. Springer Science & Business Media. p. 185. ISBN 978-1-4684-5164-1.
DEC Digital Data Communications Message Protocol (DDCMP)... is the most popular and pervasive of the commercial byte-count data link protocols.
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