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Apparatus and methods for managing nodes on a fault tolerant network

一种网络、节点的技术，应用在通信业务领域，能够解决设备控制丧失、失去可见性等问题

Inactive Publication Date: 2008-10-22
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In a fault-tolerant network deployed in a critical application, this failure mode may cause the node or other nodes on the network to lose visibility (visibility)
In some cases, this failure can cause a loss of control over devices associated with the node

Method used

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  • Apparatus and methods for managing nodes on a fault tolerant network
  • Apparatus and methods for managing nodes on a fault tolerant network
  • Apparatus and methods for managing nodes on a fault tolerant network

Examples

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Embodiment Construction

[0016] like figure 1 As shown in , fault-tolerant network 100 provides nodes with additional devices and communication channels for network communication. Network communications are transmitted and received over two or more communication channels. A first communication channel 102 provides network communication between nodes. If the first communication channel 102 fails, a fault tolerance manager (not shown) may reroute the communication over the second communication channel 104 .

[0017] Fault-tolerant network 100 may include nodes with multiple network interface cards, such as figure 1 Node A and Node B shown in . Fault-tolerant network 100 may also include nodes, such as node C and node D, having a single network interface card coupled to a communication channel of the network. According to an exemplary embodiment, switch 106 is provided to control communication traffic on network communication channels 102 and 104 . The switch 106 may terminate network traffic on the...

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PUM

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Abstract

Devices, systems and methods for managing communications traffic on a fault tolerant network are disclosed. The exemplary system may include a fault tolerant network with at least two nodes and at least two channels of communication. Each channel of communication is in communication with each of the two nodes. Each node selectively communicates on one of the plurality of channels. A switch is in communication with the at least two channels. The switch receives network traffic and terminates network traffic on one or more of the channels. The termination of network traffic causes a fault tolerance manager to reroute network traffic on one of the two communication channels based on received network traffic.

Description

technical field [0001] The present invention relates generally to computer networks, and more particularly to managing communication traffic over faulttolerant networks. Background technique [0002] A network provides communication from one node on the network to other nodes on the network. Nodes may include various devices that utilize a network to communicate information to other devices on the network. For example, a workstation on a network can communicate with a server or a printer on the network. In a more basic network, sensors can communicate information to a base computer, which can communicate information to mechanical actuators. The underlying computer can communicate with various sensors and mechanical actuators to perform desired operations. [0003] Communication channels provide the medium that allows the network to communicate with network nodes. The communication channel can be one or more wires or fiber optic cables. The communication channel may be a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/14H04L12/24H04L69/40
CPCH04L69/40H04L69/14H04L41/0659
Inventor F·希德尔
Owner HONEYWELL INT INC
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