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INDEX

Project-Team : reso

Section : Application Domains

Panorama

Key words: Grids, Telecommunications, Networks, High Performance, Protocols, Communication Software, Active Networks, Quality of Service, End to End Transport.

RESO applies its research to the domains of high performance Cluster and Grid communications. Several actions have been conducted in the context of European or National projects. These activities have been done in close collaboration with the CNRS-UREC team, other INRIA and CNRS French teams involved in the eToile project, and other European teams involved in the DataGRID and DataTAG project.

A study of the specific requirements of grid applications has been initiated. The characteristics and performances of several grid network infrastructure have been measured and analyzed [61] , [23] [24] ,
We have participated to the design, development and deployment of an extensible Network Monitoring system that measures, gathers and publishes relevant monitoring information in the global information system of the Grid like MDS and R-GMA in the DataGRID testbed [22] .
We have deployed and evaluated the Network Cost Estimation Service and its associated functions in the DataGRID environment with the OGSA Reptor software in charge of replica access optimization [83] .
We have actively participate to the design and deployement of a Grid testbed based on a controlled private very high speed network: eToile. The innovative Network Services, Tamanoir environment, Dynamic Network Quality of Service Management and control (QoSINUS suite) Active Reliable Multicast (DyRAM) have been deployed and are used in this testbed of the RNTL French eToile Grid. The limits of the existing communication services and protocols are analyzed and more efficient approaches that aim to carry the gigabit performance to the grid user level and take into consideration the specific needs of grid flows are explored. Deploying such an high performance Grid testbed allows also to evaluate the benefit that grid middleware and applications can get from enhanced networking technologies.
The Madeleine, multi-protocol communication library, has been adapted and integrated both in Globus and eToile middleware.