Patent ID: 9699097
Date: 2017-07-04
CPC Classifications: H04L

Claim:
1. A network system comprising: a transmitting/receiving apparatus; a plurality of switches; and a network control apparatus, wherein the switch includes a first packet transmission control unit, and a second packet transmission control unit, wherein the network system includes a first packet transmission control area that is not uniquely determined a path to the receiving apparatus according to the first packet transmission control unit, and a second packet transmission control area that is uniquely determined the path to the receiving apparatus according to the second packet transmission control unit, and wherein a switch which is included in the first packet transmission control area among the plurality of switches is configured to include, in the first packet transmission control unit, a first storage unit which stores a plurality of pieces of first rule information informed from the network control apparatus, and to apply a mask to a predetermined position of header information of an input packet according to the number of the plurality of pieces of first rule information, and to control the input packet according to the first rule information selected from the first storage unit based on the header information after masking, wherein the number of the plurality of pieces of first rule information is determined according to the number of paths from the switch included in the first packet transmission control area toward a switch included in the second packet transmission control area.