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Method and system for orderly obtaining messages of distributed publishing subscription system

A distributed and message technology, applied in the direction of transmission system, digital transmission system, data exchange network, etc., can solve the problem of high dependence on message transfer server, failure to ensure that subscribers receive all messages in the correct order, and failure to ensure that subscribers are correct the order of

Active Publication Date: 2014-10-01
IBM CORP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, in this case, the reliance on the message transfer server is extremely high. Not only does the server need to understand the sequence requirements agreed between the publisher and the subscriber, but it also needs to uniformly sort the messages scattered on multiple distributed servers. Actively push to thousands of subscribers
At the same time, even if the messages are pushed out in the correct order, there is no guarantee that the subscribers will receive all the messages in the correct order
[0006] However, in the publish-subscribe system in which subscribers actively obtain messages, there is no technical solution to ensure that subscribers receive messages in the correct order

Method used

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  • Method and system for orderly obtaining messages of distributed publishing subscription system
  • Method and system for orderly obtaining messages of distributed publishing subscription system

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Embodiment Construction

[0017] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0018] Those skilled in the art know that the present invention can be implemented as a system, method or computer program product. Therefore, the present disclosure can be specifically implemented in the following forms, that is: it can be complete hardware, it can also be complete software (including firmware, resident software, microcode, etc.), and it can also be a combination of hardware and software. Called a "circuit", "module" or "s...

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Abstract

A method retrieves in order a plurality of specific topic-based messages in a distributed publish / subscribe system, the distributed publish / subscribe system comprising at least one message transit server, the method comprising: determining an order of a plurality of to-be retrieved messages; recording, in message transit server sequence information, message transit servers where the plurality of messages are located, respectively, an order of the message transit servers in the message transit server sequence information corresponding to the determined order of the plurality of messages; and retrieving in order the plurality of messages from corresponding message transit servers using the message transit server sequence information.

Description

technical field [0001] The present invention relates to a publish-subscribe system (Pub / Sub) in a computer network environment, and more specifically, the present invention particularly relates to a method and a system for orderly obtaining messages in a publish-subscribe system in a distributed computer network environment. Background technique [0002] At present, the news publishing and subscription system (Pub / Sub) has become one of the important ways for users to obtain network information in the era of computer networks. In a publish / subscribe system, many subscribers select interested news sources according to their own needs. Once a publisher publishes a message, the message is picked up by subscribers. [0003] With the widespread application of the distributed computer network environment, the current publish / subscribe system mainly adopts two modes: the mode of actively pushing messages and the mode of actively obtaining messages by subscribers. In the mode of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/58
CPCH04L51/04
Inventor 张凯张静张军魏佳
Owner IBM CORP
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