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Timestamp-based tree structure data synchronization method

A technology of data synchronization and tree structure, applied in electrical components, transmission systems, etc., can solve problems such as inapplicability of synchronized data, achieve the effect of small temporary storage space, reduce data flow, and adapt to data synchronization

Active Publication Date: 2013-09-11
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] Aiming at the disadvantage that the prior art cannot be applied to synchronous data with a tree structure, the present invention provides a novel time stamp-based tree structure data synchronization method

Method used

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  • Timestamp-based tree structure data synchronization method
  • Timestamp-based tree structure data synchronization method
  • Timestamp-based tree structure data synchronization method

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Embodiment 1

[0064] The present invention is mainly aimed at the tree-type data synchronization scene design of the C / S architecture. The whole system adopts a star topology architecture and is composed of a data center server cluster and a client. The data center server cluster is the server, including a synchronization manager and a state management Manager, Authority Manager, Cache Manager, Timestamp Manager, Data Abstractor, Distributed Storage Manager. Clients include Synchronization Manager, Cache Storage Manager, and Synchronization Date Manager. The whole system supports large-scale high concurrent access and dynamic expansion of the server, its structure is as attached figure 1 shown. The main function of the data center server is to store a complete copy of the tree data and rights management information to provide authorized access to the tree data.

[0065] The client realizes the access to the tree cache data through the local data access interface, wherein the tree cache da...

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Abstract

The invention relates to tree structure oriented data synchronization and discloses a timestamp-based tree structure data synchronization method. The method comprises a central server cluster and a client side, the central server cluster comprises multiple servers, and each of the central server cluster and the client side is of a star topology structure. The method specifically includes the steps: registering the client side to the servers, initiating synchronization by the client side, responding to synchronization by the servers and conforming by the client side. The method has the advantages that structural features of tree structure data are considered fully, communication data in the synchronization process are decreased, synchronization efficiency is improved, and the method has high application value.

Description

technical field [0001] The invention relates to tree-structure-oriented data synchronization, in particular to a time-stamp-based tree-structure data synchronization method. Background technique [0002] Data synchronization is the equivalent operation of data elements in two data sets that have an associated mapping relationship. Updates in any one data set will be synchronously transmitted to the other data set. The synchronization of tree data is an equivalent operation between two trees between the client and the server, where the two trees may be identical, or one tree may be a subtree of another tree. The basic unit of the tree synchronization operation is the tree element node, and synchronization is to transfer the modification of elements in one data set to another set. [0003] The evaluation criteria of synchronization protocols generally include several aspects: applicable scale, transmission load, computational complexity and storage space. The topology of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06
Inventor 尹建伟严皓亮李莹吴健邓水光吴朝晖
Owner ZHEJIANG UNIV
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