Optical dynamic burst switch

摘要

This invention relates to a node, comprising a data transferring function for transferring data, a data receiving function for receiving data, and an establishing unit for establishing and releasing a cut through path to a node of a next stage; the establishment and releasing unit comprising a calculating unit which calculates in advance establishment paths of a cut through path to each of a plurality of nodes in the next stage, and a detecting unit which detects the arrival of a leading packet of burst data; and the calculating unit calculating establishment paths of a plurality of cut through paths in accordance with an IP address of the leading packet, detected by the detecting unit.