Title:
リングノード装置及びリングノード冗長方法
Document Type and Number:
Japanese Patent JP4705492
Kind Code:
B2
Abstract:
A ring node device includes a main Resilient Packet Ring (RPR) card and a queued RPR card. Upon detection of disconnection of a communication link between the main RPR card and an L2/L3 switch, the ring node device exercises control to switch from the main RPR card to the queued RPR card and carries out communication with the L2/L3 switch.
Inventors:
Masanori Kondo
Toshihiro Ban
Fukagawa Yasushi
Kazuhiro Minamimoto
Toshihiro Ban
Fukagawa Yasushi
Kazuhiro Minamimoto
Application Number:
JP2006075293A
Publication Date:
June 22, 2011
Filing Date:
March 17, 2006
Export Citation:
Assignee:
富士通株式会社
International Classes:
H04L12/437; H04L69/40
Domestic Patent References:
| JP2006074639A | ||||
| JP2006060704A | ||||
| JP4151926A | ||||
| JP9261235A |
Foreign References:
| WO2006129701A1 |
Attorney, Agent or Firm:
Hiroaki Sakai