White Papers

Conflict Management for Real-Time Collaborative Editing in Mobile Replicated Architectures

Category: Software and Web Development, Networking and Communications

Overview Mobile technology is particularly suited to a fully distributed (replicated) architecture for collaborative work. Users can maintain their own document copies, and can continue to work in the absence of a central server. However, in a replicated architecture, conflicts can occur when two or more users concurrently modify the same object in a shared document. Such conflicts can be classified as non-exclusive or exclusive. This paper introduces an algorithm that integrates operational transformation and multi-versioning to resolve the different types of conflict. The algorithm uses delayed post-locking to solve the partial-intention problem by making use of user intention locks. It also uses conflict tables to better facilitate the resolution of conflict as soon as possible without requiring sites to receive all operations.

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Publisher: Australian Computer Society
File Format: PDF
Date Published: Aug 10, 2007
Format: White Papers
Topics: Application Servers, Software Engineering, Mobile - Wireless Communications

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