ATM communication system interconnect/termination unit

Details ATM communication system interconnect/termination unit ATM communication system interconnect/termination unit

1996-03-07

1999-11-09

Hsu, Alpus H.

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370253, 370395, 370412, 3952008, H04L 1256, G06F 300

Patent

active

059827491

ABSTRACT:
An asynchronous transfer mode (ATM) digital electronic communication system includes an ATM communication system interconnection and termination unit (ATMCSI/TU). This ATMCSI/TU includes both a programmable microprocessor and several hardware-implemented coprocessors. The hardware-implemented coprocessors are under control of the microprocessor, and are dedicated to the performing of repetitive tasks. Thus, the microprocessor is freed to perform supervisory tasks in the ATM in addition to performing tasks associated with actual communication of digital data packages (i.e., CS-PDU's) in the ATM system. Thus, the APU is freed from doing repetitive data manipulation tasks, while these tasks are performed by one or more hardware-implemented coprocessors using memory mapped data structures and linked lists of data.

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