Alcatel-Lucent AOS-W 6.5.3.x - Page 1119

1119| Glossary of Terms AOS-W 6.5.3.x| User Guide
ABR
Area Border Router. ABR is used for establishing connection between the backbone networks and the Open
Shortest Path First (OSPF) areas. ABR is located near the border of one or more OSPF areas.
AC
Access Category. As per the IEEE 802.11e standards, AC refers to various levels of traffic prioritization in
Enhanced Distributed Channel Access (EDCA) operation mode. The WLAN applications prioritize traffic based
on the Background, Best Effort, Video, and Voice access categories. AC can also refer to Alternating Current, a
form of electric energy that flows when the appliances are plugged to a wall socket.
ACC
Advanced Cellular Coexistence. The ACC feature in APs enable WLANs to perform at peak efficiency by
minimizing interference from 3G/4G/LTE networks, distributed antenna systems, and commercial small
cell/femtocell equipment.
Access-Accept
Response from the RADIUS server indicating successful authentication and containing authorization
information.
Access-Reject
Response from RADIUS server indicating that a user is not authorized.
Access-Request
RADIUS packet sent to a RADIUS server requesting authorization.
Accounting-Request
RADIUS packet type sent to a RADIUS server containing accounting summary information.
Accounting-Response
RADIUS packet sent by the RADIUS server to acknowledge receipt of an Accounting-Request.
ACE
Access Control Entry. ACE is an element in an ACL that includes access control information.
ACI
Adjacent Channel Interference. ACI refers to interference or interruptions detected on a broadcasting
channel, caused by too much power on an adjacent channel in the spectrum.
ACL
Access Control List. ACL is a common way of restricting certain types of traffic on a physical port.
Active Directory
Microsoft Active Directory. The directory server that stores information about a variety of things, such as
organizations, sites, systems, users, shares, and other network objects or components. It also provides
authentication and authorization mechanisms, and a framework within which related services can be
deployed.