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Disaster recovery method and system of service chain and guarantee center

A business chain and disaster recovery technology, applied in the field of data communication, can solve problems such as unreasonable use of resource flow switching, failure to detect equipment and link failures in time, etc.

Active Publication Date: 2017-05-03
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] A technical problem to be solved by the embodiment of the present invention is: in the disaster recovery of the service chain, the resources cannot be reasonably used to realize the traffic switching and the failure of the equipment and the link cannot be found in time

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0031] At the same time, it should be understood that, for the convenience of d...

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Abstract

The invention discloses a disaster recovery method and system of a service chain and a guarantee center. The guarantee center classifies functional network elements according to popular degrees by utilizing counter information of a flow table item of an open virtual switch Open Vswitch; the guarantee center carries out fault detection of the functional network elements; when a fault of a popular network element is detected by the guarantee center, a main flow table item of the popular network element is deleted, and flow switching is carried out on the popular network element with the fault according to a pre-configured backup flow table item; and when a fault of a common network element is detected by the guarantee center, a main flow table item of the common network element is deleted, and a switching flow table item is added to carry out flow switching on the common network element. According to the utilization rates of the functional network elements, popular and common network elements are determined, when faults of the popular and common network elements are detected, different flow switching is carried out on the popular and common network elements, network resources are utilized reasonably, and the user experience during flow switching is improved.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a disaster recovery method for a service chain, a guarantee center and a disaster recovery system. Background technique [0002] Service chain is a hot application scenario of Network Function Virtualization (NFV). Among them, the problem of high reliability is an important research point of the business chain. [0003] The issue of high reliability involves three major issues: functional network element backup, fault detection, and traffic path switching. At present, there are many solutions for the backup of functional network elements. For example, the backup and migration of physical machines and virtual machines have been widely studied; however, there is no specific mechanism for traffic path switching and fast fault detection in the service chain scenario. In non-service chain scenarios, some of the existing fault detection methods are not suitable for NFV service chain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L41/0668
Inventor 罗雨佳欧亮唐宏刘汉江王勇
Owner CHINA TELECOM CORP LTD
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