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Undo-Based Access Control for Distributed Collaborative Editors

Asma Cherif 1 Abdessamad Imine 1
1 CASSIS - Combination of approaches to the security of infinite states systems
FEMTO-ST - Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174), INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : When adding access control layer to a replication based Distributed Collaborative Editor (DCE), ensuring convergence to the same copy of the shared document becomes a challenging problem. We consider here an optimistic access control in the sense that temporarily access right violation is tolerated [3]. This leads to data divergence. To maintain convergence, updates violating access rights must be undone. However, undo approach may itself lead to divergence cases called undo puzzles [6]. In this paper, we address undo as the main feature in an optimistic access-control-based DCE. We also show how we can avoid several known undo puzzles and present additional ones. We propose a new generic solution for these puzzles and provide performance measurements of our undo command.
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Contributor : Abdessamad Imine <>
Submitted on : Thursday, November 12, 2009 - 10:08:35 AM
Last modification on : Tuesday, October 27, 2020 - 2:34:28 PM

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Asma Cherif, Abdessamad Imine. Undo-Based Access Control for Distributed Collaborative Editors. 6th International Conference on Cooperative Design, Visualization, and Engineering - CDVE 2009, Sep 2009, Luxembourg, Luxembourg. pp.101-108, ⟨10.1007/978-3-642-04265-2_14⟩. ⟨inria-00431344⟩



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