MPLS-Enabled Applications: Emerging Developments and New Technologies

Acronyms

2G

Second-generation mobile network

3G

Third-generation mobile network

6PE

A scheme to allow IPv6 traffic to be carried over an IPv4 MPLS network

AAL

ATM Adaptation Layer

ABR

Area Border Router. A router used to connect two OSPF areas

AC

Attachment Circuit. In the context of Layer 2 VPNs, the physical or logical circuit used to connect a CE to a PE

AF

Assured Forwarding DiffServ class

AFI

Address Family Identifier. In BGP, the identity of the network layer protocol associated with the network layer reachability information being advertised

AIS

Alarm Indication Signal. In SONET/SDH networks and ATM networks, a means of signaling in the downstream direction the existence of a fault

APS

Automatic Protection Switching. A method for providing protection at the SONET/SDH layer by moving the traffic to a standby link

ARP

Address Resolution Protocol

AS

Autonomous System. A collection of routers belonging to the same administrative entity and having a common external routing policy

ASBR

Autonomous System Border Router. A router used to connect two ASs

ATM

Asynchronous Transfer Mode

ATM PVC

ATM Permanent Virtual Channel

BC

Bandwidth Constraint. In DiffServ Aware Traffic Engineering, BCs determine the bandwidth availability on a link for a Class Type or group of Class Types

BE

Best Effort DiffServ class

BECN

Backward Explicit Congestion Notification. In Frame Relay networks, a message sent towards the transmission source indicating the existence of congestion in the network

BFD ...