Title:
経路切替方法、サーバ装置、境界ノード装置、経路切替システム及び経路切替プログラム
Document Type and Number:
Japanese Patent JP5062845
Kind Code:
B2
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:
Kaori Shimizu
Ichiro Inoue
Shiomoto Kohei
Shigeo Urushiya
Ichiro Inoue
Shiomoto Kohei
Shigeo Urushiya
Application Number:
JP2008169950A
Publication Date:
October 31, 2012
Filing Date:
June 30, 2008
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
Inter-university research institute corporation information and systems research institute
Inter-university research institute corporation information and systems research institute
International Classes:
H04L45/02; H04L45/24; H04L45/247; H04L45/42
Domestic Patent References:
| JP11284633A | ||||
| JP2007166433A | ||||
| JP200861196A | ||||
| JP2000341289A | ||||
| JP200145009A | ||||
| JP200294510A | ||||
| JP2003229889A | ||||
| JP2001251343A | ||||
| JP2008503117A | ||||
| JP637783A | ||||
| JP2004165794A | ||||
| JP2004304456A | ||||
| JP2005159983A |
Attorney, Agent or Firm:
Isono Dozo
Megumi Oishi
Shinji Nakamura
Megumi Oishi
Shinji Nakamura