Exploring communication overheads and locking policies in a peer-to-peer synchronous collaborative editing system

Authors:
Jon A. Preston;Sushil K. Prasad
Affiliations:
Georgia State University, Atlanta, GA;-
Venue:
Proceedings of the 43rd annual Southeast regional conference - Volume 2
Year:
2005

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Abstract

In this paper, we describe recent work in developing a peer-to-peer collaborative environment. The study examines various locking mechanisms/policies by adjusting the granularity of the locked space within the shared document. Additionally, as the interface is highly dependent upon user input/interaction rather than CPU computation, the communication overheads dominate the scalability analysis. Consequently, this paper examines the communication overheads associated with five different events within the system. The paper concludes with a discussion of future work in further examining various locking granularities and related work in distributed memory systems and cache coherency models.