68 Glossary
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Signal quality factor (SQF) - an integer value
from 0-99 that indicates the strength of the
received satellite signal relative to noise.
Subnet mask - a 32-bit value that is used to
distinguish the network ID from the host ID in
an arbitrary IP address. Each host on a network
requires a subnet mask.
TCP/IP internet protocol suite - the basic
communication language or protocol of the
Internet.
TCP Acceleration - see PEP.
Transmission control protocol (TCP) - a set of
rules (protocol) used along with the Internet
Protocol (IP) to send data in the form of
message units between computers over the
Internet. While IP takes care of handling the
actual delivery of the data, TCP takes care of
keeping track of the individual units of data
(called packets) that a message is divided into
for efficient routing through the Internet.
Turbo Page - software that prefetches objects
from Web sites you visit to speed up surfing.