Grid Networks : Enabling Grids with Advanced Communication Technology pot

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Grid Networks
Enabling Grids with
Advanced Communication
Technology
Franco Travostino,
Nortel, USA
Joe Mambretti,
Northwestern University, USA
Gigi Karmous-Edwards,
MCNC, USA
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Grid Networks
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Grid Networks
Enabling Grids with
Advanced Communication
Technology
Franco Travostino,
Nortel, USA
Joe Mambretti,
Northwestern University, USA
Gigi Karmous-Edwards,
MCNC, USA
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Library of Congress Cataloging in Publication Data
Grid networks :enabling grids with advanced communication technology/ [edited by]Franco Travostino,
Joe Mambretti, Gigi Karmous-Edwards.
p. cm.
Includes bibliographical references.
ISBN-13: 978-0-470-01748-7
ISBN-10: 0-470-01748-1
1. Computational grids (Computer systems) 2. Computer networks—Design and construction.
3. Wireless communication systems—Design and construction. 4. Optical communications—Design
and construction. I. Travostino, Franco. II. Mambretti, Joel, 1948– III. Karmous-Edwards, Gigi.
QA76.9.C58G7559 2006

004

.36—dc22 2006016095
British Library Cataloguing in Publication Data
A catalogue record for this book is available from the British Library
ISBN-13: 978-0-470-01748-7
ISBN-10: 0-470-01748-1
Typeset in 10/12pt Garamond by Integra Software Services Pvt. Ltd, Pondicherry, India
Printed and bound in Great Britain by Antony Rowe Ltd, Chippenham, Wiltshire
This book is printed on acid-free paper responsibly manufactured from sustainable forestry in which
at least two trees are planted for each one used for paper production.
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Dedication
For Franco, To Suely, Giulia and Matteo
For Joe, To Catherine
For Gigi, To Layah, Kamila, and Tony
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Contents
Editors and Contributors xix
Contributors xxi
Foreword xxv
Acknowledgments xxvii
Introduction: The Grid and Grid Networks xxix
1 The Grid and Grid Network Services 1
Joe Mambretti
1.1 Introduction 1
1.2 Network Resources as First-class Grid Entities 1
1.2.1 What is a Grid? 2
1.3 The General Attributes of Grids 3

1.3.1 The Grid and Design Abstraction 5
1.3.2 The Grid as an Enabler of Pervasive, Programmable Utility
Services 6
1.4 Types of Grids 7
1.4.1 Grids and Grid Networks 8
1.4.2 Attributes of Grid Networks 9
1.5 Grid Networks and Emerging Communication Technologies 14
References 14
2 Grid Network Requirements and Driver Applications 17
2.1 Introduction 17
2.2 Grid Network Requirements for Large-scale Visualization and
Collaboration 18
Jason Leigh, Luc Renambot, and Maxine Brown
2.2.1 Large-scale Visualization and Collaboration Application
Drivers 18
2.2.2 Current Limitations to Advanced Visualization and Collaboration 19
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2.2.3 Enabling Advanced Visualization and Collaboration with the
Optiputer 20
2.2.4 Future Challenges in Large-scale Visualization and
Collaboration 22
Acknowledgments 23
2.3 Large-scale E-science 24
Peter Clarke
2.3.1 Data Management for the Large Hadron Collider Project 25
2.3.2 Large-scale Computational Science 26
2.3.3 Summary 30
Acknowledgments 30

2.4 Data Mining 30
Robert Grossman
2.4.1 Important Steps in the Data Mining Process 31
2.4.2 Main Steps in Distributed Data Mining Using Commodity
Networks 31
2.4.3 Main Steps in Distributed Data Mining Using Optical Grids 32
2.5 CineGrid, a Grid for Digital Cinema 33
Tom DeFanti, Laurin Herr, and Natalie Van Osdol
2.5.1 Trends 34
2.5.2 CineGrid Cinema-centric Research 34
2.5.3 CineGrid Consortium 36
2.6 Distributed Aircraft Maintenance Environment (DAME) 36
Tom Jackson, Jim Austin, and Martyn Fletcher
2.6.1 Use Case Introduction 36
2.6.2 Dame Customers 37
2.6.3 Scenarios 37
2.6.4 Resources Involved 39
2.6.5 Functional Requirements 39
2.6.6 Security Considerations 40
2.6.7 Performance Considerations 40
2.6.8 Use Case Situation Analysis 40
Acknowledgments 41
2.7 Financial Services: Regulatory and Market Forces Motivating a Move
to Grid Networks 41
Robert B. Cohen
2.7.1 New Challenges for Financial Institutions and Networks 41
2.7.2 Factors Driving Banks to Adopt Grids and High-speed Networks 41
2.7.3 How Financial Institutions will Use Networks to Facilitate Grid
Computing 43
2.7.4 Globalization of Financial Markets 44

