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Extensible WEB service retrieval method based on double-layer structure overlay network

A technology of WEB service and overlapping network, which is applied in the field of computer network service retrieval, can solve the problems of centralized topology and non-expandable performance, and achieve the effect of good promotion and use value, high service search ability, and good self-organization characteristics

Inactive Publication Date: 2016-12-14
INSPUR GROUP CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The centralized topology is not scalable and has certain performance bottlenecks. How to construct a scalable, flexible, and robust distributed Web service discovery architecture has become an increasingly prominent problem

Method used

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  • Extensible WEB service retrieval method based on double-layer structure overlay network
  • Extensible WEB service retrieval method based on double-layer structure overlay network
  • Extensible WEB service retrieval method based on double-layer structure overlay network

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Experimental program
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Embodiment 1

[0031] as attached image 3 As shown, the present invention's scalable WEB service retrieval method based on a double-layer structure overlapping network, the method defines a unified dynamic tuple model in the data layer to solve the heterogeneity of various data sources and data models, and adopts the timestamp mechanism Realize soft state management; customize a unified Publish API and Inquiry API at the abstraction layer to achieve a unified access method and support fuzzy queries; construct a new double-layer topology overlapping network at the network layer to ensure the scalability, flexibility and Robustness; at the same time, a two-stage search algorithm based on Stratus is proposed, and the algorithm time, space and message complexity are analyzed. The simulation results show that Stratus has obvious self-organization characteristics and good scalability. The two-stage search algorithm is efficient and Has a high service lookup capability. Among them, the data layer...

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Abstract

The invention discloses an extensible WEB service retrieval method based on a double-layer structure overlay network, and belongs to the field of computer network service retrieval. The method aims at achieving the technical purposes of constructing an extensible, flexible and robust distributed Web service discovery framework and achieving the extensibility of the Web service discovery framework and accurate data position control. According to the technical scheme of the method, a unified dynamic tuple model is defined in a data layer to solve the problem of isomerism of various data sources and data models, and a timestamp mechanism is adopted to achieve soft state management; a unified Publish API and a unified Inquiry API are customized in an abstraction layer, and a unified access mode and support for fuzzy query are achieved; the bran-new double-layer topological overlay network is constructed in a network layer; meanwhile, a two-stage lookup algorithm based on Stratus is proposed, and the time, space and information complexity of the algorithm is analyzed.

Description

technical field [0001] The invention relates to the field of computer network service retrieval, in particular to a scalable WEB service retrieval method based on a double-layer structure overlapping network. Background technique [0002] For Web service discovery methods, researchers at home and abroad have done a lot of useful research work. UDDII2I uses tree data structure and centralized topology, and relies on multiple databases to maintain regular replication and data consistency. The advantage of the centralized topology is that data location is fast and accurate. The disadvantage is that it is easy to become a bottleneck, and there are many problems in scalability, single-point failure, and vulnerability to attacks. It is not suitable for large-scale networks. One solution is to pass the key The word creates an index for the Web description language WSDL (Web Services Description Language) and is based on the distributed Hash structured (DIM) topology Neuron. Its adv...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06Q30/06
CPCG06F16/835G06F16/27G06Q30/0633
Inventor 仇伟民戴鸿君于治楼
Owner INSPUR GROUP CO LTD
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