Kiyohiko Okayama

35 papers B 1Journal 15Unranked 19
YearRankTypeTitle / Venue / Authors
2018 J jnl
Design and Implementation of SDN-Based Proactive Firewall System in Collaboration with Domain Name Resolution.
IEICE Trans. Inf. Syst.
Hiroya Ikarashi, Yong Jin, Nariyoshi Yamai, Naoya Kitagawa, Kiyohiko Okayama
2015 — conf
Design and Implementation of Client IP Notification Feature on DNS for Proactive Firewall System.
COMPSAC Workshops
Tomokazu Otsuka, Gada, Nariyoshi Yamai, Kiyohiko Okayama, Yong Jin
2015 J jnl
Design and Implementation of Optimal Route Selection Mechanism for Outbound Connections on IPv6 Multihoming Environment.
J. Inf. Process.
Yong Jin, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2014 J jnl
Domain Registration Date Retrieval System for Improving Spam Mail Discrimination.
J. Inf. Process.
Nariyoshi Yamai, Masayuki Matsuoka, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura, Masato Minda
2014 B conf
Performance Improvement of SCTP Communication Using Selective Bicasting on Lossy Multihoming Environment.
COMPSAC
Koki Okamoto, Nariyoshi Yamai, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura, Tokumi Yokohira
2013 J jnl
A Configuration of Location Free Network Applicable to Location Dependent Services.
Inf. Media Technol.
Yoshihiro Ohsumi, Kiyohiko Okayama, Nariyoshi Yamai
2013 J jnl
A Configuration of Location Free Network Applicable to Location Dependent Services.
J. Inf. Process.
Yoshihiro Ohsumi, Kiyohiko Okayama, Nariyoshi Yamai
2013 J jnl
A Site-Exit Router Selection Method Using Routing Header in IPv6 Site Multihoming.
Inf. Media Technol.
Yong Jin, Takuya Yamaguchi, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2013 J jnl
A Site-Exit Router Selection Method Using Routing Header in IPv6 Site Multihoming.
J. Inf. Process.
Yong Jin, Takuya Yamaguchi, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2013 — conf
An Optimal Route Selection Mechanism for Outbound Connection on IPv6 Site Multihoming Environment.
COMPSAC Workshops
Takuya Yamaguchi, Yong Jin, Nariyoshi Yamai, Kiyohiko Okayama, Koki Okamoto, Motonori Nakamura
2013 — conf
Domain Registration Date Retrieval System of URLs in E-Mail Messages for Improving Spam Discrimination.
COMPSAC Workshops
Masayuki Matsuoka, Nariyoshi Yamai, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura, Masato Minda
2013 — conf
E-Mail Priority Delivery System with Dynamic Whitelist in the Layer 3 Switch.
COMPSAC Workshops
Gada, Nariyoshi Yamai, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura
2012 — conf
A Location Free Network System Applicable to Geographical Terms of the Electronic Journal Site License.
SAINT
Yoshihiro Ohsumi, Kiyohiko Okayama, Nariyoshi Yamai, Takaoki Fujiwara, Takashi Hieda
2012 J jnl
An Adaptive Route Selection Mechanism Per Connection Based on Multipath DNS Round Trip Time on Multihomed Networks.
Inf. Media Technol.
Yong Jin, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2012 J jnl
An Adaptive Route Selection Mechanism Per Connection Based on Multipath DNS Round Trip Time on Multihomed Networks.
J. Inf. Process.
Yong Jin, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2012 — conf
Multihoming Method Using Routing Header in IPv6 Environment.
SAINT
Takuya Yamaguchi, Yong Jin, Ryoichi Tokumoto, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2012 — conf
Spam Mail Discrimination System Based on Behavior of DNS Servers Associated with URLs.
SAINT
Shuji Suwa, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura, Keita Kawano, Gada
2011 — conf
An Identification Method of PCs behind NAT Router with Proxy Authentication on HTTP Communication.
SAINT
Yoshiki Ishikawa, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2011 — conf
DNS Resource Record Analysis of URLs in E-Mail Messages for Improving Spam Filtering.
