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New-type network path detection method realized based on TCP protocol

A network path and protocol implementation technology, applied in the information field, can solve problems affecting the validity of path nodes, so as to avoid troubles and improve effectiveness

Active Publication Date: 2018-11-30
CHENGDU WANGDING SCI & TECH
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Problems solved by technology

However, there is a possibility that PING is prohibited on the path node or target node in the network, which will inevitably affect the validity of the detected path node. Therefore, it is necessary to construct a detection message that can respond to the ICMP protocol and also respond to the TCP protocol message.

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  • New-type network path detection method realized based on TCP protocol
  • New-type network path detection method realized based on TCP protocol
  • New-type network path detection method realized based on TCP protocol

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[0020] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0021] Specifically, a new network path detection method based on the TCP protocol is to send detection messages with different TTL values ​​to the target, and identify the response message triggered by the detection message to obtain the route from the local to the target. A routing path; the detection message can trigger an ICMP response message and a TCP response message.

[0022] The specific process of how to trigger and respond to the above-mentioned ICMP message and TCP message is the inherent working principle of the network protocol, and there are a lot of materials for reference. For example, how a PING message triggers a response has been stipulated by the ICMP protocol, which belongs to the prior art, and there is no ...

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Abstract

The invention discloses a new-type network path detection method realized based on a TCP protocol. Detection messages with different TTL values are sent to a target; and response messages triggered bythe detection messages are identified, thereby obtaining a routing paths from local to the target. ICMP response messages and TCP response messages can be triggered by the detection messages. According to the method, perplexity brought by forbidden PING setting to path detection can be effectively avoided, and validity of a detected network path to a target node is improved.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a novel network path detection method realized based on the TCP protocol. Background technique [0002] Traceroute is a commonly used software tool for testing network paths. Its main principle is to send detection packets with different TTL values ​​to the target and identify the response packets triggered by the detection packets to obtain the route from the local to the target. path. However, there is a possibility of banning PING on the path node or target node in the network, which will inevitably affect the validity of the detected path node. Therefore, it is necessary to construct a detection message that can respond to the ICMP protocol and also respond to the TCP protocol message. Correspondingly, the identification of its TTL control and response message also needs to change the response. [0003] In order to solve the above problems, the present invention propos...

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Application Information

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IPC IPC(8): H04L12/26H04L12/24
CPCH04L41/12H04L43/10H04L43/50
Inventor 杨国海
Owner CHENGDU WANGDING SCI & TECH
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