Buffer management method and apparatus

Details Buffer management method and apparatus Buffer management method and apparatus

2007-02-27

2007-02-27

Lee, Andrew C. (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S458000

Reexamination Certificate

active

10009551

ABSTRACT:
The present invention relates to methods and an apparatus for switching data. According to the invention, storage means providing three or more frame buffers are used for temporarily storing frames of time slot data received via an input port of said apparatus. Read and write pointers are provided to designate which of said frame buffers that are used to be read/write accessed at each point in time. Control means are provided for controlling the operation of said pointer means, said control means being arranged initiate said read pointer means by detecting which one of said first signal and said second signal that is received first in time after a selected point in time and to control one or both of said pointer means so that, if said first signal is received first, the frame buffer designated by said write pointer means is at least two frame buffers ahead, in said round-robin fashion, of the frame buffer designated by said read pointer means, or so that, if said second signal is received first, the frame buffer designated by said read pointer means is at least two frame buffers ahead, in said round-robin fashion, of the frame buffer designated by said write pointer means.

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