Digital Data Communications Message Protocol (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Digital Data Communications Message Protocol" in English language version.

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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.