2.7.5 Migration of Financial Institutions to Grid Networks 45
2.7.6 Conclusions 46
2.8 Summary of Requirements 47
References 47
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3 Grid Network Requirements and Architecture 49
Joe Mambretti and Franco Travostino
3.1 Introduction 49
3.2 Requirements 50
3.2.1 Requirements and Coexistence of Diverse Network User
Communities 50
3.2.2 Abstraction/Virtualization 52
3.2.3 Resource Sharing and Site Autonomy 53
3.2.4 Flexibility Through Programmability 54
3.2.5 Determinism 54
3.2.6 Decentralized Management and Control 56
3.2.7 Dynamic Integration 56
3.2.8 Resource Sharing 57
3.2.9 Scalability 57
3.2.10 High Performance 58
3.2.11 Security 59
3.2.12 Pervasiveness 59
3.2.13 Customization 59
3.3 Translating Requirements to Architecture 60
3.3.1 IETF RFC 2768 60
3.3.2 Service-oriented Architecture 61
3.3.3 A Multitier Architecture for Grids 61
3.3.4 Introducing Grid Network Services 63

Acknowledgment 65
References 65
4 Relevant Emerging Network Architecture from Standards
Bodies 67
Franco Travostino
4.1 Introduction 67
4.2 Global Grid Forum (GGF) 68
4.3 Enterprise Grid Alliance (EGA) 69
4.4 Organization for the Advancement of Structured Information
Standards (OASIS) 70
4.5 World Wide Web Consortium (W3C) 71
4.6 The IPSphere Forum 71
4.7 MPI Forum 71
4.8 Internet Engineering Task Force (IETF) 71
4.9 Distributed Management Task Force (DMTF) 73
4.10 International Telecommunication Union (ITU-T) 74
4.11 Optical Internetworking Forum (OIF) 75
4.12 Infiniband Trade Association (IBTA) 75
4.13 Institute of Electrical and Electronics Engineers (IEEE) 76
References 77
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Contents
5 Grid Network Services and Implications for Network Service
Design 81
Joe Mambretti, Bill St. Arnaud, Tom DeFanti, Maxine Brown,
and Kees Neggers
5.1 Introduction 81
5.2 Traditional Communications Services Architecture 82
5.3 Grid Architecture as a Service Platform 82

5.3.1 Grid Network Services Architecture 83
5.4 Network Services Architecture: An Overview 84
5.4.1 Services Architecture Benefits 84
5.5 Grid Network Services Implications 86
5.6 Grid Network Services and Network Services 86
5.6.1 Deterministic Networking and Differentiated Services 87
5.7 Grid Network Service Components 88
5.7.1 Network Service Advertisements and OGSA 88
5.7.2 Web Services 89
5.7.3 Web Services Definition Language (WSDL) 89
5.7.4 Universal Description, Discovery, and Integration (UDDI) 90
5.7.5 Web Services-Inspection Language (WSIL) 90
5.7.6 Network Service Design and Development Tools 90
5.8 New Techniques for Grid Network Services Provisioning 91
5.8.1 Flexible Communication Services Provisioning 91
5.8.2 Partitionable Network Environments 91
5.8.3 Services Provisioning and Signaling 92
5.9 Examples of Grid Network Services Prototypes 92
5.9.1 A Layer 3 Grid Network Services Prototype 93
5.9.2 APIS and Signaling for Dynamic Path Provisioning 93
5.9.3 A Layer 2 Grid Network Services Prototype 94
5.9.4 Services-oriented Architecture for Grids Based on Dynamic
Lightpath Provisioning 94
5.9.5 Optical Dynamic Intelligent Network Services (ODIN) 95
5.9.6 User-Controlled Lightpath Provisioning 95
5.10 Distributed Facilities for Services Oriented Networking 96
5.10.1 Provisioning Grid Network Services 97
References 97
6 Grid Network Services: Building on Multiservice
Networks 99

