User guide

I-8 VMS User Guide
Star
Topology
A network topology which, if drawn as a logical representation, resembles a star
with a hub at the center.
STDMA Selective Time Division Multiple Access – A multiple access technique where
users time-share access to a common channel with variable-sized time slots
allocated on usage.
Streamload
Protocol
A proprietary Vipersat data streaming protocol.
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.
ToS Type of Service
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 that allows
external VPN equipment and Real-Time proprietary applications to negotiate
bandwidth requests between any two subnets on a Vipersat network.