Patent ID: 6295560
Filing Date: 2001-09-25
Classification: G06F

Abstract:
A data delivery system for delivering data to clients, the system having an upper layer address allocated thereto and comprising:a plurality of data delivery units, each having a shared lower layer address common to said plurality of data delivery units and a unique lower layer address uniquely allocated to each data delivery unit; anda transfer unit for transferring a request destined to the upper layer address and transmitted from a client to said plurality of data delivery units and transferring a response destined to the client and transmitted from one of said plurality of data delivery units toward the client;wherein each data delivery unit includes a reception unit for receiving a request from the client that is transferred to the shared lower layer address, and a transmission unit for transmitting a response which has the upper layer address as a source by using own unique lower layer address when a request received by the reception unit is a connection request that is made prior to data delivery and said each data delivery unit has a response right indicating one of said plurality of data delivery units which is allowed to respond to requests.