公开(公告)号：US11470145B2

公开(公告)日：2022-10-11

申请号：US17413837

申请日：2019-12-05

申请人： Nippon Telegraph and Telephone Corporation

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.

公开(公告)号：US11805074B2

公开(公告)日：2023-10-31

申请号：US17800078

申请日：2020-08-27

申请人： Nippon Telegraph and Telephone Corporation

发明人： Hideaki Kinsho ,  Takuto Kimura ,  Taichi Kawano ,  Kazuhisa Yamagishi

IPC分类号： H04L47/80 ,  H04L67/141

CPC分类号： H04L47/803 ,  H04L47/805 ,  H04L67/141

摘要： A control apparatus includes an acquisition unit that acquires application information related to at least one of a plurality of sessions at a plurality of timings for each of the plurality of sessions related to a plurality of types of applications that are communicating in a network, a search unit that searches for an allocation band of each of the plurality of sessions at the plurality of timings based on a QoE prediction value of each of the plurality of sessions derived from the application information and a condition for a band of the network, and a control unit that controls allocation of a band for each of the plurality of sessions at the plurality of timings based on the allocation band searched by the search unit.

公开(公告)号：US20220060538A1

公开(公告)日：2022-02-24

申请号：US17413837

申请日：2019-12-05

申请人： Nippon Telegraph and Telephone Corporation

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.