A client centric replication model for mobile environments based on RESTful resources

Authors:
Martin Peters;Christopher Brink;Martin Hirsch;Sabine Sachweh
Affiliations:
University of Applied Sciences and Arts Dortmund, Dortmund, Germany;University of Applied Sciences and Arts Dortmund, Dortmund, Germany;University of Applied Sciences and Arts Dortmund, Dortmund, Germany;University of Applied Sciences and Arts Dortmund, Dortmund, Germany
Venue:
Proceedings of the Workshop on Posters and Demos Track
Year:
2011

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Abstract

Replication takes place in different application areas in computer science. One of the growing areas is the replication of databases in mobile environments. Smartphones and other mobile devices do not have a permanent internet connection and are restricted to limited resources. Nevertheless, they are used to access data stored in relational databases over the internet. To improve the response time for data access and to achieve full offline functionality the replication of data is a typical way to go. Because of the special characteristics of mobile devices like intermittent and weak connectivity, restricted bandwidth and limited resources [5] existing protocols for database replication do not fit. Within this piece of work we propose a protocol for database replication in mobile environments using Representational State Transfer (REST) [4] resources for easy access by devices with limited resources. In addition, the protocol is distinguished by the client centric distribution of the synchronization components which allows us to implement application specific conflict resolution strategies and to use RESTful web applications to communicate with a server without much effort on the server side. The proposed protocol was already implemented prototypically and will be used for further research.