Panasonic 1200N manual Asp, Asw, Atm

Glossary

ARPANet

Advanced Research Projects Agency NETwork: A Department of Defense data network, developed by ARPA, which ties together many users and computers in universities, government, and businesses. ARPANET has been the forerunner of many developments in commercial data communications, including packet switching, which was first tested on a large scale on the network. ARPANET is a predcessor of the Internet. It was started in 1969 with funds for the Defense

Department’s Advanced Projects Research Agency. 1

ASP

Abstract Service Primitive: An implementation-independent description of an interaction between a service-user and a service-provider at a particular service boundary, as defined by Open Systems Interconnection (OSI).

Assigned Cell

Cell that provides a service to an upper layer entity or ATM Layer Management entity (ATMM-entity).

ASW

Cell switching control (point-to-point connection, point-to-multipoint connection)

Asynchronous

Not occurring at the same time; beginning each operation only after finishing the preceding one.

Asynchronous Time Division Multiplexing

A multiplexing technique in which a transmission capability is organized in a prior unassigned time slots. The time slots are assigned to cells upon request of each application's instantaneous real need.

ATM

Asynchronous Transfer Mode: A transfer mode in which the information is organized into cells. It is asynchronous in the sense that the recurrence of cells containing information from an individual user is not necessarily periodic. ATM is

ahigh bandwidth, low-delay, connection-oriented, packet-like switching and multiplexing technique which will form the basis for future offering of Broadband ISDN(B-ISDN).Usable capacity is segmented into 53-byte fixed-size cells, consisting of header and information fields, allocated to services on demand.

1.Newton’s Telecom Dictionary

Centillion 1200N ATM Switch User Manual	B-7
NTP 297-8103-903