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Dive into the research topics where Hironori Sakakihara is active.

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Featured researches published by Hironori Sakakihara.


consumer communications and networking conference | 2011

Churn-resistant method for DHT-based content delivery systems

Hisayuki Ohmata; Kiyohiko Ishikawa; Hironori Sakakihara; Toru Kamiwada

This paper describes a churn-resistant method for distributed hash table-based content delivery systems. We propose two algorithms; one involves multiple nodes synchronizing content indexes, the other involves leaving nodes transferring content indexes to joining nodes. Our proposed method was evaluated by a simulation estimated in a high churn environment. As a result, our method improved the sustainability of content indexes against churn without increasing network traffic.


Archive | 2010

AUTHENTICATION SYSTEM, AUTHENTICATION DEVICE AND RECORDING MEDIUM

Hironori Sakakihara; Fumio Honda; Noboru Iwamatsu; Kiyohiko Ishikawa; Shunji Sunasaki; Arisa Fujii


Archive | 2008

Information processing apparatus and license distribution system

Hironori Sakakihara; Fumio Honda; Shuichi Matsumura


Archive | 2009

COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND COMPUTER PROGRAM

Hironori Sakakihara; Naoki Nishiguchi


Archive | 2011

Communication terminal device, computer program, and content search method

Toru Kamiwada; Hironori Sakakihara


Archive | 2012

METHOD OF INFERRING USER' DIRECTION, DIRECTION INFERRING APPARATUS, AND TERMINAL APPARATUS

Hironori Sakakihara


Archive | 2011

NODE APPARATUS AND COMPUTER-READABLE STORAGE MEDIUM FOR COMPUTER PROGRAM

Hironori Sakakihara; Toru Kamiwada; Kiyohiko Ishikawa; Hisayuki Ohmata


Archive | 2009

Managing apparatus, managing method, managing system and computer product

Eiji Hasegawa; Hironori Sakakihara; Fumio Honda


Archive | 2009

Content delivery apparatus, communication system, content delivery method, and computer product

Eiji Hasegawa; Hironori Sakakihara; Fumio Honda


Archive | 2013

METHOD FOR CONTROLLING INFORMATION PROCESSING SYSTEM, SERVER DEVICE, AND CLIENT DEVICE

Hironori Sakakihara

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