why TCP/IP are mentioned together -

why TCP/IP are mentioned together -

transmission command protocol , net protocol 2 different protocols. why mentioned together.

the official name tcp/ip internet protocol suite. tcp/ip shorthand used authors refer new iteration of standard based on previous protocol called tcp (for transmission command program), 1 may infer new acronym meant differentiate latter.

quoting wikipedia entry:

in may 1974 institute of electrical , electronic engineers (ieee) published paper titled "a protocol packet network intercommunication." paper's authors, vint cerf , bob kahn, described internetworking protocol sharing resources using packet-switching among nodes. central command component of model transmission command program incorporated both connection-oriented links , datagram services between hosts. monolithic transmission command programme later divided modular architecture consisting of transmission command protocol @ connection-oriented layer , internet protocol @ internetworking (datagram) layer. model became known informally tcp/ip, although formally henceforth called net protocol suite.

source: http://en.wikipedia.org/wiki/transmission_control_protocol#historical_origin

tcp ip