Joe Mambretti
6.1 Introduction 99
6.2 Grid Network Services and Traditional Network Services 100
6.2.1 The Grid and Network Quality of Service 100
6.3 Network Service Concepts and the End-to-end Principle 101
6.3.1 Network Quality of Service and Applications Quality
of Service 102
6.4 Grid Architecture and the Simplicity Principle 102
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6.4.1 Network Design and State Information 103
6.4.2 Internet Best Effort Services 104
6.5 Grids and Internet Transport Layer Services 105
6.6 IETF Differentiated Services 105
6.6.1 Diffserv Mechanisms 106
6.6.2 Grids and Quality of Service Network Services 107
6.7 Gara and DiffServ 107
6.8 Grids and Nonrouted Networks 107
6.8.1 Layer 2.5 Services and Quality Standards 108
6.8.2 Grids and Layer 2.5 Services 108
6.9 Layer 2 Services and Quality Standards 108
6.9.1 Grids and Layer 2 Quality of Service 109
6.10 Layer 1 Services and Quality Standards 109
6.10.1 Grids and Layer 1 Quality of Service 110
6.11 The Grid and Network Services 111
References 111
7 Grid Network Middleware 113
Franco Travostino and Doan Hoang
7.1 Introduction 113

7.2 Definitions 114
7.2.1 Network Services and Grid Network Services 114
7.2.2 Grid Infrastructure Software 114
7.2.3 Grid Network Infrastructure Software 114
7.3 Grid Infrastructure Software 115
7.3.1 The Globus Toolkit 115
7.4 Grid Network Infrastructure Software 122
7.4.1 The DWDM-RAM System 123
7.5 Components of Grid Network Infrastructure 126
7.5.1 Network Bindings 126
7.5.2 Virtualization Milieu 129
7.5.3 Performance Monitoring 132
7.5.4 Access Control and Policy 133
7.5.5 Network Resource Scheduling 134
7.5.6 Multidomain Considerations 135
References 139
8 Grid Networks and TCP Services, Protocols, and Technologies 145
Bartek Wydrowski, Sanjay Hegde, Martin Suchara, Ryan Witt,
and Steven Low
8.1 Introduction 145
8.2 Background and Theoretical basis for Current Structure of Transport
Layer Protocols 146
8.2.1 User Datagram Protocol (UDP) 146
8.2.2 Transmission Control Protocol (TCP) 147
8.2.3 Window Flow Control 147
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8.2.4 Fairness 149
8.2.5 Congestion Control Feedback System 150

8.2.6 Congestion Control Performance 152
8.3 Enhanced Internet Transport Protocols 157
8.3.1 TCP Reno/NewReno 157
8.3.2 TCP Vegas 158
8.3.3 FAST TCP 159
8.3.4 BIC TCP 160
8.3.5 High-speed TCP 161
8.3.6 Scalable TCP 162
8.3.7 H-TCP 162
8.3.8 TCP Westwood 162
8.4 Transport Protocols based on Specialized Router
Processing 163
8.4.1 MaxNet 163
8.4.2 Explicit Congestion Control Protocol (XCP) 166
8.5 TCP and UDP 167
Acknowledgments 168
References 168
9 Grid Networks and UDP Services, Protocols, and
Technologies 171
Jason Leigh, Eric He, and Robert Grossman
9.1 Introduction 171
9.2 Transport Protocols based on the User Datagram
Protocol (UDP) 171
9.2.1 UDP Transport Utility 172
9.2.2 Reliable Blast UDP (RBUDP) 173
9.2.3 The UDP-Based Data Transfer Protocol (UDT) 174
9.2.4 Tsunami 178
9.3 Lambdastream 178
9.4 Grid Applications and Transport Protocols 179
9.4.1 Berkley Sockets 179

