Introduction to egee ii
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Introduction to EGEE-II. Antonio Fuentes [email protected] Tutorial Grid Madrid, May 2007 RedIRIS/ (Slices of Bob Jone, Director of EGEE-II Project ). The project. EGEE 1 April 2004 – 31 March 2006 71 partners in 27 countries, federated in regional Grids EGEE-II

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Introduction to EGEE-II

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Introduction to EGEE-II

Antonio Fuentes

[email protected]

Tutorial Grid Madrid, May 2007


(Slices of Bob Jone, Director of EGEE-II Project )

The project

  • EGEE

    • 1 April 2004 – 31 March 2006

    • 71 partners in 27 countries, federated in regional Grids


    • 1 April 2006 – 31 March 2008

    • 91 partners in 32 countries

  • Objectives

    • Large-scale, production-quality grid infrastructure for e-Science

    • Attracting new resources and users from industry as well asscience

    • Maintain and further improve“gLite” Grid middleware

Applications on EGEE

  • Applications from many scientific domains

    • Archaeology

    • Astrophysics

    • Computational Chemistry

    • Digital libraries

    • Earth Sciences

    • Financial Simulation

    • Fusion

    • Geophysics

    • High Energy Physics

    • Life Sciences

    • Multimedia

    • Material Sciences

    • …..

      Book of abstracts:







Support for digital repositories

  • 3 layered model to support access to heterogeneousinformation and connect resources throughcommon shared services

  • Grids can offer:

  • Sharing of resources

  • Secure Access Control

  • Data management

  • Execution of computationally demanding applications (e.g. multi-media content)

EGEE Operations Structure

  • Operations Coord. Centre (OCC)

  • Regional Operations Centres (ROC)

    • Front-line support for user and operations issues

    • Provide local knowledge and adaptations

    • One in each region – many distributed

    • Manage daily grid operations – oversight, troubleshooting

      • “Operator on Duty”

    • Run infrastructure services

ROCs serving

Grid monitoring tools

  • Tools used by the Grid Operator on Duty team to detect problems

  • Distributed responsibility

  • CIC portal

    • single entry point

    • Integrated view of monitoring tools

  • Site Functional Tests (SFT) -> Service Availability Monitoring (SAM)

    • Need to expand usage in

  • GIIS monitor (Gstat)

  • GOC certificate lifetime

  • GOC job monitor


EGEE Related Infrastructures

Grid Interoperability

  • We currently see different flavors of Grids deployed worldwide

    • Because of application needs, legacy constraints, funding, etc.

    • Diversity is positive! – Competition to find the best solutions

  • Many applications need to operate on more than one Grid infrastructure

    • Pragmatic approach to interoperability is key

    • Applications need interoperable Grid infrastructures now

    • A production infrastructure cannot be an early adopter of quickly changing standards

  • Interoperability and standardization pursued at multiple levels

    • Bilateral efforts (e.g. EGEE and EUChinaGrid, OSG and TeraGrid, EGEE and Naregi)

      • Resulted in the “Grid Interoperability Now (GIN)” effort combining major worldwide and regional Grid efforts at GGF

    • Grid standardization and best practices at the Global Grid Forum

      • Now merging with comparable industry efforts – Open Grid Forum

    • Standardization of basic infrastructure like web services (OASIS)

Grid Middleware


  • Applications have access both to Higher-level Grid Services and to Foundation Grid Middleware

  • Higher-Level Grid Services are supposed to help the users building their computing infrastructure but should not be mandatory

  • Foundation Grid Middleware will be deployed on the EGEE infrastructure

    • Must be complete and robust

    • Should allow interoperation with other major grid infrastructures

    • Should not assume the use of Higher-Level Grid Services

Higher-Level Grid Services

Workload Management

Replica Management



Grid Economies


Foundation Grid Middleware

Security model and infrastructure

Computing (CE) and Storage Elements (SE)


Information and Monitoring

EGEE Middleware Distribution

  • gLite

    • Exploit experience and existing components from VDT (Condor, Globus), EDG/LCG, and others

    • Develop a lightweight stack of generic middleware useful to EGEE applications (HEP and Biomedics are pilot applications).

      • Pluggable components – cater for different implementations

      • Follow SOA approach, WS-I compliant where possible

    • Focus is on re-engineering and hardening

    • Business friendly open source license

      • Plan to switch to Apache-2

gLite Grid Middleware Services


Overview paper




Information & Monitoring



Information &Monitoring




Data Management

Workload Management


File & ReplicaCatalog




Site Proxy





gLite Grid Middleware Services

Overview paper

EGEE and Sustainability


  • How does EGEE compare to other computing infrastructures?

    • Number of infrastructure users?

    • Number of application domains?

    • Number of computing nodes?

    • Number of years in service?

  • What would happen, if EGEE is turned off?

  • What happens after April 2008 (End of EGEE-II)?

Sustainability: Beyond EGEE-II

  • Need to prepare for permanent Grid infrastructure

    • Maintain Europe’s leading position in global science Grids

    • Ensure a reliable and adaptive support for all sciences

    • Independent of short project cycles

    • Modelled on success of GÉANT

      • Infrastructure managed in collaboration with national grid initiatives


  • Federated model bringing together National Grid Initiatives (NGIs) to build a European organisation (EGI)

  • EGEE-II federations wouldevolve into NGIs

  • Each NGI is a national body

    • Recognised at the national level

    • Mobilises national funding and resources

    • Contributes and adheres to international standards and policies

    • Operates the national e-Infrastructure

    • Is application independent, open to new user communities and resource providers

EGEE’06 Conference

  • EGEE’06 – Capitalising on e-infrastructures

    • Keynotes on state-of-the-art and real-world use

    • Dedicated business track exploring Grids’ business potential

    • Demos and business/industry exhibition

    • Involvement of international community

  • 25-29 September 2006

  • Geneva, Switzerland



  • Grids are all about sharing – they are an excellent means of working with groups around the world

  • EGEE operates the world’s largest multi-disciplinary grid infrastructure for scientific research

    • In constant and significant production use

    • EUMedGrid & EUChinaGrid as part of this production infrastructure

  • We have gained significant experience in what it takes to deploy, operate and manage a large distributed infrastructure

    • Next steps: Service Availability Monitoring, Service Level Agreements

  • This work has shown the importance of interoperability/interoperations with related projects

  • Need to prepare the long-term

    • EGEE, related EU projects, national grid initiatives and user communities are working to define a model for a sustainable grid infrastructure

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