SAINT
Shuji Suwa, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2010 — conf
A Dynamic Routing Method for Inbound E-mail Delivery Considering Route and MTA Conditions on Multihomed Environment.
SAINT
Sho Jitsuto, Yong Jin, Kiyohiko Okayama, Nariyoshi Yamai
2010 — conf
A MAC-address Relaying NAT Router for PC Identification from Outside of a LAN.
SAINT
Ryo Murakami, Nariyoshi Yamai, Kiyohiko Okayama
2010 — conf
A Solution for Mail Forwarding Problem of SPF by Tracing Recipient Addresses.
SAINT
Takumi Seike, Yong Jin, Nariyoshi Yamai, Kiyohiko Okayama, Keita Kawano, Motonori Nakamura
2010 — conf
An Adaptive Route Selection Mechanism per Connection Based on Multipath DNS Round Trip Time on Multihomed Networks.
SAINT
Yong Jin, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura
2007 — conf
An Efficient Management Method of Access Policies for Hierarchical Virtual Private Networks.
COMSWARE
Kiyohiko Okayama, Nariyoshi Yamai, Hayato Ishibashi, Kota Abe, Toshio Matsuura
2007 J jnl
Effect of Premature ACK Transmission Timing on Throughput in TCP with a Performance Enhancing Proxy.
IEICE Trans. Commun.
Hui Wang, Shigeyuki Osada, Tokumi Yokohira, Kiyohiko Okayama, Nariyoshi Yamai
2006 J jnl
High-Speed Calculation of Worst-Case Link Delays in the EDD Connection Admission Control Scheme.
IEICE Trans. Commun.
Tokumi Yokohira, Kiyohiko Okayama
2006 — conf
Priority Control in Receiving E-mails by Giving a Separate Response to Each DNS Query.
SAINT
Shin Maruyama, Motonori Nakamura, Yasuo Okabe, Nariyoshi Yamai, Kiyohiko Okayama, Takuya Miyashita
2005 — conf
A Protection Method Against Massive Error Mails Caused by Sender Spoofed Spam Mails.
SAINT
Nariyoshi Yamai, Kiyohiko Okayama, Takuya Miyashita, Shin Maruyama, Motonori Nakamura
2005 J jnl
An Optical-Drop Wavelength Assignment Algorithm for Efficient Wavelength Reuse under Heterogeneous Traffic in WDM Ring Networks.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Nobuo Funabiki, Jun Kawashima, Toru Nakanishi, Kiyohiko Okayama, Teruo Higashino
2005 J jnl
Node Placement Algorithms in the Case that Routes are Design Variables in Shuffle-Like Multihop Lightwave Networks.
IEICE Trans. Commun.
Tokumi Yokohira, Kiyohiko Okayama
2003 — conf
A two-stage hierarchical algorithm for wavelength assignment in WDM-based Bidirectional Manhattan Street Networks.
ICON
Tomoya Kitani, Masataka Yonedu, Nobuo Funabiki, Tom Nakanishi, Kiyohiko Okayama, Teruo Higashino
2003 — conf
New Approach for Configuring Hierarchical Virtual Private Networks Using Proxy Gateways.
ICOIN
Hayato Ishibashi, Kiyohiko Okayama, Nariyoshi Yamai, Kota Abe, Toshio Matsuura
2001 — conf
A dynamic traffic sharing with minimal administration on multihomed networks.
ICC
Nariyoshi Yamai, Kiyohiko Okayama, Hiroshi Shimamoto, Takuji Okamoto
2000 J jnl
Design and implementation of network management system SPLICE/NM based on scripted operations.
Syst. Comput. Jpn.
Kiyohiko Okayama, Suguru Yamaguchi, Hideo Miyahara
1998 J jnl
Design and implementation of a hybrid prefetching proxy server for WWW.
Syst. Comput. Jpn.
Ken-ichi Chinen, Hiroyuki Inoue, Kiyohiko Okayama, Suguru Yamaguchi