9.4.2 Future APIs 179
9.4.3 TCP Proxies 180
9.5 The Quanta Toolkit 180
9.5.1 Tuning and Optimization Issues 181
9.5.2 Communication Services Optimization 181
9.6 Grids and Internet Transport 182
Acknowledgments 182
References 183
10 Grid Networks and Layer 3 Services 185
Joe Mambretti and Franco Travostino
10.1 Introduction 185
10.2 The Internet and the End-To-End Principle 185
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10.3 The Internet and Layer 3 Services 186
10.3.1 IP Concepts 186
10.3.2 IP Components 187
10.3.3 Differentiated Services 187
10.4 Grid Experimentation with DiffServ-Based Quality of Service 188
10.5 Internet Routing Functions 189
10.5.1 Routing Protocols 189
10.5.2 Communicating Routing Table Information 190
10.5.3 Route Advertisement and Route Storage 190
10.5.4 Routing Policies 190
10.5.5 Routing Topologies 190
10.5.6 Routing Metrics 191
10.6 Layer 3 Addressing and Network Address Translators (NATS) 192
10.7 IP Version 6 192
10.8 Subsecond IGP Recovery 193

10.9 Internet Security using Internet Protocol Security 193
10.10 IP Multicast 194
10.11 Internet Layer 3 Services 194
Acknowledgments 195
References 195
11 Layer 2 Technologies and Grid Networks 197
John Strand, Angela Chiu, David Martin, and Franco Travostino
11.1 Introduction 197
11.2 Layer 2 Technologies and Grid Requirements 197
11.3 Multiprotocol Label Switching (MPLS) 198
11.3.1 MPLS and Shared Network Infrastructure 200
11.3.2 MPLS and Virtual Private Networks 200
11.3.3 Grid Network Services and MPLS 201
11.4 Ethernet Architecture and Services 201
11.4.1 Ethernet Architecture Features and Challenges 202
11.4.2 Ethernet as a Service 204
11.4.3 10 Gbps Ethernet and Beyond 204
11.5 Pseudo-Wire Emulation (PWE) and Virtual Private Lan Services
Over MPLS (VPLS) 205
11.6 Layers 2/1 Data Plane Integration 205
11.6.1 Sonet and TDM Extensions for Ethernet-Over-Sonet (EOS) 206
11.6.2 Virtual Concatenation 207
11.6.3 Link Capacity Adjustment Scheme 207
11.6.4 Generic Framing Procedure 207
11.7 Resilient Packet Rings (RPR) 207
11.8 User–Network Interfaces 208
11.9 Optical Interworking Forum Interoperability Demonstration 210
11.10 Infiniband 211
Acknowledgments 214
References 214

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Contents
12 Grid Networks and Layer 1 Services 217
Gigi Karmous-Edwards, Joe Mambretti, Dimitra Simeonidou,
Admela Jukan, Tzvetelina Battestilli, Harry Perros, Yufeng Xin,
and John Strand
12.1 Introduction 217
12.2 Recent Advances in Optical Networking Technology and
Responses 218
12.2.1 Layer 1 Grid Network Services 219
12.2.2 Benefits of Grid Layer 1 Services 219
12.2.3 The Role of Network Standards Bodies 221
12.3 Behavioral Control of Layer 1 Networks 224
12.3.1 Management Plane 225
12.3.2 Control Plane 225
12.4 Current Research Challenges for Layer 1 Services 229
12.4.1 Application-Initiated Connections 229
12.4.2 Interaction with Grid Middleware 232
12.4.3 Integrating Novel Optical Technologies 232
12.4.4 Resource Discovery and Coordination 233
12.5 All-Photonic Grid Network Services 235
12.5.1 All-Photonic Grid Service 235
12.5.2 Grid Service Scenarios for All-Photonic End-to-End
Connections 236
12.5.3 Physical Layer Quality of Service for Layer 1 Services 236
12.5.4 Requirements for an All-photonic End-to-End Grid Service 239
12.5.5 Open Issues and Challenges 239
12.6 Optical Burst Switching and Grid Infrastructure 240
12.6.1 Introduction to OBS 241

