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A method, device and system for information synchronization

A technology for information synchronization and identification information, which is applied in the field of communication and can solve problems affecting routing-related applications

Active Publication Date: 2020-06-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the route published by the controller is treated as a normal PECP route or a common route in other routing protocols. When the route published by the controller is optimized, it will affect the related applications of the routes published through the normal PCEP or other routing protocols.

Method used

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  • A method, device and system for information synchronization
  • A method, device and system for information synchronization
  • A method, device and system for information synchronization

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Embodiment Construction

[0105] The application scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application. Those skilled in the art know that with the evolution of the network architecture With the emergence of new business scenarios, the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.

[0106] Unless otherwise stated, ordinal numerals such as "first", "second", "third", "fourth" and "fifth" mentioned in the embodiments of this application are used to distinguish multiple objects, and are not used to Restricts the order of multiple objects.

[0107] Combine below figure 2 The scenario of the embodiment of the present application is described as an example.

[0108] figure 2 The SDN 100 applied in the e...

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Abstract

The present application provides a method for information synchronization. The method includes a controller sending a first message to a network device, where the first message carries CRP routing table entry information and is used for publishing a CRP route. The first message includes first identification information, and after receiving the first message, the forwarding device saves the CRP routing entry information in the CRP routing table of the network device according to the indication of the first identification information. In the technical solution of the present application, since the routes published by the controller and the routes published by the routing protocol between the forwarding devices are stored in different routing tables, applications related to the routes published by the routing protocol between the forwarding devices will not be affected.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to an information synchronization method, device and system. Background technique [0002] In recent years, the value of software-defined network (English: Software Define Network, SDN) has been recognized by telecom network operators, and it is the evolution direction of future networks. The SDN system includes a controller and a forwarding device, wherein the controller can be used to control network traffic, and the forwarding device can be used to forward and process received data packets. Using SDN technology, the control plane and forwarding plane (also called the data plane) of network equipment are separated to realize flexible control of network traffic and accelerate the innovation of network services. [0003] Border Gateway Protocol (English: Border Gateway Protocol, BGP) is a dynamic routing protocol used between autonomous systems (English: Auto...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L12/751H04L12/781H04L45/74H04L45/02H04L45/52
CPCH04L45/02H04L45/12H04L45/302H04L45/304H04L45/64H04L45/655H04L45/54H04L47/125H04L47/24
Inventor 闫长江庄顺万吴楠陈国义李振斌宋宝华
Owner HUAWEI TECH CO LTD
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