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Path planning method and device

A path planning and forwarding path technology, applied in the field of communication, can solve problems such as unable to meet SLA requirements, unable to calculate or plan paths, etc.

Active Publication Date: 2022-02-01
NEW H3C SECURITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In view of this, this application provides a path planning method and device to solve the problem that existing solutions cannot calculate or plan paths according to the actual needs of customers, nor can they meet the SLA requirements

Method used

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  • Path planning method and device

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Embodiment Construction

[0026] Exemplary embodiments will be described in detail herein, and examples are illustrated in the drawings. The following description is related to the drawings, unless otherwise indicated, the same figures in the different drawings represent the same or similar elements. The embodiments described in the exemplary embodiments are not meant to all embodiments consistent with the present application. Instead, they are only examples of apparatus and methods consistent with some aspects of the present application as detailed in the appended claims.

[0027] The terms used in this application are only for the purposes of describing particular embodiments, not intended to limit the invention. The "one", "one", "one", "one", "" "" and "" "used in the present application and the appended claims are also intended to include many forms unless the context clearly represents other meanings. It should also be understood that the terms "and / or" as used herein refer to any or all possible c...

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Abstract

The invention provides a path planning method and device. The method is applied to a controller. The method comprises the steps that the link topology information of an SRv6 network and the trust level of each network node in the SRv6 network are obtained; according to the link topology information of the SRv6 network and the trust level of each network node in the SRv6 network, a forwarding path meeting the SLA requirement is calculated, and the forwarding path has the trust level meeting the SLA requirement; a BGP message is sent to a source network node of the forwarding path, the BGP message comprises an SRv6Policy, and an SID list stored in the SRv6Policy is used for representing the forwarding path, so that when the source network node forwards service messages with different SLA requirements, the service messages with different SLA requirements are forwarded according to the message characteristics of each service message, and according to the message characteristics of each service message, each service message is guided to forwarding paths with different trust levels.

Description

Technical field [0001] The present application relates to the field of communication technology, and more particularly to a path planning method and device. Background technique [0002] Currently, new technologies such as 5G, NFV, SDN, cloud computing, edge computing are driving the change of network architecture, and the emergence of new business and application scenarios also exist in network functions, connection performance and security. Very different. For example, some applications require low delays, some applications require high bandwidth waiting. [0003] In practical applications, customers may need to give different security assurances when network transmission traffic, or operators transmit traffic through network transmission based on security grade classifications. However, whether it is based on a flexible algorithm (English: Flexible Algorithm, referred to as "flex-algo) multi-topological routing calculation, or by the controller centralized planning path, the p...

Claims

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Application Information

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IPC IPC(8): H04L45/30H04L45/243
CPCH04L45/306H04L45/04H04L45/24
Inventor 李昊
Owner NEW H3C SECURITY TECH CO LTD
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