12.6.2 Grid-OBS as a Control Plane for Grid Networking 245
12.6.3 Advances in Optical Switching Technology that make
Grid-OBS a Viable Solution 246
12.6.4 Grid-OBS use Scenario 250
References 250
13 Network Performance Monitoring, Fault Detection, Recovery,
and Restoration 253
Richard Hughes-Jones, Yufeng Xin, Gigi Karmous-Edwards, John Strand
13.1 Introduction 253
13.2 Monitoring Characteristics 254
13.2.1 The Hoplist Characteristic 255
13.2.2 The Bandwidth Characteristic 256
13.2.3 The Delay Characteristic 256
13.2.4 The Loss Characteristic 257
13.2.5 The Closeness Characteristic 257
13.3 Network Monitoring Instrumentation and Analysis 258
13.3.1 Monitoring of Traffic Flows and Patterns 258
13.3.2 Lightweight Monitoring 259
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13.3.3 Detailed Network Investigations 261
13.3.4 Monitoring at the Application Level 262
13.4 General Considerations on Availability 262
13.5 Fault Detection 263
13.6 Recovery and Restoration 264
13.6.1 Protection for Circuit Switched Networks 266
13.6.2 Restoration for Burst/Packet-Switched Networks 268
13.7 Integrated Fault Management 272
References 273

14 Grid Network Services Infrastructure 277
Cees de Laat, Freek Dijkstra, and Joe Mambretti
14.1 Introduction 277
14.2 Creating Next-Generation Network Services and Infrastructure 278
14.2.1 End-to-End Principle 278
14.2.2 Packet-Based Data Units 279
14.2.3 Enhanced Functional Abstraction 279
14.2.4 Self-Organization 279
14.2.5 Decentralization 280
14.2.6 Distributed Service Creation 280
14.3 Large-Scale Distributed Facilities 280
14.4 Designs for an Open Services Communications Exchange 281
14.4.1 The Design of an Open Grid Services Exchange 281
14.4.2 Provisioning Implications 282
14.4.3 Exchange Facility Characteristics 282
14.5 Open Grid Optical Exchanges 283
14.5.1 Traditional Internet Exchanges 283
14.5.2 Rationale for an Open Optical Exchange 284
14.5.3 The Concept of an Optical Exchange 285
14.5.4 Interfaces and Protocols within an Optical Exchange 286
14.5.5 Optical Exchange Services 288
14.5.6 External Services 289
14.5.7 Service Matrix 289
14.5.8 Blueprint for an Optical Exchange 289
14.5.9 Monitoring in a Multilayer Exchange 289
14.6 Prototype Implementations 291
References 292
15 Emerging Grid Networking Services and Technologies 293
Joe Mambretti, Roger Helkey, Olivier Jerphagnon, John Bowers, and
Franco Travostino

15.1 Introduction 293
15.2 New Enabling Technologies 294
15.3 Edge Technologies 295
15.4 Wireless Technologies 295
15.4.1 Device-Level Wireless Technologies 296
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15.4.2 IEEE 802.11 296
15.4.3 Self-Organizing Ad Hoc Wireless Networks 297
15.4.4 IEEE SA 802.11b 297
15.4.5 IEEE 802.11a 298
15.4.6 IEEE 802.11g 298
15.4.7 Software-Defined Radios and Cognitive Radios 298
15.4.8 Radio Frequency Identification 299
15.4.9 Sensors 299
15.4.10 Light-Emitting Diodes (LEDS) 300
15.5 Access Technologies 300
15.5.1 Fiber to the Premises (FTTP) 300
15.5.2 Wireless Access Networks 301
15.5.3 Free Space Optics (FSO) 301
15.5.4 Light-Emitting Diodes 301
15.5.5 Broadband Over Power Lines (BPL) 301
15.6 Core Technologies 301
15.7 Photonic Integrated Circuits (PIC) 302
15.7.1 High-Performance Optical Switches 302
15.7.2 Recent Advances in High Performance Optical Switching 303
15.7.3 Optical Switch Design 304
15.7.4 Optical Switches in Core Networks 305
15.7.5 Reliability Issues 306

