Cocurrent control method for band collision detection based on mark and state vector

A technology of state vectors and control methods, which is applied in the branch office to provide special service devices, data exchange details, etc., can solve problems such as the inability to guarantee the consistency of operation conflicts, no conflict detection and processing, and the increase in the length of network transmission packets. Operational information interactive content, easy to understand, and intuitive design effects

Inactive Publication Date: 2009-02-11
EAST CHINA NORMAL UNIV
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  • Abstract
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Problems solved by technology

This method is easy to understand, and the algorithm design is relatively intuitive, but it needs to add an operation context when transmitting operation information. As the number of operands increases, the content of the operation context will become more and more, resulting in the continuous increase of the length of the network transmission packet and increasing the network load.
Later, someone proposed a "document annotation method with state vector", but this method did not propose a feasible solution on how to implement it, and at the same time, there was no conflict detection and processing, and the consistency of operation conflicts could not be guaranteed.

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  • Cocurrent control method for band collision detection based on mark and state vector
  • Cocurrent control method for band collision detection based on mark and state vector

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Embodiment Construction

[0087] Please refer to shown in accompanying drawing 1, device of the present invention is made up of modules such as input equipment, output equipment, processor and Internet hardware environment etc., and the client A (1) of its concurrent control comprises: input equipment (3), output equipment (4), processor (5) and network access equipment (6) modules and other components;

[0088] Its concurrency control client B (2) also includes: input device (3), output device (4), processor (5) and network access device (6) modules and other components;

[0089] There is an Internet (7) communication link between the client A (1) and the client B (2) of the concurrency control.

[0090] The output terminals of the input devices (3) of the client A (1) and the client B (2) of the concurrency control device with conflict detection based on tags and state vectors are respectively connected with the output device (4) and the processor ( 5), the processor (5) and the network access devic...

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Abstract

The present invention relates to a method of computer supported cooperative working (CSCW) technology field, in particular, it relates to an application system which can be used for cooperatively editing and supporting physical-distributed several cooperators and simultaneously editing same document, and relates to a concurrency control method of tape collision detection based on mark and state vector, and said method can solve the consistency problem of collision operation. Said invented equipment is formed from input equipment, output equipment, processor module and interconnected net hardware environment.

Description

technical field [0001] The present invention relates to the technical field of computer-supported collaborative work (CSCW), in particular to an application system for collaborative editing that supports physically distributed multiple collaborators to edit the same document at the same time, and is used to ensure consistency when operations conflict Concurrency control device with conflict detection based on marker and state vector and its concurrency control method. Background technique [0002] Collaborative editing supports multiple physically distributed collaborators to edit the same document at the same time, which is an important class of Computer Supported Collaborative Work (CSCW) application systems. Collaborative editing is a typical distributed application system, which not only requires fast response speed of user operations, but also usually has the following characteristics: there is no limit to the number of collaborative users who can operate at the same ti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/18
Inventor 顾君忠吕钊崔修涛郭忠军何莉李卓辉
Owner EAST CHINA NORMAL UNIV
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