UbiquiTalk : UBIQUItous computing in smallTALK
This work have been supported by the CPER TAC 2004-2006 of the region Nord-Pas de Calais and the european fund FEDER.
UbiquiTalk is an open P2P platform that supports automatic peer discovery without requiring any infrastructure. Hence, UbiquiTalk can be used either within a network infrastructure or an adhoc network (e.g. Wifi).
Each UbiquiTalk peer, named "host", can act either as a service provider or as a client or both. Users are provided an administration graphical interface to customize their respective hosts, and choose to export or import some services or none. The client part of UbiquiTalk GUI allows user to watch host detection and disparition. Moreover, it allows users to use some service provided by a particular host. Currently, we have two GUIs one for PDAs and the other for laptops and desktop computers.
UbiquiTalk has been implemented on top of Squeak. It relies on rST (Remote Smalltalk) for remote message sending. Regarding host discovery, We used IP Group Multicast. Therefore, UbiquiTalk can be used through the Internet.
This work is part of a bigger project: VerySmallTalk which aims at building a lightweight and adaptive platform for ubiquitous computing. UbiquiTalk does partially address the adaptation part of VerySmallTalk.
UbiquiTalk is open in that it provides a framework for building arbitrary service classes. Such classes can be instantiated and added to the list of exported services either. Services are splitted up into different packages (see Documentation).
Copyright (c) 2007 - Noury Bouraqadi (Ecole des Mines de Douai, France - http://vst.ensm-douai.fr/noury)
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