Switching system, switching control system, and storage medium

Abstract

A communication apparatus to forward a packet, the communication apparatus comprising of a control unit to communicate with a controller, based on a predetermined control protocol, being capable of transmitting a first packet forwarding rule to a plurality of the communication apparatus, and a table divided into a first region to store the first packet forwarding rule and a second region to store a second packet forwarding rule set by the communication apparatus.

1 . A communication apparatus to forward a packet, the communication apparatus comprising:
 a control unit to communicate with a controller, based on a predetermined control protocol, being capable of transmitting a first packet forwarding rule to a plurality of the communication apparatus; and   a table divided into a first region to store the first packet forwarding rule and a second region to store a second packet forwarding rule set by the communication apparatus.   
     
     
         2 . The communication apparatus according to  claim 1 , wherein the control unit receives the first packet forwarding rule, from the controller, including an identification rule to identify the packet based on a plurality of information included in the packet and a packet processing rule corresponding to the identification rule. 
     
     
         3 . A communication apparatus to forward a packet, the communication apparatus comprising:
 a first unit to communicate with a controller, based on a predetermined control protocol, being capable of transmitting a first packet forwarding rule to a plurality of the communication apparatus; and   a second unit to determine, based on a input port of the packet, processing the packet depending on either a first region to store the first packet forwarding rule or a second region to store a second packet forwarding rule set by the communication apparatus.   
     
     
         4 . The communication apparatus according to  claim 3 ,
 wherein the first unit receives the first packet forwarding rule, from the controller, including an identification rule to identify the packet based on a plurality of information included in the packet and a packet processing rule corresponding to the identification rule.   
     
     
         5 . The communication apparatus according to  claim 3 ,
 wherein the second unit determines, based on whether the input port is associated with the control protocol or not, processing the packet depending on either the first region or the second region.   
     
     
         6 . A communication apparatus to forward a packet, the communication apparatus comprising:
 a first unit to communicate with a controller, based on a predetermined control protocol, being capable of transmitting a first packet forwarding rule to forward the packet to a plurality of the communication apparatus; and   a second unit to forward the packet depending on a second region to store a second packet forwarding rule set by the communication apparatus when a first region to store the first packet forwarding rule does not store a rule to forward the packet.   
     
     
         7 . The communication apparatus according to  claim 6 ,
 wherein the first unit receives the first packet forwarding rule, from the controller, including an identification rule to identify the packet based on a plurality of information included in the packet and a packet processing rule corresponding to the identification rule.   
     
     
         8 . A communication method by use of a communication apparatus forwarding a packet, the communication method comprising:
 communicating between a control unit and a controller, based on a predetermined control protocol, the control unit being capable of transmitting a first packet forwarding rule to a plurality of the communication apparatus;   storing the first packet forwarding rule in a first region of a table; and   storing a second packet forwarding rule set by the communication apparatus in a second region of the table.   
     
     
         9 . A communication method by use of a communication apparatus forwarding a packet, the communication method comprising:
 communicating between a first unit and a controller, based on a predetermined control protocol, the first unit being capable of transmitting a first packet forwarding rule to a plurality of the communication apparatus; and   determining, based on an input port of the packet, processing the packet depending on either a first region to store the first packet forwarding rule or a second region to store a second packet forwarding rule set by the communication apparatus.   
     
     
         10 . A communication method by use of a communication apparatus forwarding a packet, the communication method comprising:
 communicating between a first unit and a controller, based on a predetermined control protocol, the first unit being capable of transmitting a first packet forwarding rule to forward the packet to a plurality of the communication apparatus; and   forwarding the packet depending on a second region to store a second packet forwarding rule set by the communication apparatus when a first region to store the first forwarding rule does not store a rule to forward the packet.