Kiyohiko Okayama - researchr alias

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Viewing Publication 1 - 32 from 32

2018

Design and Implementation of SDN-Based Proactive Firewall System in Collaboration with Domain Name ResolutionHiroya Ikarashi, Yong Jin, Nariyoshi Yamai, Naoya Kitagawa, Kiyohiko Okayama. ieicet, 101-D(11):2633-2643, 2018. [doi]

2015

Design and Implementation of Optimal Route Selection Mechanism for Outbound Connections on IPv6 Multihoming EnvironmentYong Jin, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura. jip, 23(4):441-448, 2015. [doi]

Design and Implementation of Client IP Notification Feature on DNS for Proactive Firewall SystemTomokazu Otsuka, Gada, Nariyoshi Yamai, Kiyohiko Okayama, Yong Jin. compsac 2015: 127-132 [doi]

2014

Performance Improvement of SCTP Communication Using Selective Bicasting on Lossy Multihoming EnvironmentKoki Okamoto, Nariyoshi Yamai, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura, Tokumi Yokohira. compsac 2014: 551-557 [doi]

Domain Registration Date Retrieval System for Improving Spam Mail DiscriminationNariyoshi Yamai, Masayuki Matsuoka, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura, Masato Minda. jip, 22(3):480-485, 2014. [doi]

2013

E-Mail Priority Delivery System with Dynamic Whitelist in the Layer 3 SwitchGada, Nariyoshi Yamai, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura. compsac 2013: 581-586 [doi]

A Site-Exit Router Selection Method Using Routing Header in IPv6 Site MultihomingYong Jin, Takuya Yamaguchi, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura. jip, 21(3):441-449, 2013. [doi]

Domain Registration Date Retrieval System of URLs in E-Mail Messages for Improving Spam DiscriminationMasayuki Matsuoka, Nariyoshi Yamai, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura, Masato Minda. compsac 2013: 587-592 [doi]

A Configuration of Location Free Network Applicable to Location Dependent ServicesYoshihiro Ohsumi, Kiyohiko Okayama, Nariyoshi Yamai. jip, 21(3):433-440, 2013. [doi]

An Optimal Route Selection Mechanism for Outbound Connection on IPv6 Site Multihoming EnvironmentTakuya Yamaguchi, Yong Jin, Nariyoshi Yamai, Kiyohiko Okayama, Koki Okamoto, Motonori Nakamura. compsac 2013: 575-580 [doi]

2012

2011

An Identification Method of PCs behind NAT Router with Proxy Authentication on HTTP CommunicationYoshiki Ishikawa, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura. saint 2011: 445-450 [doi]

DNS Resource Record Analysis of URLs in E-Mail Messages for Improving Spam FilteringShuji Suwa, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura. saint 2011: 439-444 [doi]

2010

2007

An Efficient Management Method of Access Policies for Hierarchical Virtual Private NetworksKiyohiko Okayama, Nariyoshi Yamai, Hayato Ishibashi, Kota Abe, Toshio Matsuura. comsware 2007: [doi]

Effect of Premature ACK Transmission Timing on Throughput in TCP with a Performance Enhancing ProxyHui Wang, Shigeyuki Osada, Tokumi Yokohira, Kiyohiko Okayama, Nariyoshi Yamai. ieicet, 90-B(1):31-41, 2007. [doi]

2006

Priority Control in Receiving E-mails by Giving a Separate Response to Each DNS QueryShin Maruyama, Motonori Nakamura, Yasuo Okabe, Nariyoshi Yamai, Kiyohiko Okayama, Takuya Miyashita. saint 2006: 90-93 [doi]

High-Speed Calculation of Worst-Case Link Delays in the EDD Connection Admission Control SchemeTokumi Yokohira, Kiyohiko Okayama. ieicet, 89-B(7):2012-2022, 2006. [doi]

2005

2003

New Approach for Configuring Hierarchical Virtual Private Networks Using Proxy GatewaysHayato Ishibashi, Kiyohiko Okayama, Nariyoshi Yamai, Kota Abe, Toshio Matsuura. icoin 2003: 772-782 [doi]

A two-stage hierarchical algorithm for wavelength assignment in WDM-based Bidirectional Manhattan Street NetworksTomoya Kitani, Masataka Yonedu, Nobuo Funabiki, Tom Nakanishi, Kiyohiko Okayama, Teruo Higashino. icon 2003: 419-424 [doi]

2001

A dynamic traffic sharing with minimal administration on multihomed networksNariyoshi Yamai, Kiyohiko Okayama, Hiroshi Shimamoto, Takuji Okamoto. icc 2001: 1506-1510 [doi]

2000

Design and implementation of network management system SPLICE/NM based on scripted operationsKiyohiko Okayama, Suguru Yamaguchi, Hideo Miyahara. scjapan, 31(9):89-99, 2000. [doi]

1998

Design and implementation of a hybrid prefetching proxy server for WWWKen-ichi Chinen, Hiroyuki Inoue, Kiyohiko Okayama, Suguru Yamaguchi. scjapan, 29(12):57-65, 1998. [doi]

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2018

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2005

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2000

1998

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