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Protocol conversion apparatus, communication apparatus, method and program

  • US 20060195613A1
  • Filed: 02/24/2006
  • Published: 08/31/2006
  • Est. Priority Date: 02/25/2005
  • Status: Active Grant
First Claim
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1. A protocol conversion apparatus for mediating access from a first communication device executing a first protocol on a first network to a second communication device executing a second protocol on a second network, comprising:

  • a first protocol processing unit configured to execute the first protocol;

    a second protocol processing unit configured to execute the second protocol;

    a database unit configured to store service descriptions, each describing at least one service provided by a second communication device on the second network in accordance with specification of the first protocol, and to store conversion rule descriptions, each describing at least one protocol conversion rule to the second protocol associated with the at least one service;

    a detection unit configured to detect a second communication device on the second network;

    a database retrieval unit configured to retrieve from the database unit a service description and a conversion rule description to be used for the detected second communication device;

    a virtual processing unit configured to conduct processing of behaving as if providing a first communication device on the first network with the at least one service described in the retrieved service description, by using the first protocol processing unit, and to receive an access request to the service from the first communication device on the first network;

    a conversion unit configured to convert the access request received by the virtual processing unit to an access request of the second protocol, on the basis of a protocol conversion rule associated with the service described in the retrieved conversion rule description; and

    an access request transmission unit configured to transmit the converted access request to the detected second communication device on the second network.

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