Monitoring device, network system, topology management method, and computer-readable recording medium

A monitoring device and network system technology, applied in the field of monitoring programs, can solve problems such as no topology detection function

Active Publication Date: 2022-03-08
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no provision for topology detection in the ERP protocol

Method used

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  • Monitoring device, network system, topology management method, and computer-readable recording medium
  • Monitoring device, network system, topology management method, and computer-readable recording medium
  • Monitoring device, network system, topology management method, and computer-readable recording medium

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Experimental program
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Embodiment approach 1

[0031] use Figure 1 to Figure 12 , to describe this embodiment.

[0032] ***Description of structure***

[0033] refer to figure 1 as well as figure 2 , the configuration of the node device 10 according to this embodiment will be described.

[0034] The node device 10 is a computer.

[0035] Such as figure 1 As shown, the node device 10 includes a processor 11 and other hardware such as a memory 12 , an ERP function circuit 13 , a loop network interface 14 , and a local link interface 15 . The processor 11 is connected to other hardware via signal lines to control the other hardware.

[0036] Such as figure 2 As shown, the node device 10 includes a control unit 20 , an ERP function unit 21 , a physical interface unit 22 , a physical interface unit 23 , and a LAN interface unit 24 as functional elements. "LAN" is the abbreviation of Local Area Network (local area network). The control unit 20 includes a table creation unit 25 . The ERP function unit 21 includes a n...

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Abstract

An information acquisition unit (53) of a monitoring device (40) acquires, from each node, topology map information created by each node through information exchange and information sharing among nodes belonging to the ring network. The topology map information is information indicating the connection relationship between nodes in the ring network. The topology comparison unit (54) of the monitoring device (40) compares the topology mapping information acquired from each node by the information acquisition unit (53) with the topology definition information previously stored in the memory (42), and judges whether the structure of the loop network is Same as design. The topology definition information is information that defines connection relationships between nodes in the ring network.

Description

technical field [0001] The invention relates to a monitoring device, a network system, a topology management method and a monitoring program. Background technique [0002] As protocols used in the ring network, there are RPR and ERP that multiplex user frames on the ring network and transmit them to terminals connected to the network, and perform path switching in 50 ms when a network failure occurs. "RPR" is the abbreviation of Resilient Protection Ring (Resilient Protection Ring). "ERP" is the abbreviation of Ethernet (registered trademark) Ring Protection (Ethernet Ring Protection). RPR is standardized through IEEE 802.17, and ERP is standardized through ITU-TG.8023. The RPR protocol has a topology detection function based on topology discovery (Topology Discovery), so nodes can perform topology detection within a ring, but there are no regulations related to topology detection when a multi-ring network is formed. There is no regulation of topology detection function i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/42
CPCH04L12/42H04L45/18H04L45/20H04L45/02H04L41/12H04L41/0853H04L41/0866H04L2012/421
Inventor 堀田善文谷口幸子松下竜真
Owner MITSUBISHI ELECTRIC CORP
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