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The Grid: The Future of High Energy Physics Computing?
Acknowledgements
Outline
What is The Grid ?
Grid Perspectives
Some Important Definitions*
Resource
Application Programming Interface
The Grid Problem
Elements of the Problem
Why Grids?
Online Access to Scientific Instruments
Mathematicians Solve NUG30
Network for Earthquake Engineering Simulation
Home Computers Evaluate AIDS Drugs
Broader Context
Why Now?
Network Exponentials
The Network
Motivation for the Grid
Large Hadron Collider at CERN
Four LHC Experiments: The Petabyte to Exabyte Challenge
How Much Data is Involved?
ATLAS
Discovery Potential for SM Higgs Boson
Data Flow from ATLAS
ATLAS Parameters
Data Intensive Computing and Grids
Data Intensive Issues Include
Examples of Desired Data Grid Functionality
HEP Data Analysis
Production Analysis
Physics Analysis
A Model Architecture for Data Grids
LHC Computing Model (Based on MONARC Simulations)
Why Worldwide Computing? Regional Center Concept Goals
Tier 2 Centers
Who is working on the Grid?
HENP Related Data Grid Projects
Grid Physics Network (GriPhyN)
International Virtual Data Grid Laboratory
TeraGrid: NCSA, ANL, SDSC, Caltech
Selected Major Grid Projects
Selected Major Grid Projects
Selected Major Grid Projects
Selected Major Grid Projects
Grid Related Work at Michigan
Grid Activities at Michigan
USATLAS Data Grid Testbed
US ATLAS Grid Testbed Activities
Internet2 HENP Networking WG [*] Mission
UM/ATLAS Grid Cluster Current Status as of January 2002
Networking and the Grid
Why Networking?
Transatlantic Net WG (HN, L. Price) Bandwidth Requirements [*]
TCP WAN Performance
Network Monitoring: Iperf
Testbed Network Measurements
Iperf Network Test Setup
UM Network IPERF Results
Achieving High Performance Networking
Back to the Grid
The Globus Project Making Grid computing a reality
Globus Toolkit Components
Layered Grid Architecture (By Analogy to Internet Architecture)
The Hourglass Model
Resource Layer Protocols and Services
Collective Layer Protocols and Services
Example: High-Throughput Computing System
Virtual Data Queries
Virtual Data Scenario
The Future of the Grid
Problem Evolution
The Globus View of the Future: All Software is Network-Centric
And Thus
Future of the Grid for HEP
Conclusions
For More Information on the Grid
