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Reliability evaluation method used for multiple fault mode cloud computing platform

A cloud computing platform, multi-fault technology, applied in the Internet field, can solve problems such as model complexity, computing efficiency, analysis automation efficiency, etc., to achieve the effect of analysis automation, alleviation of complexity, and reduction of scale

Active Publication Date: 2016-03-09
莫毓昌
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  • Claims
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Problems solved by technology

[0006] The existing method is based on the divide and conquer strategy to combine the binary decision diagram (BinaryDecisionDiagram, referred to as BDD) method and the state space method to analyze the reliability of cloud computing platform with multiple failure modes. There are various efficiency problems in many aspects such as

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  • Reliability evaluation method used for multiple fault mode cloud computing platform
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  • Reliability evaluation method used for multiple fault mode cloud computing platform

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Embodiment Construction

[0028] Below by embodiment, in conjunction with accompanying drawing, technical scheme of the present invention is described further in detail:

[0029] A reliability assessment method for multi-failure mode cloud computing platform, constructing an implementation example system such as figure 1 As shown, the implementation example system includes 3 processing nodes ServerA, ServerB and ServerC, 2 network nodes NetworkA and NetworkB, and 3 storage nodes StorageA, StorageB and StorageC. The implementation example system is combined in a redundant manner. The processing nodes ServerA, ServerB and ServerC allow any one node to fail, the network nodes allow any one node of NetworkA and NetworkB to fail, and the storage nodes StorageA, StorageB and StorageC allow at most 2 nodes failed.

[0030] According to the calculus generated by the above faults, the fault tree model corresponding to the implementation of the example system is as follows: figure 2 shown.

[0031] Correspon...

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Abstract

The present invention belongs to the field of Internet, and particularly relates to a reliability evaluation method used for a multiple fault mode cloud computing platform. The present invention aims to establish a reliability evaluation method for the multiple fault mode cloud computing platform based on an expanding form multivalued decision diagram of a BDD so as to allow synchronous modeling and analysis in multiple fault modes and improve the accuracy and the efficiency of the reliability analysis. The reliability evaluation method is implemented by the following technical scheme: the reliability evaluation method used for the multiple fault mode cloud computing platform comprises the following steps of: S1, multiple fault mode MDD modeling; S2, system MDD model construction; and S3: reliability evaluation based on MDD. For each fault mode of a common mode fault, a propagation fault and a component fault, a non-overlapping event space is established based on a logical combination among faults or a state space of a component, and the MDD model for each fault mode is constructed according to the non-overlapping event space.

Description

technical field [0001] The invention belongs to the field of the Internet, and in particular relates to a reliability evaluation method for a multi-fault mode cloud computing platform. Background technique [0002] In recent years, with the rapid development of network technology, software technology, and microelectronics technology, a large number of multi-fault mode cloud computing platforms have emerged in various fields of modern human society. Compared with simple computing systems, their reliability behaviors show various failure modes, including: [0003] Common Mode Faults: Common mode faults are external factors that can cause multiple components of a system to fail simultaneously. As the multi-failure mode cloud computing platform is more and more geographically distributed, it contains more and more heterogeneous components, the operation management is more and more complex, and the integration with the infrastructure is getting closer, making the modern multi-fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/3323G06F2111/02
Inventor 莫毓昌
Owner 莫毓昌
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