Patent ID: 6324165
Filing Date: 2001-11-27
Classification: H04L,H04Q

Abstract:
An ATM switch capable of supporting streams of different classes having various quality of service requirements, comprising:a core switch comprising:a TDM bus;a plurality of input ports connected to said TDM bus;a plurality of output buffers connected to said TDM bus;a plurality of output ports connected to respective output buffers; anda multicast output buffer connected to each of said output ports;a plurality of input modules connected to input side of said core switch, each of said input modules comprising:a plurality of output port planes corresponding to the number of said output ports, each of said output port planes having a plurality of input buffers;an input module scheduler for scheduling cells in said input buffers;a plurality of output modules connected to output side of said core switch, each of said output modules comprising:a plurality of output line planes, each having a plurality of output line buffers coupled to an output line;an output module scheduler for scheduling cells in said output buffers.