About GOTO Nasato
About Univ. of Tsukuba
About KANAOKA Akira
About Toho Univ.
About OKADA Masayuki
About Japan Network Information Center
About OKAMOTO Eiji
About Univ. of Tsukuba
About Journal of Information Processing (Web)
About security
About network
About marking
About packet switching
About router(telecommunication)
About internet
About reliability(property)
About network security
About Network reliability
About packet marking
About Telephone,data communication and exchange in general
About エンドツーエンド