Title:
NETWORK SYSTEM AND NETWORK CONTROL METHOD
Document Type and Number:
Japanese Patent JP2001257700
Kind Code:
A
Abstract:
To provide a network system where the nodes of common constitutions are used for constructing a network and the network start/restoration control is attained with a simple constitution.
In a ring network system where a plurality of nodes are connected together and duplexed, a detection means is prepared to every node for detecting the types of its adjacent nodes together with a decision means which decides its own node type from the types of upstream and downstream nodes which are detected by the detection means.
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Inventors:
NAKADA TORU
Application Number:
JP2000069327A
Publication Date:
September 21, 2001
Filing Date:
March 13, 2000
Export Citation:
Assignee:
CANON KK
International Classes:
G06F13/00; G06F15/177; H04L12/437; (IPC1-7): H04L12/437; G06F13/00; G06F15/177
Attorney, Agent or Firm:
Yasunori Otsuka (2 outside)
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