TD/SMP, short for Terminal Device/Session Management Protocol, was a terminal multiplexer system introduced by DEC on their VT330/340 terminals in 1987. The terminal-side was referred to as SSU. TD/SMP allowed data from two separate host sessions to be sent to a compatible computer terminal over a single serial port. The format was patented and never described in depth, limiting it to DEC's own terminal servers and terminals.
SMP may refer to:
SMP2 stands for Simulation Model Portability version 2.
It was developed by ESA and many stakeholders in the European Space Industry.
SMP2 is one version of the Simulation Model Portability; more information is reported on the article dedicated to Simulation Model Portability.