Efficient State Initialization Mechanisms for Shared Whiteboards and Distributed Applications


Geyer, Werner ; Vogel, Jürgen ; Mauve, Martin


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URL: https://ub-madoc.bib.uni-mannheim.de/771
URN: urn:nbn:de:bsz:180-madoc-7715
Document Type: Working paper
Year of publication: 2000
The title of a journal, publication series: Technical Reports
Volume: 00-012
Place of publication: Mannheim
Publication language: English
Institution: School of Business Informatics and Mathematics > Sonstige - Fakultät für Mathematik und Informatik
MADOC publication series: Veröffentlichungen der Fakultät für Mathematik und Informatik > Institut für Informatik > Technical Reports
Subject: 004 Computer science, internet
Subject headings (SWD): Whiteboard
Abstract: In this paper we propose a novel late join algorithm for distributed appliacations with a fully replicatedarchitecture (e.g. shared whiteboards). The term 'late join algorithm' is used to denote a mechanism that allows a latecoming participant to join an ongoing session. Generally, this requires that participants in the session inform the latecomer about the current state of the shared application, so that he or she is able to participate in the session once the late join has been completed. While many existing distributed applications implement some sort of late join,a thorough discussion of alte join algorithms has not yet been conducted. We therefore identify the key issues of late join algorithms and propose a set of requirements which a 'good' late join approach should satisfy. Based on these requirements, we evaluate existing late join algorithms and explain why we opted instead to develop a new, advanced late join algorithm for our own shared whiteboard. This late join algorithm is discussed in detail, and we show how it enhances existing approaches while still being general enough to be used for arbitrary distributed applications.
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Geyer, Werner ; Vogel, Jürgen ; Mauve, Martin (2000) Efficient State Initialization Mechanisms for Shared Whiteboards and Distributed Applications. Open Access Technical Reports Mannheim 00-012 [Working paper]
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