2007 |
10 | EE | Kiyohiko Okayama,
Nariyoshi Yamai,
Hayato Ishibashi,
Kota Abe,
Toshio Matsuura:
An Efficient Management Method of Access Policies for Hierarchical Virtual Private Networks.
COMSWARE 2007 |
9 | EE | Hui Wang,
Shigeyuki Osada,
Tokumi Yokohira,
Kiyohiko Okayama,
Nariyoshi Yamai:
Effect of Premature ACK Transmission Timing on Throughput in TCP with a Performance Enhancing Proxy.
IEICE Transactions 90-B(1): 31-41 (2007) |
2006 |
8 | EE | Shin Maruyama,
Motonori Nakamura,
Yasuo Okabe,
Nariyoshi Yamai,
Kiyohiko Okayama,
Takuya Miyashita:
Priority Control in Receiving E-mails by Giving a Separate Response to Each DNS Query.
SAINT 2006: 90-93 |
7 | EE | Tokumi Yokohira,
Kiyohiko Okayama:
High-Speed Calculation of Worst-Case Link Delays in the EDD Connection Admission Control Scheme.
IEICE Transactions 89-B(7): 2012-2022 (2006) |
2005 |
6 | EE | Nariyoshi Yamai,
Kiyohiko Okayama,
Takuya Miyashita,
Shin Maruyama,
Motonori Nakamura:
A Protection Method Against Massive Error Mails Caused by Sender Spoofed Spam Mails.
SAINT 2005: 384-390 |
5 | EE | Nobuo Funabiki,
Jun Kawashima,
Toru Nakanishi,
Kiyohiko Okayama,
Teruo Higashino:
An Optical-Drop Wavelength Assignment Algorithm for Efficient Wavelength Reuse under Heterogeneous Traffic in WDM Ring Networks.
IEICE Transactions 88-A(5): 1234-1240 (2005) |
4 | EE | Tokumi Yokohira,
Kiyohiko Okayama:
Node Placement Algorithms in the Case that Routes are Design Variables in Shuffle-Like Multihop Lightwave Networks.
IEICE Transactions 88-B(12): 4578-4587 (2005) |
2003 |
3 | EE | Hayato Ishibashi,
Kiyohiko Okayama,
Nariyoshi Yamai,
Kota Abe,
Toshio Matsuura:
New Approach for Configuring Hierarchical Virtual Private Networks Using Proxy Gateways.
ICOIN 2003: 772-782 |
2000 |
2 | EE | Kiyohiko Okayama,
Suguru Yamaguchi,
Hideo Miyahara:
Design and implementation of network management system SPLICE/NM based on scripted operations.
Systems and Computers in Japan 31(9): 89-99 (2000) |
1998 |
1 | EE | Ken-ichi Chinen,
Hiroyuki Inoue,
Kiyohiko Okayama,
Suguru Yamaguchi:
Design and implementation of a hybrid prefetching proxy server for WWW.
Systems and Computers in Japan 29(12): 57-65 (1998) |