Information processing device, data synchronization program, data synchronization method, data synchronization system, and terminal device

A non-transitory computer-readable medium containing executable instructions which when executed by one or more processors of a computer connected through a network to a plurality of clients configured to participate in one or more virtual spaces and synchronize a synchronization target object in the one or more virtual spaces, wherein

• the synchronization target object in the virtual space being synchronized between clients in a synchronization group including a client that has ownership of the object and a client that does not have the ownership, causes the computer to perform operation comprising:
• receiving change content information of the synchronization target object from each client of the plurality of clients that has ownership of the synchronization target object;
• updating, by referring to management information that is managed for each synchronization target object and defining a first client that has ownership of the synchronization target object, a replicated synchronization target object obtained by replicating the synchronization target object by using the change content information in a case where a client that transmits the change content information is defined as the first client that has the ownership of the synchronization target object in the management information;
• and
• transmitting the change content information to one or more clients other than the first client that has the ownership among the plurality of clients in the synchronization group, thereby the synchronization target object in the one or more virtual spaces is synchronized among the plurality of clients in the synchronization group.

A data synchronization system comprising:

• a plurality of clients configured to participate in one or more virtual spaces;
• and
• an information processing device connected through a network to the plurality of clients,
• a synchronization target object in the one or more virtual spaces being synchronized among the plurality of clients in a synchronization group including a first client that has ownership of the object and one of more of clients that do not have the ownership,
• the information processing device comprising:
• a non-transitory computer-readable medium containing executable instructions which when executed by one or more processors of a computer, causes the computer to:
• receive change content information of the synchronization target object from first client that has ownership of the synchronization target object;
• update, by referring to management information that is managed for each synchronization target object and defining the first client that has ownership of the synchronization target object, a replicated synchronization target object obtained by replicating the synchronization target object by using the change content information in a case where a client that transmits the change content information is defined as the first client that has the ownership of the synchronization target object in the management information;
• and
• transmit the change content information to the one or more clients other than the first client that has the ownership among the plurality of clients in the synchronization group, thereby the synchronization target object in the one or more virtual spaces is synchronized among the plurality of clients in the synchronization group.

A terminal device serving as a first client configured to participate in one or more virtual spaces and connected through a network to another terminal device serving as one or more clients via an information processing device,

• a synchronization target object in the one or more virtual spaces being synchronized among a plurality of clients in a synchronization group including the first client that has ownership of the object and the one or more clients that do not have the ownership, the terminal device comprising:
• a non-transitory computer-readable medium containing executable instructions which when executed by one or more processors of a computer, causes the computer to:
• receive via the information processing device, by referring to management information that is managed for each synchronization target object and defining the first client that has ownership of the synchronization target object, change content information of the synchronization target object from the first client that has ownership of the synchronization target object only in a case where a client that transmits the change content information is defined as the first client that has the ownership of the synchronization target object in the management information;
• update a replicated synchronization target object obtained by replicating the synchronization target object by using the change content information;
• and
• transmit the change content information to the one or more clients other than the first client that has the ownership among the plurality of clients in the synchronization group, wherein
• each terminal device is communicably connected to the information processing device through the network, thereby the synchronization target object in the one or more virtual spaces is synchronized among the plurality of clients in the synchronization group.

A terminal device serving as a first client configured to participate in one or more virtual spaces and connected through a network to another terminal device serving as one or more second clients via an information processing device,

• a synchronization target object in the one or more virtual spaces being synchronized among a plurality of clients in a synchronization group including the first client that has ownership of the object and the one or more clients that do not have the ownership, the terminal device comprising:
• a non-transitory computer-readable medium containing executable instructions which when executed by one or more processors of a computer, causes the computer to:
• transmit, by referring to management information that is managed for each synchronization target object and defining the first client that has ownership of the synchronization target object, the change content information which is a differential information between a replicated synchronization target object obtained by replicating the synchronization target object and updated replicated synchronization target object in an own client to the information processing device only in a case where the own client is defined as the first client that has the ownership of the synchronization target object in the management information, when the replicated synchronization target object obtained by replicating the synchronization target object is updated in the own client, wherein
• each terminal device is communicably connected to the information processing device through the network, thereby the synchronization target object in the one or more virtual spaces is synchronized among the plurality of clients in the synchronization group.

A virtual space management provider that is connected through a network to a plurality of clients configured to participate in one or more virtual spaces,

• a synchronization target object in the one or more virtual spaces being synchronized among a plurality of clients in a synchronization group including a first client that has ownership of the synchronization target object and one or more clients that do not have the ownership, the virtual space management provider comprising:
• a non-transitory computer-readable medium containing executable instructions which when executed by one or more processors of a computer, causes the computer to:
• receive change content information of the synchronization target object from the first client that has ownership of the synchronization target object among the plurality of clients in the synchronization group;
• update, by referring to management information that is managed for each synchronization target object and defining the first client that has ownership of the synchronization target object, a replicated synchronization target object obtained by replicating the synchronization target object by using the change content information in a case where a client that transmits the change content information is defined as the first client that has the ownership of the synchronization target object in the management information;
• and
• transmit the change content information to one or more clients other than the first client that has the ownership among the plurality of clients in the synchronization group, thereby the synchronization target object in the one or more virtual spaces is synchronized among the plurality of clients in the synchronization group.