Comtech EF Data Vipersat CDD-562L User Manual page 142

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.
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
UDP User Datagram Protocol – A standard for networking over reliable transmission
paths.
UDP A multicast transmission using the UDP protocol.
Multicast
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.
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V i p e r s a t C DD - 56 X S e r i e s U s e r G u id e