Portals and Resource Scheduling at Imperial College
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1 Portals and Scheduling at Imperial College Dr Steven Newhouse Technical Director, London e-science Centre Department of Computing, Imperial College Background UK Regional e-science Centre Sun Centre of Excellence in e-science Concentrating on Grid Middleware: Portal Infrastructure Maximising Utilisation Policy for Sharing Construction of Imperial College Grid Development of higher-level scheduling & optimisation of resource utilisation 2 1
2 Contents ICENI Imperial College e-science Networked Infrastructure Imperial College Grid OGSA to Jini gateway -WS Interface E-Science Portal at Imperial College (EPIC) 3 ICENI The Iceni, under Queen Boudicca, united the tribes of South-East England in a revolt against the occupying Roman forces in AD60 IC e-science Networked Infrastructure Developed by LeSC Grid Middleware Group Collect and provide relevant Grid meta-data Use to define and develop higher-level services Prototype web service protocols 4 2
3 ICENI Architecture Computational JavaCoG Globus Storage Network Private Administrative Domain CR SR Identity Manager Domain Manager CR SR Public Computational Community CR SR Public Computational Community SR Browser Web Services Gateway Application Portal Software PolicyManager Application Mapper Broker Manager CR SR Component Design Tools Application Design Tools Private Gateway between private and public regions Public 5 Centre 24TB PIONEER Athlon Cluster 22 processor 100Mb Storage 1.2TB ATLAS Compaq / Quadrics Cluster 32 processor MPI: ~5.7us & >200 MB/s AP Sparc Ultra II APNet Storage 6TB CONDOR POOL ~ 150 PIII processors SATURN Sun E6800 SMP 24 processors Backplane: 9.6GB/s VIKING 1 P4/Linux Cluster 66 dual node Myrinet VOYAGER Microsoft/Dell Intel Cluster 32 processor Giganet VIKING 2 P4/Linux Cluster 68 dual node 100Mb 6 3
4 Imperial College Grid EPIC SGEEE SGE LeSC HEP HEP PBS PBS UCL SGE 7 Open Grid Services Architecture (OGSA) Initiated by the Globus team with IBM Leverage e-commerce software within e-science Utilise web service protocols and tool base: UDDI: Universal, Discovery, Device & Integration WSDL: Web Services Definition Language SOAP: Simple Object Access Protocol Refactor Globus toolkit to use web services 8 4
5 Grid Service Contracts User:A Client User:A Duration:10m Browser Jini Lookup Service Client User:B User:A+B Duration:1hr 9 OGSA & Jini Integration WSDL Interface GSI + SOAP Connection Gateway Manager GSI enabled Web Service Hosting Environment SOAP->Java User Info Jini Lookup Service Jini Client Interface User:A Duration:10m User: A+B Duration:1hr 10 5
6 -WS Standardise low-level remote access to DRM Build on current interface and track developments Provide web services access to through Jini Evolve to provide XML Schema language: Job definition ML ML Policy ML GRAM 2.0 / RSL (Direct OGSA service?) 11 Motivation WS SGEEE / Solaris Client Meta- Scheduler WS WS WS SGE / Linux SGE / Solaris PBS / Linux 12 6
7 Layered Architecture Other infrastructures GRAM RSL (SOAP & XML?) e.g. XSLT transformation (current mechanism: globus-script-pbs-submit) GSI GSI WS Adv Res WS Adv Res API Native DRM GSI Enabled Web Hosting Environment 13 EPIC: e-science Portal at Imperial College Collaborative LeSC industrial project with Sun Microsystems Develop a secure portal infrastructure to: Access your own personal environment Applications to support day-to-day e-science Interaction with other Grid infrastructures Allow role based access to resources Anonymous: public web pages Students: internal pages, , compute resources Staff: restricted pages 14 7
8 Accessing e-science applications Submarine Design Dr Ian Mathews, Imperial College Parameter exploration to find optimal design Mesoscale Materials Analysis Professor Peter Coveney, QMUL, London Remote access to Lattice Boltzman simulation (LB3D) Technical Compute Portal Wolfgang Gentzsch & Dan Fraser (Sun Microsystems) Web based access to Sun s Grid Engine 15 uportal 1.x (Replaced 2.x) 16 8
9 Where next -WS Integrate with as it develops Link to higher-level schedulers Portal Integration of GSI within uportal Integrate TCP with web services 17 Acknowledgements Nathalie Furmento Jini & Asif Saleem uportal & TCP William Lee OGSA Further Information: mail: 18 9
10 The Grid Middleware Group Acknowledgements: John Darlington, Tony Field Nathalie Furmento, Stephen McGough Anthony Mayer, James Stanton Yong Xie, William Lee Marko Krznaric, Murtaza Gulamali Asif Saleem, Laurie Young Contact:
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