Lightning SA MultiCom, Руководство пользователя

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Glossary
166 Glossary User’s Manual
System Administrator
Or network manager is the individual or group of people responsible for
supporting your office or company network. They maintain security,
configurations, and upgrades for your computers so the network works for
everyone. Sometimes certain functions of If you do not know certain
configurations for your network they will probably know the answer. In some
firms making changes to your computer or connecting devices to it first requires
the permission of the System Administrator.
T1.413
An ANSI industry standard for full-rate DSL Line Modulation.
TCP
The Transmission Control Protocol actually establishes a connection between two
hosts as though they were directly connected. By checking for errors and keeping
track of which order the data packets should be in TCP provides for reliable data
transmissions and interactions. If a data packet is lost or damaged during transit it
is TCP that asks for that data packet to be retransmitted.
See RFC793.
TCP Option
A very technical variable in the TCP header. Filtering for these markers should be
for advanced users only. RFC1323 describes the last two options in more detail.
Common types include:
end of list when the end of the options would not otherwise
coincide with the end of the TCP header
no operation may be used between options, for example, to align
the beginning of a subsequent option on a word
boundary
maximum
segment size communicates the maximum receive segment size at
the TCP which sends this segment
window scale
factor an option that allows the TCP packets to identify data
windows larger than 65K bytes
timestamp an option that allows time stamping from a virtual
clock to allow accurate measurements of round-trip
time between sending a segment and receiving an
acknowledgement for it