Title:
DESTINATION FIXING CONNECTION MANAGEMENT SYSTEM FOR SWITCHING NETWORK, NODE MANAGEMENT SYSTEM AND NODE
Document Type and Number:
Japanese Patent JPH07297854
Kind Code:
A
Abstract:
PURPOSE: To provide a destination fixing connection management system for switching network which eliminates the need of a special monitor node and transmits the defect of the connection state of a PVC to all nodes on this PVC without giving an unnecessary load to the transmission line.
CONSTITUTION: Polling is periodically performed between nodes 1. If drop-out of periodical polling from an adjacent node 1a is detected three times, a node 1b recognizes the occurrence of the defect of the link state. The node 1b notifies it to a node 1c in the next stage on PVC passing this link that this PVC is ineffective.
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Inventors:
SUZUKI YUKO
Application Number:
JP9273994A
Publication Date:
November 10, 1995
Filing Date:
April 28, 1994
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
H04L12/24; H04L12/26; H04L12/70; (IPC1-7): H04L12/56
Attorney, Agent or Firm:
Tsutomu Toyama (1 outside)