Patent ID: 6625147
Filing Date: 2003-09-23
Classification: H04L

Abstract:
A communications network control system comprising:judging means for judging whether a variable-length packet inputted via a first network is a control packet self-addressed and containing control information for network control, or a transfer packet addressed otherwise; first managing means for receiving the control packet judged to be the control packet by said judging means via a communications medium, and managing and processing the control information, based on the received control packet; second managing means for storing the control information transmitted to said communications medium from said first managing means in such a way that the control information can be updated as well as for controlling a transfer of the transfer packet; and rewriting means for executing a process of rewriting contents of the transfer packet in accordance with the control information stored in said second managing means, even during processing of the control information of the received control packet by said first managing means, in order to transfer to a second network the transfer packet judged to be the transfer packet by said judging means.