OPEN Platform for Migration of Interactive Services: Architecture and Evaluation

OPEN Platform for Migration of Interactive Services: Architecture and Evaluation

Anders Nickelsen (Aalborg University, Denmark), Fabio Paternò (ISTI-CNR, Italy), Agnese Grasselli (Vodafone, Italy), Kay-Uwe Schmidt (SAP Research, Germany), Miquel Martin (NEC Europe Ltd., Germany) and Francesca Mureddu (Arcadia Design, Italy)
DOI: 10.4018/jaras.2012040102


One important aspect of ubiquitous environments is to provide users with the possibility to freely move about and continue to interact with the available applications through a variety of interactive devices such as cell phones, PDAs, desktop computers, intelligent watches, or digital television sets. Migratory applications are able to follow the user by sensing changes in the user’s context and adapting to available devices, ideally without interrupting the user experience. However, applications themselves must contain functions to monitor context information, coordinate a migration, handle application adaptation, and interact with the user during the migration process. To make life easier for developers and users of migratory applications, an integrated Migration Service Platform (MSP) is proposed, where all the common migration functions are centralised. The authors show how the platform is realised as middleware that contains a server for the central functions and lightweight client-side running on the end-user devices. The authors show how migratory applications can interact with the platform and thereby do not have to contain migration functions themselves. The authors describe the challenges following the centralisation of a migration platform that can support different types of applications, both games and business applications, implemented with either web-technologies or as component-based applications.
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Scenario And Requirements

Migratory applications that enable a continuous access across different devices can improve the overall user experience and provide new application use-cases. Ideally, the migration platform should be able to take all existing applications and make them migratory. In the OPEN project we have focused on specific classes of applications, in particular, Web applications and distributed applications in the game and business domains. Migratory applications existed in neither of these domains before the OPEN project, and the span of different application technologies enforces the platform to be general enough to support many new applications and technologies.

Two representative scenarios from the domains are presented and the requirements to the platform are derived from the scenarios subsequently.

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