Appendix A: Glossary
Addres
A bit ma
ect bits fr
2 bits
long an
the ne
and one
s of
AAL5
ATM Adaptation Layer - This layer maps higher layer user data into ATM cells, making the
port through the ATM network.
A
annel
demand determines packet allocation. ATM offers fast packet technology,
real time, and demand led switching for efficient use of network resources.
AWG
American Wire Gauge - The measurement of thickness of a wire
Bridge
A device connects two or more physical networks and forward packets between them.
B
rtain traffic. Related
devices are rep
which
d electrical signals from one cable to the other
and full-fledged
rs whic
riteria.
Broadband
Characteristic of any network multiplexes independent network carriers onto a single cable.
eral networks to coexist on one single cable; traffic from
o
w
E
CO
Central Office. Refers to equipment located at a Telco or service provider's office.
CPE
Customer Premises Equipment located in a user's premises
s mask
sk sel
om an Internet address for subnet addressing. The mask is 3
d selects
twork portion of the Internet address
or more bit
the local portion. Sometimes it called subnet mask.
data suitable for trans
ADSL
symmetric digital subscriber line
A
ATM
synchronous Transfer Mode - A cell-based data transfer technique in which ch
ridges can usually be made to filter packets, that is, to forward only ce
eaters
simply forwar
route
h make routing decisions based on several c
Broadband technology allows sev
ne network does not interfere with traffic from another. Broadcast a packet delivery system
here a copy of a given packet is given to all hosts attached to the network. Example:
thernet.
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