COMMUNICATION SYSTEM, PROTOCOL PROCESSING COMPUTER, AND COMMUNICATION METHOD
First Claim
1. A communication system for coupling a first communication network including a data transfer apparatus as a component and a second communication network including a router as a component to each other,the communication system comprising:
- the data transfer apparatus;
the router;
a plurality of protocol processing computers; and
a network control computer,the first communication network being constructed by centralized control by the network control computer,the second communication network being constructed by autonomous distributed control by using a protocol on an IP layer of the router,the router being configured to transmit protocol data requiring protocol processing on the IP layer to the data transfer apparatus,the data transfer apparatus being configured to transfer the protocol data transmitted from the router to any one of the plurality of protocol processing computers,the one of the plurality of protocol processing computers being configured to;
carry out, when receiving the protocol data, the protocol processing on the IP layer for the received protocol data; and
hold identification information on an interface included in the data transfer apparatus for transferring the protocol data to the one of the plurality of protocol processing computers, thereby managing the data transfer apparatus for transferring the protocol data to the one of the plurality of protocol processing computers.
1 Assignment
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Accused Products
Abstract
A communication system couples a first communication network including a data transfer apparatus and a second communication network including a router to each other. The first communication network is constructed by centralized control by the network control computer. The second communication network is constructed by autonomous distributed control by using a protocol on an IP layer of the router. The router transmits protocol data requiring protocol processing on the IP layer to the data transfer apparatus. The data transfer apparatus transfers the protocol data from the router to the protocol processing computer. The protocol processing computer being configured to: carry out, when receiving the protocol data, the protocol processing on the IP layer for the received protocol data; and hold identification information on an interface included in the data transfer apparatus for transferring the protocol data to the protocol processing computer.
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Citations
12 Claims
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1. A communication system for coupling a first communication network including a data transfer apparatus as a component and a second communication network including a router as a component to each other,
the communication system comprising: -
the data transfer apparatus; the router; a plurality of protocol processing computers; and a network control computer, the first communication network being constructed by centralized control by the network control computer, the second communication network being constructed by autonomous distributed control by using a protocol on an IP layer of the router, the router being configured to transmit protocol data requiring protocol processing on the IP layer to the data transfer apparatus, the data transfer apparatus being configured to transfer the protocol data transmitted from the router to any one of the plurality of protocol processing computers, the one of the plurality of protocol processing computers being configured to; carry out, when receiving the protocol data, the protocol processing on the IP layer for the received protocol data; and hold identification information on an interface included in the data transfer apparatus for transferring the protocol data to the one of the plurality of protocol processing computers, thereby managing the data transfer apparatus for transferring the protocol data to the one of the plurality of protocol processing computers. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A protocol processing computer for carrying out, in a communication system for coupling a first communication network including a data transfer apparatus as a component and a second communication network including a router as a component to each other, protocol processing for protocol data, which requires protocol processing on an IP layer and is transmitted from the data transfer apparatus,
the first communication network being constructed by centralized control by a network control computer, the second communication network being constructed by autonomous distributed control by using a protocol on the IP layer of the router, the data transfer apparatus being configured to transfer the protocol data transmitted from the router to any one of the protocol processing computers, the protocol processing computer being configured to: -
carry out, when receiving the protocol data, the protocol processing on the IP layer for the received protocol data; and hold identification information on an interface included in the data transfer apparatus for transferring the protocol data to the protocol processing computer, thereby managing the data transfer apparatus for transferring the protocol data to the protocol processing computer. - View Dependent Claims (8, 9, 10, 11)
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12. A communication method for data in a communication system for coupling a first communication network including a data transfer apparatus as a component and a second communication network including a router as a component to each other,
the communication system having: -
the data transfer apparatus; the router; a plurality of protocol processing computers; and a network control computer, the first communication network being constructed by a centralized control by the network control computer, the second communication network being constructed by autonomous distributed control by using a protocol on an IP layer by the router, the router being configured to recognize the first communication network as at least one virtual router, each of the plurality of protocol processing computers comprising a virtual internal router operating thereon, the virtual internal router having a plurality of virtual interfaces, one of an interface included in the each of the plurality of protocol processing computers and an interface included in the data transfer apparatus for transferring the protocol data to the each of the plurality of protocol processing computers being associated with each of the plurality of virtual interfaces as a physical interface; the communication method including; transmitting, by the router, protocol data requiring protocol processing on the IP layer to the data transfer apparatus; transferring, by the data transfer apparatus, the protocol data transmitted from the router to any one of the plurality of protocol processing computers; carrying out, by the one of the plurality of protocol processing computers, when receiving the protocol data, the protocol processing on the IP layer for the received protocol data; and holding, by the one of the plurality of protocol processing computers, a virtual interface management table to which identification information on the physical interface with which each of the plurality of virtual interfaces is associated is registered, thereby managing the data transfer apparatus for transferring the protocol data to the one of the plurality of protocol processing computers.
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Specification