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Information synchronization method in distributed architecture, forwarding unit and control unit

A distributed architecture and forwarding unit technology, applied in the field of communication, can solve problems such as link oscillation and forwarding unit cannot be executed synchronously, so as to avoid link oscillation and improve business stability

Active Publication Date: 2020-08-04
NEW H3C SECURITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of this, the present invention provides an information synchronization method, a forwarding unit, and a control unit in a distributed architecture, which are used to solve technical problems such as link oscillation caused by the forwarding unit being unable to execute the information sent by the main control unit synchronously

Method used

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  • Information synchronization method in distributed architecture, forwarding unit and control unit
  • Information synchronization method in distributed architecture, forwarding unit and control unit

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Embodiment Construction

[0037] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, rather than limiting the embodiments of the present invention. The singular forms "a", "said" and "the" used in the embodiments and claims of the present invention are also intended to include plural forms unless the context clearly indicates otherwise. The term "and / or" used in the present invention means to include any or all possible combinations of one or more associated listed items.

[0038] It should be understood that although the terms first, second, third, etc. may be used in the embodiments of the present invention to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the embodiments of the present invention, first information may also be called second information, and simi...

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Abstract

The invention provides an information synchronization method in a distributed architecture, a forwarding unit and a control unit, which are used for solving the technical problems of link oscillationand the like caused by the fact that the forwarding unit cannot synchronously execute information issued by a main control unit. According to the invention, a synchronization confirmation mechanism isintroduced between the forwarding units, the actual effective time difference of the information issued by the control unit on each forwarding unit is controlled within an acceptable range, link oscillation is avoided, and the service stability is improved.

Description

technical field [0001] The present invention relates to the communication field, in particular to an information synchronization method, a forwarding unit and a control unit in a distributed architecture. Background technique [0002] In the distributed architecture, the main control board completes the service control plane processing, such as route calculation, and sends related entry information to the forwarding line card. Some table entry information is global and needs to be downloaded to multiple forwarding line cards of the device. For example, to issue a route: destination address X mask Y outbound interface Z, the main control board needs to issue such an entry to all forwarding line cards. Another example is to create a bidirectional forwarding detection (BFD) session on the aggregation port. The aggregation port has three member ports, which are located on different forwarding line cards. Send the BFD session information. [0003] The model of the above table i...

Claims

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Application Information

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IPC IPC(8): H04L12/709H04L12/755H04L45/243
CPCH04L45/021H04L45/245
Inventor 杨逸
Owner NEW H3C SECURITY TECH CO LTD
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