Patent ID: 7212539

Claim:
A multi-service-class definition type switch comprising: a buffer device which comprises a buffer section having a plurality of buffers and a cell reading section for reading data from the buffer section; a data input/output device which comprises a data input section for inputting data from an external source, a data output section for outputting the data, and a first data transceiver section for performing reception and transmission with respect to the data; a data processing device which comprises a second data transceiver for performing reception and transmission of data in connection with the first data transceiver section, a data analysis section for analyzing the data received from the second data transceiver section, and a data reading/setting section; wherein the data input/output device is capable of inputting and outputting, data regarding a service class of a buffer, comprising at least one of a service category and a QOS class; and wherein the data processing device is capable of adding and storing new data regarding at least one of a new service category and a new QOS class.