Available Bit Rate
Acknowledgement flag, TCP header
Access Control List
Auto-Negotiation Advertisement Register
Auto-Negotiation Expansion Register
Application Programming Interface
A host computer that provides access to a software application. In the context of this Reference Architecture, it is used to mean a J2EE Application Server, which essentially serves as an enterprise platform for Java applications.
Address Recognition Indicator/Frame Copier Indicator
Address Resolution Protocol
Application Specific Integrated Circuit
Asynchronous Transfer Mode