Title:
ROUTE SWITCHING METHOD, SERVER APPARATUS, BOUNDARY NODE APPARATUS, ROUTE SWITCHING SYSTEM, AND ROUTE SWITCHING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2010/001883
Kind Code:
A1
Abstract:
Provided is a network switching technique for establishing a high-reliability path, with consideration of the time axis, in response to a request for a connection from a user. A server apparatus (5) includes a connection-request receiving means (201), a resource managing means (202) for managing the resources of a core network (2), a route calculating means (203) for calculating the route of an operation-side path (61) and the route of an auxiliary-side path (63) in response to a request for a connection from a user, a high-reliability-path requesting means (204) for requesting that an originator node apparatus (10) establish the operating-side path (61), a response receiving means (205) for receiving a response to a request for the operating-side path (61), an operating-side path establishment signal receiving means (206), an auxiliary-side path establishment signal receiving means (207) for receiving the path switched by the originator node apparatus (10), a path information updating means (208), and a storage means (209).
Inventors:
SHIMIZU Kaori (9-11 Midori-cho 3-Chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
清水 香里 (〒85 東京都武蔵野市緑町３丁目９－１１ ＮＴＴ 知的財産センタ内 Tokyo, 〒1808585, JP)
INOUE Ichiro (9-11 Midori-cho 3-Chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
井上 一郎 (〒85 東京都武蔵野市緑町３丁目９－１１ ＮＴＴ 知的財産センタ内 Tokyo, 〒1808585, JP)
清水 香里 (〒85 東京都武蔵野市緑町３丁目９－１１ ＮＴＴ 知的財産センタ内 Tokyo, 〒1808585, JP)
INOUE Ichiro (9-11 Midori-cho 3-Chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
井上 一郎 (〒85 東京都武蔵野市緑町３丁目９－１１ ＮＴＴ 知的財産センタ内 Tokyo, 〒1808585, JP)
Application Number:
JP2009/061925
Publication Date:
January 07, 2010
Filing Date:
June 30, 2009
Export Citation:
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (3-1 Otemachi 2-chome, Chiyoda-ku Tokyo, 16, 〒1008116, JP)
日本電信電話株式会社 (〒16 東京都千代田区大手町二丁目３番１号 Tokyo, 〒1008116, JP)
Inter-University Research Institute Corporation / Research Organization of Information and Systems (4-6-7 Minami-Azabu, Minato-ku Tokyo, 69, 〒1068569, JP)
大学共同利用機関法人情報・システム研究機構 (〒69 東京都港区南麻布４丁目６番７号 Tokyo, 〒1068569, JP)
SHIMIZU Kaori (9-11 Midori-cho 3-Chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
清水 香里 (〒85 東京都武蔵野市緑町３丁目９－１１ ＮＴＴ 知的財産センタ内 Tokyo, 〒1808585, JP)
日本電信電話株式会社 (〒16 東京都千代田区大手町二丁目３番１号 Tokyo, 〒1008116, JP)
Inter-University Research Institute Corporation / Research Organization of Information and Systems (4-6-7 Minami-Azabu, Minato-ku Tokyo, 69, 〒1068569, JP)
大学共同利用機関法人情報・システム研究機構 (〒69 東京都港区南麻布４丁目６番７号 Tokyo, 〒1068569, JP)
SHIMIZU Kaori (9-11 Midori-cho 3-Chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
清水 香里 (〒85 東京都武蔵野市緑町３丁目９－１１ ＮＴＴ 知的財産センタ内 Tokyo, 〒1808585, JP)
International Classes:
H04L12/56
Attorney, Agent or Firm:
ISONO Michizo et al. (Sabo Kaikan Annex 7-4, Hirakawa-cho 2-chome, Chiyoda-k, Tokyo 93, 〒1020093, JP)