PROBLEM TO BE SOLVED: To enable update of software while satisfying dependency relationship for the software.SOLUTION: A software update device comprises: a receiving unit for receiving data to be updated from a server, the receiving unit connected to one or more other software update devices and the server via a network; an update unit for updating software using the data to be updated; a communication unit for communicating with the other software update devices; an update timing receiving unit for receiving, from the server, an update timing describing a condition for updating the software which includes a reception of an update trigger; a notification information receiving unit for receiving, from the server, notification information including a condition for transmitting the update trigger to the other software update devices; an update trigger notification unit for transmitting the update trigger to the other software update devices based on the notification information; an update trigger receiving unit for receiving the update trigger from the other software update devices; and an update start determination unit for causing the update unit to execute update of software in response to determining that all conditions described in the update timing are satisfied.SELECTED DRAWING: Figure 1

    【課題】ソフトウェアの依存関係を満たしたままソフトウェアを更新することができる。【解決手段】ソフトウェア更新装置は、1以上の他のソフトウェア更新装置及びサーバとネットワークを介して接続され、サーバから更新用データを受信する受信部と、更新用データを用いてソフトウェアの更新を行う更新部と、他のソフトウェア更新装置と通信する通信部と、更新トリガの受信を含むソフトウェアを更新する条件が記載された更新契機をサーバから受信する更新契機受信部と、他のソフトウェア更新装置に更新トリガを送信する条件を含む通知情報をサーバから受信する通知情報受信部と、通知情報に基づき他のソフトウェア更新装置に更新トリガを送信する更新トリガ通知部と、他のソフトウェア更新装置から更新トリガを受信する更新トリガ受信部と、更新契機に記述されているすべての条件が満たされたと判断すると更新部にソフトウェアの更新を実行させる更新開始判断部とを備える。【選択図】図1


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    Title :

    SOFTWARE UPDATE DEVICE, SOFTWARE UPDATE SYSTEM


    Additional title:

    ソフトウェア更新装置、ソフトウェア更新システム


    Contributors:

    Publication date :

    2018-07-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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