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Method and device for managing Ethernet topology

A topology management, Ethernet technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems of blocking network ports, not specifically determining the Ethernet topology relationship, and not completely consistent with the physical topology, to ensure correct Effect

Active Publication Date: 2011-03-30
苏州医疗器械产业发展集团有限公司
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Problems solved by technology

[0006] In the above-mentioned networking structures of the Ethernet ring network, because one or some ports in the network are usually blocked, the transmission path of the traffic is not completely consistent with the physical topology of the network, and with the protection switching, the transmission path of the traffic is still Changes will occur. In actual operation, there needs to be a method that can manage the Ethernet topology, which can intuitively and conveniently discover information such as node locations, topology status, path reachability, and protection protocols in the overall network.
However, there is currently no technical solution to specifically determine the Ethernet topology relationship and manage the topology relationship

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  • Method and device for managing Ethernet topology

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Embodiment Construction

[0042]The basic idea of ​​the present invention is: set the topology management domain of the Ethernet ring network in the Ethernet, so that when the state of the management domain changes, the topology relationship of the updated Ethernet ring network can be known and stored by each node in time , so as to perform data forwarding according to the known topology relationship when using the Ethernet ring network for data transmission. The invention enables each node in the management domain to know the topological relationship of the management domain accurately and timely, thereby ensuring correct data forwarding.

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail by citing the following embodiments and referring to the accompanying drawings.

[0044] image 3 It is a flow chart of the method for Ethernet topology management of the present invention, such as imag...

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Abstract

The invention discloses a method for managing Ethernet topology, comprising the following steps of: setting an Ethernet topology managing domain, wherein each node in the managing domain transmits a protocol frame comprising self mark information and state information according to a transmitting strategy; and determining and storing the Ethernet topology relation of the managing domain according to the mark information and state information of the nodes in the protocol frame by a node receiving the protocol frame. The invention discloses a device for managing Ethernet topology, comprising a setting unit, a transmitting unit, a receiving unit, a determining unit and a storing unit, wherein the setting unit is used for setting the Ethernet topology managing domain; the transmitting unit is used for transmitting the protocol frame comprising the self mark information and the state information according to the transmitting strategy; the receiving unit is used for receiving the protocol frame; the determining unit is used for determining the Ethernet topology relation of the managing domain according to the mark information and state information of the nodes in the protocol frame, and the storing unit is used for storing the Ethernet topology relation of the determined managing domain of the determining unit. By the invention, all the nodes in the managing domain can accurately know the topology relation of the managing domain in time.

Description

technical field [0001] The invention relates to the technology of Ethernet topology management, in particular to a method and device for Ethernet topology management. Background technique [0002] With the development of the Ethernet network in the direction of multi-service bearing, especially some services have higher and higher requirements on the reliability and real-time performance of the network, the Ethernet widely adopts the redundant networking mode to improve the network reliability. In addition, in the redundant networking structure of the Ethernet, fast protection switching is usually required (the duration of the protection switching is required to be within 50 ms). Currently, technologies related to fast protection switching include standards such as RFC3619 of the Internet Engineering Task Force (IETF, Internet Engineering Task Force) and G.8032 of the International Telecommunication Union (ITU-T, International Telecommunication Union). [0003] For example,...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/437
CPCH04L45/02
Inventor 吴少勇
Owner 苏州医疗器械产业发展集团有限公司
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