Multi-source data distribution method based on distribution subscription mechanism

A multi-source data, publish-subscribe technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as inability to effectively deal with multi-source scenarios load heterogeneity, improve data forwarding efficiency, reduce delay, and balance The effect of node load

Active Publication Date: 2017-02-15
南京臻融科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing data distribution mechanism often only takes single data source application scenarios as the research object, so it cannot effectively deal with special problems such as load heterogeneity introduced by multi-source scenarios

Method used

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  • Multi-source data distribution method based on distribution subscription mechanism
  • Multi-source data distribution method based on distribution subscription mechanism
  • Multi-source data distribution method based on distribution subscription mechanism

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Experimental program
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Embodiment Construction

[0039] Below in conjunction with embodiment the present invention will be further described.

[0040] In the present invention, the multi-source data distribution method based on the publish-subscribe mechanism adopts a construction method (PSDDF, Publish / Subscribe-based Data Distribution Forrest) based on multi-source and heterogeneous node load heterogeneous data distribution forest. Multi-source means that at a certain moment, There are multiple publishers in the system publishing data of different topics at the same time, and at any moment, one publisher publishes data of one topic.

[0041] The following first introduces the system model adopted by the PSDDF method.

[0042] The PSDDF method uses an undirected graph to model the system, the points in the graph represent the nodes in the system, and the edges represent the network connections in the system. Publishers and subscribers for a specific topic A constitute a publish-subscribe set of topic A.

[0043] The assum...

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Abstract

The invention discloses a multi-source data distribution method based on a distribution subscription mechanism. The method comprises the following steps: firstly constructing a corresponding data distribution and subscription relation aiming at one subject, and further constructing a plurality of corresponding sub-relations and sub-subject data; establishing a subject data distribution tree using a data distribution party as a root node to construct a data distribution forest; selecting a sub-method through a father node in the data push process, and pushing a corresponding subject data message on the established distribution tree according to a topological structure of a node load adjusting distribution tree. The method disclosed by the invention is suitable for any network topological structure, and capable of improving the total bandwidth use ratio and shortening the duration of the multi-source data distribution task while balancing the node load.

Description

technical field [0001] The invention relates to data distribution in computer distributed computing, in particular to a multi-source data distribution method based on a publish-subscribe mechanism. Background technique [0002] The publish-subscribe mechanism is a communication paradigm that provides information interaction capabilities for communication participants. The basic work of this mechanism is: (1) store and manage the topics subscribed by each user in the system; (2) match the topics published by users with the subscribed topics previously stored in the system; The content of the message is distributed to all matching subscribers. Due to the inherent loose coupling and high scalability of the publish-subscribe mechanism, the publish-subscribe system is regarded as a key technology for realizing large-scale and highly scalable network communication applications. [0003] At present, mature products of publish-subscribe systems are mainly concentrated in the field...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/803H04L12/753
CPCH04L45/48H04L47/125H04L67/1001H04L67/55
Inventor 汪芸胡弘晋
Owner 南京臻融科技有限公司
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