Cluster based service issuing and discovering method in self-organizing network facing to service

A self-organizing network and service publishing technology, applied in the field of self-organizing network, can solve problems such as low efficiency

Inactive Publication Date: 2008-04-16
FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Currently, service discovery on self-organizing networks mainly broadcasts service requests to surrounding nodes through flooding, but this kind of global broadcasting is inefficient and easily leads to broadcast storms.

Method used

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  • Cluster based service issuing and discovering method in self-organizing network facing to service

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Embodiment Construction

[0030] Without loss of generality, the present invention takes the service combination in the conference scene as an example to introduce the entire service release and discovery method in detail, and further elaborates the purpose, features and advantages of the present invention. But the protection scope of the present invention is not limited to the following examples.

[0031]In a meeting scenario, ten customers come to a meeting room for a discussion, each customer has his own mobile device, or a PDA, or a laptop computer, the entire network scene is shown in Figure 2, the mobile device There are multi-hop connections between them to form an ad hoc network.

[0032] There are certain services on each node, see Table 1 for specific services and locations.

[0033] Table 1 Service list of mobile devices in conference scenarios

[0034] mobile device number

Services on Mobile Devices

N 1

Downloading things from the Internet; laser printing services...

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Abstract

The invention belongs to the technical field of self-organization network, in particular to a sub-cluster-based service distribution and discovering method on the self-organization network facing service. The method is divided into three parts comprising a sub-cluster maintenance, a service distribution and a service discovering. The cluster maintenance is divided into two parts comprising a sub-cluster and a cluster updating; the service distribution comprises a service information establishment and a service information updating; the service discovering means after finishing the sub-cluster and the service distribution, a node discovers basic service on the self-organization network through a cluster head. The invention can effectively avoid the broadcast storm phenomenon of the prior service distribution and the service discovering method; the method can also use replaceable service to enhance the efficiency of the service discovering.

Description

technical field [0001] The invention belongs to the technical field of self-organizing networks, and in particular relates to a method for publishing and discovering services based on clustering in a service-oriented self-organizing network. Background technique [0002] With the rapid development of network technology, the needs of users have gradually developed from the initial information sharing to how to use the functions provided by other Web sites. Accordingly, service science is proposed as a discipline for efficient function invocation. A service is a self-contained, modular application program deployed on the network, which can be described, published, searched and invoked in the network. The proposal of service implements an abstraction of resources or functions that any hardware or software entity on various devices or platforms can provide to other devices to access. Through service composition, several relatively simple services can be synthesized into a serv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/28
Inventor 孙未未陈炜于何震瀛覃泳睿张卓瑶
Owner FUDAN UNIV
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