Scheme for information delivery to mobile computers using cache servers
First Claim
1. An information delivery system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, comprising:
- a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers; and
a management unit configured to manage caching state of the cache servers, by receiving a message indicating at least a connected location of a particular mobile computer in the wireless network from the particular mobile computer, selecting one or more cache servers located nearby the connected location of the particular mobile computer according to the message, and controlling said one or more cache servers to cache selected WWW information specifically selected for the particular mobile computer, so as to enable faster accesses to the selected WWW information by the particular mobile computer at the connected location.
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Accused Products
Abstract
In the disclosed information delivery scheme for delivering WWW information provided by information servers on the Internet to mobile computers connected to the Internet through a wireless network, a plurality of cache servers capable of caching WWW information provided by the information servers are provided in association with the wireless network. The cache servers can be managed by receiving a message indicating at least a connected location of a mobile computer in the wireless network from the mobile computer, selecting one or more cache servers located nearby the mobile computer according to the message, and controlling these one or more cache servers to cache selected WWW information selected for the mobile computer, so as to enable faster accesses to the selected WWW information by the mobile computer. Also, the cache servers can be managed by selecting one or more cache servers located within a geographic range defined for an information provider who provides WWW information from an information server, and controlling these one or more cache servers to cache selected WWW information selected for the information provider, so as to enable faster accesses to the selected WWW information by the mobile computer.
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Citations
25 Claims
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1. An information delivery system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, comprising:
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a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers; and
a management unit configured to manage caching state of the cache servers, by receiving a message indicating at least a connected location of a particular mobile computer in the wireless network from the particular mobile computer, selecting one or more cache servers located nearby the connected location of the particular mobile computer according to the message, and controlling said one or more cache servers to cache selected WWW information specifically selected for the particular mobile computer, so as to enable faster accesses to the selected WWW information by the particular mobile computer at the connected location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An information delivery system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, comprising:
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a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers; and
a management unit configured to manage caching state of the cache servers, by selecting one or more cache servers located within a geographic range defined for a particular information provider who provides WWW information from an information server, and controlling said one or more cache servers to cache selected WWW information specifically selected for the particular information provider, so as to enable faster accesses to the selected WWW information of the particular information provider by any mobile computer that is located within the geographic range defined for the particular information provider. - View Dependent Claims (12, 13, 14, 15)
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16. A method for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, using a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers, the method comprising the steps of:
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receiving a message indicating at least a connected location of a particular mobile computer in the wireless network from the particular mobile computer;
selecting one or more cache servers located nearby the connected location of the particular mobile computer according to the message; and
controlling said one or more cache servers to cache selected WWW information specifically selected for the particular mobile computer, so as to enable faster accesses to the selected WWW information by the particular mobile computer at the connected location.
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17. A method for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, using a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers, the method comprising the steps of:
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selecting one or more cache servers located within a geographic range defined for a particular information provider who provides WWW information from an information server; and
controlling said one or more cache servers to cache selected WWW information specifically selected for the particular information provider, so as to enable faster accesses to the selected WWW information of the particular information provider by the any mobile computer that is located within geographic range defined for the particular information provider.
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18. A management device for use in an information delivery system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, using a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers, the management device comprising:
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a first unit configured to receive a message indicating at least a connected location of a particular mobile computer in the wireless network from the particular mobile computer;
a second unit configured to select one or more cache servers located nearby the connected location of the particular mobile computer according to the message; and
a third unit configured to control said one or more cache servers to cache selected WWW information specifically selected for the particular mobile computer, so as to enable faster accesses to the selected WWW information by the particular mobile computer at the connected location.
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19. A management device for use in an information delivery system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, using a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers, the management device comprising:
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a first unit configured to select one or more cache servers located within a geographic range defined for an a particular information provider who provides WWW information from an information server; and
a second unit configured to control said one or more cache servers to cache selected WWW information specifically selected for the particular information provider, so as to enable faster accesses to the selected WWW information of the particular information provider by any mobile computer that is located within the geographic range defined for the particular information provider.
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20. A mobile computer device for use in an information delivery system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, using a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers, the mobile computer device comprising:
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a first unit configured to maintain a user ID of a user of the mobile computer device;
a second unit configured to obtain a connected location information regarding a connection location of the mobile computer device in the wireless network; and
a third unit configured to notify a message containing at least the user ID and the connection location information, to a management device for managing caching state of the cache servers, such that the message causes the management device to select one or more cache servers located nearby the connected location of the mobile computer device according to the message and control said one or more cache servers to cache selected WWW information specifically selected for the mobile computer device, so as to enable faster accesses to the selected WWW information by the mobile computer device at the connected location. - View Dependent Claims (21)
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22. A cache server device for use in an information delivery system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, using a plurality of cache servers provided in association with the wireless network, the cache server device comprising:
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a cache memory configured to cache WWW information provided by the information servers; and
a caching processing unit configured to acquire selected WWW information specifically selected for a particular mobile computer from the information servers and store the selected WWW information into the cache memory, when the cache server device is included in one or more cache servers located nearby a connected location of the particular mobile computer according to message indicating at least a the connection location of the particular mobile computer in the wireless network which is sent by the particular mobile computer, so as to enable faster accesses to the selected WWW information by the particular mobile computer at the connected location.
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23. A cache server device for use in an information delivery system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, using a plurality of cache servers provided in association with the wireless network, the cache server device comprising:
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a cache memory configured to cache WWW information provided by the Information servers; and
a caching processing unit configured to acquire from an Information server selected WWW information specifically selected for a particular information provider who provides WWW information from the information server and store the selected WWW information into the cache memory, when the cache server device is included in one or more cache servers located within a geographic range defined for the particular information provider, so as to enable faster accesses to the selected WWW information of the particular information provider by any mobile computer that is located within the geographic range defined for the particular information provider.
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24. A method for providing a caching service with respect to a particular user in a system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, the method comprising the steps of:
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registering the particular user as a premier user in an information delivery system having a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers; and
upon receiving a message indicating at least a connected location of a particular mobile computer in the wireless network from the particular mobile computer operated by the particular user, selecting one or more cache servers located nearby the connected location of the particular mobile computer according to the message and controlling said one or more cache servers to cache selected WWW information specifically selected for the particular user of the particular mobile computer, so as to enable faster accesses to the selected WWW information by the particular mobile computer at the connected location.
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25. A method for providing a caching service with respect to a particular information provider in a system for delivering WWW information provided by information servers on Internet to mobile computers connected to the Internet through a wireless network, the method comprising the steps of:
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registering the particular information provider who provides WWW information from an information server as a premier sponsor in an information delivery system having a plurality of cache servers provided in association with the wireless network and configured to be capable of caching WWW information provided by the information servers; and
selecting one or more cache servers located within a geographic range defined for the particular information provider, and controlling said one or more cache servers to cache selected WWW information specifically selected for the particular information provider, so as to enable faster accesses to the selected WWW information of the particular information provider by any mobile computer that is located within the geographic range defined for the particular information provider.
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Specification