Usage parameter control apparatus for performing a plurality of

Details Usage parameter control apparatus for performing a plurality of Usage parameter control apparatus for performing a plurality of

1994-11-30

1996-10-22

Marcelo, Melvin

Multiplex communications

Wide area network

Packet switching

370 17, 370 79, H04J 314, H04L 1226

Patent

active

055684688

ABSTRACT:
Policing method and policing circuit for parallelly conducting a plurality of policing which are dependent on policing items in the policing for defining the traffic of an asynchronous transfer mode network are provided. A plurality of traffic monitor circuits 11 parallelly and independently conduct the traffic monitoring of a plurality of items for the input cell for the communication service to be provided by the asynchronous transfer mode network. Each monitor circuit monitors only the violation of the traffic independently and outputs the result. A total determination circuit determines whether to tag, discard or pass the input cell in accordance with a determination rule prescribed for the communication service based on a CLP value contained in a header of the input cell and the monitor result parallelly obtained from the respective monitor circuits to conduct the policing. Depending on the determination result, the traffic state of the input cell is updated by an update circuit or the result of the polishing is outputted to other apparatus. The policing of the high speed complex communication service provided by the asynchronous transfer mode network having dependency between the monitor items of the traffic and the determination order is attained. A delay burden of the network is reduced by the speed-up of the policing.

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ATM User-Network Interface Specification, Version 2.2, pp. 298-303, Jun. 21, 1993.
Yamanaka et al., "Precise UPC Scheme Suitable for ATM Networks Characterized by Widely Ranging Traffic Parameter Values", IEICE Trans. Commun. vol. E75-B, No. 12, Dec. 1992, pp. 1367-1371.

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