Ubee DDW36C Advanced Wireless Gateway Subscriber User Guide • October 2015
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Glossary
This chapter defines terms used in this guide and in the industry.
54G
TM
The internal wireless adapter from Broadcom.
ALG (Application-Level Gateway)
A type of security device that acts on behalf of the application servers on a network,
hiding the servers themselves from traffic that might be malicious.
AP (Access Point)
A device that allows wireless devices to connect to a wired network using WiFi, or related
standards.
Broadcast
A packet sent to all devices on a network.
BSS (Basic Service Sets)
A basic service set is the fundamental building block of an 802.11 wireless local area
network. The overlapping BSS problem refers to a situation where two or more systems,
unrelated to each other are in close enough proximity to hear each other physically.
Overlapping BSS may degrade the network performance severely.
BSSID (Basic Service Set Identifier)
The BSSID uniquely identifies a specific access point and is in the same format as a MAC
address.
Channel Bonding
A computer networking configuration where two or more network interfaces are combined
on a host computer for redundancy or increased throughput. Data is transmitted over
these channels as if they are one channel.
CMTS (Cable Modem Termination System)
Typically located in the cable company’s headend, the CMTS is equipment that provides
high-speed data services to subscribers, such as cable Internet and Voice over IP (VoIP).
CPE (Customer Premises Equipment)
Equipment such as telephones, routers, and modems located at a user’s location to
enable access to communication services.
Default Gateway
The routing device used to forward all traffic that is not addressed to a computer on the
local subnet.
