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Cloud network reliability measuring method

A measurement method and cloud network technology, applied in the field of cloud network reliability quantification, can solve the problem that there is no recognized method for cloud network reliability assessment, and achieve the effect of reducing the number of matrix operations, improving accuracy, and improving computing efficiency.

Inactive Publication Date: 2015-12-02
CHONGQING UNIV OF POSTS & TELECOMM
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  • Claims
  • Application Information

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Problems solved by technology

However, for the evaluation of cloud network reliability, due to the complexity of the cloud network, many reliability factors are involved, and the services carried on the cloud network are also diverse. Therefore, there is currently no recognized method for the reliability evaluation of the cloud network in the industry.

Method used

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Embodiment Construction

[0042] Below in conjunction with accompanying drawing, the present invention will be further described:

[0043] The invention combines existing data acquisition equipment, cutting-edge theoretical technology and mature implementation technology. An overall analysis method oriented to nodes and links between nodes is proposed. Relying on the main components of the cloud network as the basis of the simulation analysis method, matrix decomposition and an overall topology analysis method are used to obtain cloud network reliability parameters. Analysis process such as figure 1 As shown, it specifically includes the following steps:

[0044]First, obtain the equivalent topology model of the cloud network, including the following steps:

[0045] (1) Obtain cloud network nodes (various physical devices in the network, including hosts, switches, routers, servers, etc.) and links (connection relationship between two nodes).

[0046] (2) According to the obtained node and connection...

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Abstract

The invention requests to protect a cloud computing network reliability measuring method based on matrix decomposition, comprising the following steps: a, acquiring nodes and a link of a cloud computing network, and forming a cloud network equivalent topology model and a cloud network adjacency matrix; b, specifying a node set K for the cloud computing network, wherein the network is in a reliable state when all the nodes in K are normal and there is a passage communicated with all the nodes in K; c, solving the end path of a disjoint K- based on the cloud network adjacency matrix; and d, working out the reliability R of the cloud computing network at a time moment t based on the end path of the disjoint K- and the working efficiency of the nodes and the link at the time moment t. The number of matrix operations is reduced, and the method can be used in a situation in which there are multiple links between nodes. The accuracy of reliability analysis is improved while the computational efficiency is maximized.

Description

technical field [0001] The invention belongs to the field of network system security analysis, and in particular relates to a quantification method for cloud network reliability. Background technique [0002] Cloud Computing (Cloud Computing) is an emerging business computing model, which distributes computing tasks on a resource pool composed of a large number of distributed computers, and adopts a payment method to enable various systems to obtain computing power, storage space and Various software services, this resource pool is called "cloud". "Cloud" refers to some virtual computing resources that can be maintained and managed by themselves, usually some large server clusters, including computing servers, storage servers, bandwidth resources, and so on. Cloud computing centralizes computing resources, which are automatically managed by software without human participation. This allows application providers to focus more on their own business without worrying about tedi...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L29/08
CPCH04L41/12H04L41/142H04L41/145H04L67/10
Inventor 何利张晓东段振岳曾雪虹
Owner CHONGQING UNIV OF POSTS & TELECOMM