Patent ID: 6882655

Claim:
A switch provided on a network for transferring data and having a plurality of input ports for receiving input of transfer data and switching execution means for switching and outputting transfer data applied through said input ports, wherein said switching execution means comprising: a switch core for executing switching processing and a scheduler for conducting switch scheduling for the switching by said switch core in consideration of priorities set at said transfer data and setting said switch core, and said input port comprising: a plurality of buffers for storing said transfer data allotted on a priority basis and outputting said transfer data according to results of said switch scheduling, the number of said plurality of buffers corresponding to the number of said priorities of said transfer date, request aggregating means for aggregating connection requests related to said transfer data which are allotted on a priority basis, allotting the connection requests in accordance with priorities which are taken into consideration in said switch scheduling and outputting the obtained requests, said request aggregation means synthesizing said connection requests utilizing a synthesizing method, and data aggregating means for aggregating transfer data output from said buffer and transmitting the aggregated data to said switch core.