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Link quality method based on address analytic protocol and correlation device and system

An address resolution protocol, address resolution technology, applied in transmission systems, error detection/prevention using signal quality detectors, electrical components, etc. The processing process is simple, the processing efficiency is improved, and the protocol is simple.

Active Publication Date: 2007-07-18
HUAWEI TECH CO LTD
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  • Description
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Problems solved by technology

[0004] However, with the improvement of network security requirements, routers or hosts based on ACL (Access Control List, Access Control List) and firewalls appear. Such routers and hosts are not pre-configured to allow external ICMP request packets to access. If the ICMP request message is not responded to, the ICMP message cannot penetrate these nodes, so that the above-mentioned method of detecting the quality of the Ethernet link using the Ping command implemented based on the ICMP protocol cannot be applied
[0005]In addition, since ICMP messages are encapsulated in IP messages for transmission, the processing protocol level is deep. When the number of detection messages increases, the processor is often overloaded , affecting the stability of the site operation

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  • Link quality method based on address analytic protocol and correlation device and system
  • Link quality method based on address analytic protocol and correlation device and system

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Embodiment Construction

[0049] An Ethernet device uses a 48-byte Ethernet MAC (Media Access Control, Media Access Control) address to identify an Ethernet network node and implement addressing of Ethernet packets. When the IP message is carried by Ethernet, the Ethernet device cannot recognize the 32-bit IP address. In order to realize the addressing of the IP message based on the Ethernet environment, it is necessary to use the ARP protocol to realize the mapping from the destination IP address to the destination MAC address. , convert the 32-bit IP address in the LAN to the corresponding 48-bit MAC address. The whole conversion process is that a host first sends a broadcast packet containing IP address information to the target host, that is, an ARP request, and then the target host sends the host Send a packet containing IP address and MAC address, and the two hosts can realize data transmission through the MAC address.

[0050] The core idea of ​​the present invention is: by extending the ARP (Addr...

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Abstract

This invention provides a test method for link quality based on address analysis protocol, its related device and a system, which expands the address analysis protocol and records the transmission time of its request messages and the request response message so that the expanded protocol supports test to the quality of Ethernet links.

Description

technical field [0001] The invention relates to the communication field, in particular to a link quality detection method based on an address resolution protocol, a related device and a system. Background technique [0002] Ethernet is the most common communication protocol standard adopted by the existing local area network today, established in the early 1970s. Today, Ethernet technology has become the de facto standard for enterprise networks due to its advantages of high bandwidth and low price, and gradually penetrates into the core network of telecommunications. Efficient features become the most ideal choice. However, because Ethernet was originally positioned for LAN applications, there are few considerations for network reliability and availability, and there is a lack of detection mechanisms for Ethernet link quality, such as: link on-off monitoring, link jitter statistics, link time Delay measurement, etc. For networks such as telecommunication networks and ban...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L1/20
Inventor 李亮
Owner HUAWEI TECH CO LTD
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