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EUROGRID – An Integrated User–Friendly Grid System
Hans–Christian Hoppe, Karl Solchenbach
A Member of the ExperTeam Group
Pallas GmbHHermülheimer Straße 10D–50321 Brühl, Germany
[email protected]://www.pallas.com
Health–Grid Workshop, Brussels, September 2002
© Pallas GmbH
Outline
EUROGRID approach and history
EUROGRID functionality and services
EUROGRID architecture and implementation
Availability and outlook
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EUROGRID Approach
Provide a uniform work environment for end–users– access and authentication mechanisms (client, certificates, …)– details of execution environments (commands, data access, …)– user–level workflow and resource model (task graph, …)
Preserve autonomy of participating sites
Emphasize security– site security– data and workflow integrity
Support end–users in specific science/engineering domains
Focus on transactional usage modes– offline execution of large workflows– interactive monitoring and steering– NOT traditional interactive (shell commands)
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EUROGRID History
Started as a seamless access platform for German HPC centers
– project UNICORE (1997–1999)– project UNICORE Plus (2000–2002) uniform interface to supercomputers phased into operation in 2003
Embracing the Grid philosophy, enhancing functionality– project EUROGRID (IST–1999–20247) dynamic resource identification and brokering plugins provide user–friendly interfaces
Introducing compatibility to Globus– project GRIP (IST–2001–32257) combine EUROGRID and Globus resources pave the way towards OGSA
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EUROGRID Functionality and Services
Access grids securely
Construct workflows
Submit to computing resources
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EUROGRID Functionality and Services
Monitor progress, retrieve results
Control&steer execution
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EUROGRID Functionality and Services
Application–specific interfaces
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EUROGRID Architecture and Implementation
Interactive client for end–users
– uses SSL for all communication
– signs all requests with user’s private key
Gateway as single point of site entry
– acts as SSL server– rejects connections lacking a
valid user certificate
Keystore
Workflow Construction Workflow Monitoring
EUROGRID Client
Gridsites
Keystore management Application Plugins
EUROGRID Gateway
Firewall
Unsafe Internet(SSL)
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EUROGRID Architecture and Implementation
NJS controls workflow execution
– maps to local userid (UUDB)– incarnates tasks into
command sequences (IDB)– provides information about
available resources (RDB)
Interfaces to execution systems
– drives shells, queueing systems, load balancers (TSI)
EUROGRID Gateway
TSI
Executionplatform
NJS
Safe Intranet (TCP or SSL)
Firewall
UUDB
Firewall
IDB
Other Grid sites
RDB
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EUROGRID Architecture and Implementation
Emphasizes extensibility– user interfaces &
functionality (plugins)– user information (UUDB)– new abstract tasks (IDB)– support additional execution
systems (TSI)
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EUROGRID Technology
Client and server components implemented in Java–2
Authentication uses X.509 certificates– software can work with any PKI scheme– even Globus temporary certificates can work …
Coexistence with firewalls– gateway as single point of entry– can run outside firewall, in DMZ or inside firewall– user authentication at that point: rogue users can’t go further
Secure data transmission using SSL– additional data encryption considered in EUROGRID
Use of XML for– storing workflows– databases
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Ongoing Projects
EUROGRID = Grid system for seamless access tocomputing and data services
Project Objectives Duration Funded by
UNICORE Plus
SW development, deployment at HPC centers
01/2000 –12/2002
German govt. (BMBF)
EUROGRID European HPC centers, scientific applications, industrial involvement
11/2000 – 10/2003
IST–1999–20247
GRIP Interoperability of EUROGRID and Globus
01/2002 – 12/2003
IST–2001–32257
© Pallas GmbH
Availability and Outlook
Current version: EUROGRID 1.0 (UNICORE 4.0)– open source release of full sources– available from UNICORE Forum web pages (www.unicore.org)– Upcoming project results to be made available likewise …
Active participation in the GGF– security model– workflow model and plugin interface– Grid operation (PKI issues, …)
Moving towards supporting OGSA– UNICORE demonstrator by David Snelling …
Deployment in FP5 projects (physics, medicine, …)– domain– and application–specific extensions
Interest in participating in FP 6 projects– deployment and extensions– integration into OGSA framework
Productization of the EUROGRID components
© Pallas GmbH
Further Information
Contact [email protected]
WWW pageshttp://www.fz–juelich.de/unicore UNICORE Plus projecthttp://www.unicore.org UNICORE Forumhttp://www.eurogrid.org EUROGRID projecthttp://www.grid–interoperability.org GRIP project
UNICORE test GRIDhttp://www.fz-juelich.de/unicore-test
Source code releasehttp://www.unicore.org/downloads.htm UNICORE Forum
