François Pacull
ABSTRACT
DUPLEX is a distributed collaborative editor for users connected through a large-scale environment such as the Internet. Large-scale implies heterogeneity, unpredictable communication delays and failures, and inefficient implementations of techniques traditionally used for collaborative editing in local area networks. To cope with these unfavorable conditions, DUPLEX proposes a model based on splitting the document into independent parts, maintained individually and replicated by a kernel. Users act on document parts and interact with co-authors using a local environment providing a safe store and recovery mechanisms against failures or divergence with co-authors. Communication is reduced to a minimum, allowing disconnected operation. Atomicity, concurrency, and replica control are confined to a manageable small context.
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Index Terms
- Duplex: a distributed collaborative editing environment in large scale
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