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Application US20190281447
Published 2019-09-12
Distributed Data Processing System, Center Server, Edge Server, Mobile Terminal, And Method
An information request describing an attribute of necessary data is distributed from a center server to a mobile terminal via an edge server; the mobile terminal transmits data, which is requested in the information request, to the edge server; the edge server notifies the center server to the effect that the data, which is requested in the information request, has been acquired; the center server distributes, with respect to data acquired by the edge server from the mobile terminal, non-necessity information indicating that collection of the data is unnecessary to the edge server and to the mobile terminal via the edge server; and when the mobile terminal receives the non-necessity information, the mobile terminal suspends acquisition of data, of which collection is deemed unnecessary in the non-necessity information, and, when the data is stored, discards the data.
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- 1. A distributed data processing system comprising a center server, a plurality of edge servers, and a mobile terminal, and collecting, in the center server, data acquired by the mobile terminal, wherein
the center server is adapted to distribute an information request describing an attribute of at least one piece of necessary data to the mobile terminal via an edge server, the mobile terminal is adapted to transmit requested data, which is requested in the information request, to the edge server, the edge server is adapted to notify the center server to the effect that the requested data has been acquired, the center server is adapted to distribute, with respect to data acquired by the edge server from the mobile terminal, non-necessity information indicating that collection of the data is unnecessary to the edge server and to the mobile terminal via the edge server, and the mobile terminal is adapted to, when the mobile terminal receives the non-necessity information, suspend acquisition of unnecessary data, of which collection is deemed unnecessary in the non-necessity information, and to discard the data if the data is stored in the mobile terminal.
- 7. A center server collecting data from a mobile terminal via a plurality of edge servers, the center server comprising:
an information request distributing unit adapted to distribute an information request describing an attribute of at least one piece of necessary data to the mobile terminal via the edge server; a receiving unit adapted to receive, from the edge server, a notification to the effect that the edge server possesses requested data, which is requested in the information request; and a non-necessity information distributing unit adapted to distribute, in response to the reception of the notification to the effect that the edge server possesses the requested data, non-necessity information indicating that collection of the requested data is unnecessary to the edge server and to the mobile terminal via the edge server.
- 8. An edge server collecting data from a mobile terminal in accordance with an information request from a center server, the edge server comprising:
an information request receiving unit adapted to receive an information request describing an attribute of at least one piece of necessary data from the center server; an information request transmitting unit adapted to transmit the information request to the mobile terminal; an information receiving unit adapted to receive requested data, which is requested in the information request from the mobile terminal; a possession notification transmitting unit adapted to notify the center server to the effect that the requested data has been acquired; a non-necessity information receiving unit adapted to receive non-necessity information indicating that collection of the requested data is unnecessary from the center server; and a non-necessity information transmitting unit adapted to transmit the non-necessity information to the mobile terminal.
- 9. A mobile terminal, comprising:
an information request receiving unit adapted to receive an information request describing an attribute of at least one piece of necessary data from an edge server; a data acquiring unit adapted to acquire requested data, which is requested in the information request; an information transmitting unit adapted to transmit the requested data to the edge server; and a non-necessity information receiving unit adapted to receive non-necessity information indicating that collection of the requested data from a center server, wherein when the non-necessity information is received, acquisition of the unnecessary data, of which collection is deemed unnecessary in the non-necessity information, is suspended, and the data is discarded if the data is stored.
- 10. A data collection method in a distributed data processing system including a center server, a plurality of edge servers, and a mobile terminal and collecting, in the center server, data acquired by the mobile terminal, the method comprising:
distributing, by the center server, an information request describing an attribute of at least one piece of necessary data to the mobile terminal via an edge server; transmitting, by the mobile terminal, requested data which is requested in the information request to the edge server; notifying, by the edge server, the center server to the effect that the requested data has been acquired; distributing, by the center server, with respect to the data acquired by the edge server from the mobile terminal, non-necessity information indicating that collection of the data is unnecessary to the edge server and to the mobile terminal via the edge server; and in response to receiving the non-necessity information, suspending, by the mobile terminal, acquisition of unnecessary data, of which collection is deemed unnecessary in the non-necessity information, and discard the data if the data is stored.
