E-8 Vipersat CDD-564L User’s Guide
T
TCP/IP Transmission Control Protocol / Internet Protocol – A standard for networking
over unreliable transmission paths. See also UDP.
TDMA Time Division Multiple Access – A multiple access technique where users
contend for access to a common channel on a time-shared basis. See also
FDMA and STDMA.
STDMA This is an acronym for Selective Time Division Multiple Access - A multiple
access technique where users time-shared access to a common channel with
selective sized time slots allocated on usage.
TFTP Trivial File Transfer Protocol – A simple file transfer protocol used over reli-
able transmission paths. See also FTP.
TPI TransParent Interface - As a message arrives at its destination, the SDMS-II
decodes the token and forwards the data to a port known as TPI
Tx Transmit.
U
UDP User Datagram Protocol – A standard for networking over reliable transmission
paths.
UDP
Multicast
A multicast transmission using the UDP protocol.
V
VESP Vipersat External Switching Protocol is a switch-request protocol which allows
both Vipersat and other manufactures to participate in a VMS controlled
network
VMS VIPERSAT Management System
VoIP Voice over IP
VOS Vipersat Object Service