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Routing path analysis method and device

A path analysis and routing technology, applied in the field of communication, can solve problems such as the inability to reflect the traffic path and the inability to obtain non-critical nodes of the traffic.

Active Publication Date: 2020-10-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of these two technologies is that they can only obtain the situation of key nodes, but cannot obtain the situation of non-critical nodes that the traffic actually flows through, so they cannot reflect the real traffic path

Method used

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  • Routing path analysis method and device

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Embodiment Construction

[0067] Embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.

[0068] see figure 1 , figure 1 It is a schematic flowchart of a routing path analysis method disclosed in an embodiment of the present invention. Such as figure 1 As shown, the routing path analysis method may include the following steps:

[0069] 101. Determine the key node according to the label stack of the segment routing of the data packet.

[0070] The embodiment of the present invention may be executed by a network management server, or by a dedicated routing path analysis device, and the specific device used is not limited by the embodiment of the present invention.

[0071] In the embodiment of the present invention, the above-mentioned key nodes include a distribution node, a next-hop working path node of the distribution node, and a next-hop protection path node of the distribution node; wherein, the above-mentioned di...

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PUM

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Abstract

The embodiment of the invention discloses a routing path analysis method and equipment. In the embodiment of the present invention, the key node is determined according to the label stack of the segmented routing of the data message; the key node includes a split node, a next-hop working path node of the split node, and a next-hop protection path node of the split node; wherein, the split The node is the intersection node of the working path and the protection path; the neighbor node of the key node is determined as the relevant node; the flow information of the key node and the relevant node is inquired; Node; determine the routing path according to the node through which the data message flows. It can be seen that, according to the flow information of key nodes and related nodes, the embodiment of the present invention can accurately determine whether the data message is actually selected as a working path or a protection path, and obtain more detailed routing path information.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a routing path analysis method and equipment. Background technique [0002] The basic feature of segment routing (Segment Routing, SR) technology is that at the service entrance (first node), a group of label stacks on how to pass through key nodes are marked on the data message in advance. When the data message is transmitted to a certain key node , the node will select its transmission path in the network according to the label information carried in the data message. The characteristic of SR technology is that it can protect stable transmission through the setting of working path / protection path. The general implementation method is: the administrator presets the working path and protection path, and the first node can generate a label stack according to the working path. Sequentially transmit from each key node according to the working path; however, if the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/707H04L12/723H04L12/733H04L12/24H04L45/50H04L45/02H04L45/122H04L45/24
CPCH04L41/0213H04L45/122H04L45/20H04L45/22H04L45/50H04L45/02H04L45/507H04L47/125H04L45/123H04L45/34
Inventor 胡朋武马刚
Owner HUAWEI TECH CO LTD