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Line 1: {{notability\|date=October 2011}} {{primary sources\|date=October 2011}} '''Digital Data Communications Message Protocol''' ('''DDCMP''') is a [[communications protocol]] devised by [[Digital Equipment Corporation]] in 1974 to allow communication over point-to-point network links for the company's [[DECnet]] Phase I network protocol. The protocol uses full or half [[duplex]] [[Synchronization\|synchronous]] and [[Asynchronous communication\|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.

Digital Data Communications Message Protocol: Difference between revisions