User guide

E-8 Vipersat CDD-56X Series User Guide
STDMA Selective Time Division Multiple Access – A multiple access technique where
users time-share access to a common channel with selective sized time slots
allocated on usage.
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.
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 – A switch-request protocol which allows
external VPN equipment and Real-Time proprietary applications to negotiate
bandwidth requests between any two subnets on a Vipersat network.
VMS VIPERSAT Management System – A comprehensive M&C tool providing
rapid and responsive control of Vipersat satellite networks.
VoIP Voice over IP – The routing of voice communications over the Internet or
through any IP-based network.