Patent ID: 6185186
Filing Date: 2001-02-06
Classification: H04L,H04Q

Abstract:
A fixed-length cell handling switching system having a call handling control unit for controlling call handling when communication is made using a fixed-length cell comprising:a quality class identifier relating unit for relating a quality class identifier according to a quality class of said fixed-length cell;a quality controlling buffer unit having a managing unit for managing the fixed-length cell related to said quality class identifier on the basis of said quality class identifier, a buffer for storing said fixed-length cell managed by said managing unit, and a read rate information holding unit for holding information about a read rate of said fixed-length cell stored in said buffer;said call handling control unit comprising:a virtual band setting unit for setting a virtual band in said buffer on the basis of said quality class and a declared band in a call presently set; anda read rate setting control unit for setting and controlling a read rate of the fixed-length cell held in said read rate information holding unit on the basis of said virtual band set by said virtual band setting unit.