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公开(公告)号：US12028243B2
公开(公告)日：2024-07-02
申请号：US17630208
申请日：2020-07-30
发明人： Arifumi Matsumoto , Takuto Kimura , Aomi Jokoji
IPC分类号： H04L45/302
CPC分类号： H04L45/302
摘要： A routing control device of the present invention includes: a storage unit that stores, for each IP address block, a next hop, information on a route to the IP address block, and quality information regarding the route; a quality requirement determination unit that receives communication data bound for a communication destination host and determines a quality requirement of the communication data; and a next hop selection unit that references the storage unit and selects a next hop for the communication data based on quality information regarding a route to an IP address block to which an IP address of the communication destination host belongs and the quality requirement.
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公开(公告)号：US12047658B2
公开(公告)日：2024-07-23
申请号：US17607576
申请日：2020-05-08
IPC分类号： H04N21/6373 , G06F17/18
CPC分类号： H04N21/6373 , G06F17/18
摘要： A moving image control apparatus is a control device that realizes bitrate control in a moving image streaming service, which includes a calculation means for calculating a quality target value used for the bitrate control such that a utility function including a predetermined engagement index value is optimized through Bayesian optimization.
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公开(公告)号：US20220286386A1
公开(公告)日：2022-09-08
申请号：US17630208
申请日：2020-07-30
发明人： Arifumi Matsumoto , Takuto Kimura , Aomi Jokoji
IPC分类号： H04L45/302
摘要： A routing control device of the present invention includes: a storage unit that stores, for each IP address block, a next hop, information on a route to the IP address block, and quality information regarding the route; a quality requirement determination unit that receives communication data bound for a communication destination host and determines a quality requirement of the communication data; and a next hop selection unit that references the storage unit and selects a next hop for the communication data based on quality information regarding a route to an IP address block to which an IP address of the communication destination host belongs and the quality requirement.
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公开(公告)号：US20220060538A1
公开(公告)日：2022-02-24
申请号：US17413837
申请日：2019-12-05
发明人： Takuto Kimura , Arifumi Matsumoto , Hideaki Kinsho
IPC分类号： H04L29/08
摘要： A server selection devices includes: an acquisition unit for acquiring, regarding each of a plurality of servers having the same content, a list of quality information corresponding to communication environment information regarding a source of request for download of the content; and a selection unit for selecting one of the plurality of servers based on the list of the quality information regarding each of the plurality of servers and a cost associated with download of the content. Thus, a destination of a content download request can be selected while giving consideration to not only quality but also cost.
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公开(公告)号：US11470145B2
公开(公告)日：2022-10-11
申请号：US17413837
申请日：2019-12-05
发明人： Takuto Kimura , Arifumi Matsumoto , Hideaki Kinsho
IPC分类号： G06F15/16 , H04L67/1001
摘要： A server selection devices includes: an acquisition unit for acquiring, regarding each of a plurality of servers having the same content, a list of quality information corresponding to communication environment information regarding a source of request for download of the content; and a selection unit for selecting one of the plurality of servers based on the list of the quality information regarding each of the plurality of servers and a cost associated with download of the content. Thus, a destination of a content download request can be selected while giving consideration to not only quality but also cost.
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公开(公告)号：US11165858B2
公开(公告)日：2021-11-02
申请号：US16966714
申请日：2019-02-04
发明人： Takuto Kimura , Arifumi Matsumoto
摘要： A server selection device includes: an acquisition unit that acquires communication environment information indicating communication environment and quality information indicating communication quality for each of communications made regarding each of a plurality of servers that are candidates for distribution of content to a client; a calculator that calculates a score reflecting probabilistic deterioration in communication quality for each of combinations between a server and communication environment information based on a history of the communication environment information and the quality information acquired by the acquisition unit; and a selector that selects a server to deliver content to the client based on the score calculated by the calculator, thereby enabling the selection of a server less likely to affect the quality of experience.
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公开(公告)号：US20210037088A1
公开(公告)日：2021-02-04
申请号：US16966714
申请日：2019-02-04
发明人： Takuto Kimura , Arifumi Matsumoto
IPC分类号： H04L29/08
摘要： A server selection device includes: an acquisition unit that acquires communication environment information indicating communication environment and quality information indicating communication quality for each of communications made regarding each of a plurality of servers that are candidates for distribution of content to a client; a calculator that calculates a score reflecting probabilistic deterioration in communication quality for each of combinations between a server and communication environment information based on a history of the communication environment information and the quality information acquired by the acquisition unit; and a selector that selects a server to deliver content to the client based on the score calculated by the calculator, thereby enabling the selection of a server less likely to affect the quality of experience.
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公开(公告)号：US10462520B2
公开(公告)日：2019-10-29
申请号：US16076635
申请日：2017-02-09
IPC分类号： H04N7/173 , H04N21/442 , H04N21/437 , H04N21/647
摘要： A pacing control device to perform pacing control on a content distributed from a content distribution device that performs streaming-based content distribution, includes an obtainer configured to obtain a communication quality threshold that corresponds to a communication environment in the pacing control device; and a controller configured not to make a request for the content to the content distribution device in a case where a communication quality in the pacing control device is lower than the communication quality threshold, and to make the request for the content to the content distribution device in a case where the communication quality is higher than the communication quality threshold.
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