A packet switched operational mode for transferring (transporting
and switching) user information through a network without
establishing a connection. The packets do not necessarily arrive at
their destination in the order they were sent, unlike the
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In data communication, a grouping of a sequence of binary digits,
including data and control signals, that is transmitted and
switched as a composite whole. The data, control signals, and
possibly error control information, are arranged in a specific
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Cycle per second; a measure of electromagnetic frequency that
represents the number of complete electrical waves in a second. One
kiloHertz (kHz) is one thousand cycles per second; one megaHertz
(MHz) is one million; one gigaHertz (gHz) is one billio
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In a communication network, one of the network nodes equipped for
interfacing with a network using different protocols. Note 1: A
gateway may contain devices such as protocol translators, impedance
matching devices, rate converters, fault isolation,
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A mode of operation in which simultaneous communication in both
directions may occur between two terminals. Contrast with half
duplex or simplex operation in which communications occur in only
one direction at a time.
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A technique to reduce the amount of data to be transmitted that
reduces the amount of bandwidth needed to transmit video or audio,
thus increasing the capacity of a satellite transponder.
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A method of accessing a satellite using time separation; sending
simultaneous data streams interleaved using a clock to separate the
various data packets.
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Digital transmission in which the time interval between any two
similar significant instants in the overall bit stream is always an
integral number of unit intervals. Note: Isochronous and
anisochronous are characteristics, while synchronous and asyn
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The process of interconnecting a number of individual networks to
provide a path from a terminal or a host on one network to a
terminal or a host on another network. The networks involved may be
of the same type, or they may be of different types. Ho
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