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Section: Software and Platforms
Kevoree
Participants : Olivier Barais [correspondant] , François Fouquet, Erwan Daubert, Jean-Émile Dartois, Johann Bourcier, Noël Plouzeau, Maxime Tricoire, Francisco-Javier Acosta Padilla, Jacky Bourgeois, Mohamed Boussaa, Antonio de Mattos, Thomas Degueule, Inti Gonzalez Herrera, Tam Le Nhan, Ivan Paez Anaya.
Kevoree is an open-source models@runtime platform (http://www.kevoree.org) to properly support the dynamic adaptation of distributed systems. Models@runtime basically pushes the idea of reflection [85] one step further by considering the reflection layer as a real model that can be uncoupled from the running architecture (e.g. for reasoning, validation, and simulation purposes) and later automatically resynchronized with its running instance.
Kevoree has been influenced by previous work that we carried out in the DiVA project [85] and the Entimid project [86] . With Kevoree we push our vision of models@runtime [84] farther. In particular, Kevoree provides a proper support for distributed models@runtime. To this aim we introduced the Node concept to model the infrastructure topology and the Group concept to model semantics of inter node communication during synchronization of the reflection model among nodes. Kevoree includes a Channel concept to allow for multiple communication semantics between remoteComponents deployed on heterogeneous nodes. All Kevoree concepts (Component, Channel, Node, Group) obey the object type design pattern to separate deployment artifacts from running artifacts. Kevoree supports multiple kinds of very different execution node technology (e.g. Java, Android, MiniCloud, FreeBSD, Arduino, ...).
Kevoree is distributed under the terms of the LGPL open source license.
Main competitors:
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the Fractal/Frascati eco-system (http://frascati.ow2.org ).
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SpringSource Dynamic Module (http://docs.spring.io/osgi/docs/1.2.1/reference/html/ )
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GCM-Proactive (http://proactive.inria.fr/ )
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OSGi (http://www.osgi.org )
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Chef (http://wiki.opscode.com/display/chef/Deploy+Resource )
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Vagran (http://vagrantup.com/ )
Main innovative features:
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distributed models@runtime platform (with a distributed reflection model and an extensible models@runtime dissemination set of strategies).
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Support for heterogeneous node type (from Cyber Physical System with few resources until cloud computing infrastructure).
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Fully automated provisioning model to correctly deploy software modules and their dependencies.
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Communication and concurrency access between software modules expressed at the model level (not in the module implementation).
Impact:
A tutorial have been performed at the Middleware conference in december 2013.
Several European projects leveraging the Kevoree platform have recently been accepted. Besides we are currently developing a testbed named DAUM. This testbed is developed since mid 2011 to experiment with Kevoree in real life situations. More precisely, DAUM is a highly dynamic pervasive system that mixes wireless smart sensors, user interaction devices such as digital pads, and distributed data servers in a cloud.
The current specialization of DAUM is a distributed tactical information and decision system for firefighters. This application includes individual sensors in the personal protective equipment of firefighters, embedded computation nodes that are fully reconfigurable in real time and over the air, distributed monitoring servers in trucks, and personal computers for information access and decision making. The DAUM platform is used internally to try research results on distributed models@runtime. DAUM is used externally to prepare and support cooperation activities with other research teams (the Myriads Inria team is a partner of DAUM) and with potential industrial partners.
See also the web page http://www.kevoree.org .