Distributed computing is moving from clusters to Grids and P2P. A
cluster is rather easy to use due to its homogeneous nature and
latitudinarian internal network policy. Grids and P2P networks involve
multiple heterogeneous sites, probably not fully interconnected, and
subject to various network or security policies. One big challenge with
these environments is to be able to deploy and allow, efficient,
communication between all workers. This Research Master proposes to
tackle those difficult issues.
A typical workaround is to use a master/worker model. The master can
reach all workers and each worker can reach the master. Workers do not,
or cannot, talk between them. This solution is indeed very limiting,
preventing many applications to be deployed and executed. Hierarchical
deployment and message routing are an attempt to solve this issue by
providing to users a transparent mechanism to allow bidirectional
communications between each worker, whatever encountered network
restrictions (firewall, NAT, private IPs etc.).
The research takes place in Sophia Antipolis, within the OASIS research team, a joint project between INRIA, CNRS-I3S, and University of Nice Sophia Antipolis.
The OASIS project conducts research on distributed objects. The team
has been designing and
a Java library for the GRID. In the framework of an active object
the library features Asynchronous Typed Messages, Future
Synchronizations (Wait-by-necessity), Group Communications, Mobility,
Security, and a generic component model.
At the infrastructure level, XML Deployment Descriptors provide the
capacity to deploy on many kind of GRIDs.
In the absence of any syntactical extension, ProActive programmers write standard code. The library is itself extensible by the programmers, using a MOP (Meta-Object Protocol), making the system open for adaptations and optimizations.
Overall, the following technical features are expected:
Overall, the work will include conceptual models and practical experiments. The following steps could be followed:
Nice Sophia Antipolis Advisor : Denis Caromel
Téléphone : 04 92 38 76 31 Email : Denis.Caromel@inria.fr
Laboratoire ou équipe : INRIA Sophia Antipolis -- I3S -- CNRS
Hardware and software to be used : Networks of PCs,
Clusters, Intranet and Internet P2P machines
Sophia Antipolis, between Nice and Cannes, France