transmission control protocol
Click on the red underlined text to get to the source
...
The Transmission Control Protocol (TCP) is intended for use as a highly
reliable host-to-host ...
...
This document describes the functions to be performed by the
Transmission Control Protocol, the program that implements it, and its
interface to programs or users that require its services.
...
... Deputy Undersecretary of Defense for Research and Engineering has
declared the Transmission Control Protocol (TCP) described herein to
be a basis for DoD-wide inter-process communication protocol
...
... Transmission Control Protocol: A host-to-host protocol for
reliable communication in internetwork environments. ...