15.7.6 Future Advances in High-Performance Optical Switches 306
15.7.7 Implications for the Future 307
Acknowledgments 307
References 308
Appendix: Advanced Networking Research Testbeds and
Prototype Implementations 311
A.1 Introduction 311
A.2 Testbeds 312
A.2.1 OMNInet 312
A.2.2 Distributed Optical Testbed (DOT) 314
A.2.3 I-WIRE 314
A.2.4 OptIPuter 315
A.2.5 CHEETAH 316
A.2.6 DRAGON 316
A.2.7 Japan Gigabit Network II (JGN II) 317
A.2.8 Vertically Integrated Optical Testbed for Large Scale
Applications (VIOLA) 318
A.2.9 StarPlane 318
A.2.10 EnLIGHTened 319
A.2.11 Lambda User Controlled Infrastructure for European
Research 320
A.2.12 Global Environment for Network Innovations (GENI) 322
A.2.13 Department of Energy Ultrascience Net 323
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A.3 Prototype Implementations 323
A.3.1 StarLight 323
A.3.2 TransLight 324
A.3.3 NetherLight 325

A.3.4 UKlight 326
A.4 National and International Next Generation Communications
Infrastructure 326
A.4.1 CANARIE 326
A.4.2 SURFnet6 327
A.4.3 National Lambda Rail 327
A.5 International Facilities 328
A.5.1 Global Lambda Integrated Facility (GLIF) 328
A.5.2 Global Ring Network for Advanced Application Development
(GLORIAD) 329
A.5.3 UltraLight 330
A.5.4 GEANT2 330
Index 333
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Editors and
Contributors
Franco Travostino, Director, Advanced Technology and Research, Office of the CTO,
Nortel, Inc.; Technical Advisor, IP Storage, Internet Engineering Task Force; Area
Director for Infrastructure and Steering Group Member, Global Grid Forum; Chair,
High Performance Networking Research Group, and Co-Chair Telecom Community
Group, Global Grid Forum.
Joe Mambretti, Director, International Center for Advanced Internet Research,
Northwestern University, McCormick School of Engineering and Applied Science,
Northwestern University; Director, Metropolitan Research and Education Network;
Co-Director, StarLight; document author, High Performance Networking Research
Group, Global Grid Forum.
Gigi Karmous-Edwards, Principal Scientist, MCNC, North Carolina; Chair, Global
Lambda Grid Control Plane and Grid Integration Working Group; Adjunct Professor
of Computer Science, North Carolina State University; document author, High Perfor-

mance Networking Research Group, Global Grid Forum.
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Contributors
Jim Austin, Professor, University of York
Tzvetelina Battestilli, postdoctoral researcher, Advanced Technology Group,
MCNC, North Carolina
John Bowers, Chief Technology Officer, Calient Networks
Maxine Brown, Associate Director, Electronic Visualization Laboratory, University of
Illinois at Chicago
Angela Chiu, Principal Member, Research Staff, AT&T Labs – Research
Peter Clarke, Professor of e-Science, University of Edinburgh; Co-director of the
National e-Science Centre; Former Member, Steering Committee, Director, Data Area,
Global Grid Forum
Robert Cohen, Fellow, Economic Strategy Institute, Washington, DC; Area Director,
Industrial Applications, Global Grid Forum
Tom DeFanti, Director, Electronic Visualization Laboratory; Distinguished Professor
and Distinguished Professor Emeritus in the Department of Computer Science
and Director of the Software Technologies Research Center, University of Illi-
nois at Chicago; research scientist, California Institute for Telecommunications and
Information Technology (Calit2), University of California, San Diego; Co-director,
StarLight
Cees de Laat, Associate Professor, Faculty of Science, Informatics Institute,
Universiteit van Amsterdam; Area Director for Infrastructure, Global Grid Forum
Freek Dijkstra, Jr., researcher, Advanced Internet Research Group, Informatics
Institute, Universiteit van Amsterdam
Martyn Fletcher, research administrator, University of York
Robert Grossman, Professor and Director, National Center for Data Mining,
University of Illinois at Chicago; Managing Partner, Open Data Group
Eric He, PhD student, Electronic Visualization Laboratory, University of Illinois at

Chicago
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Contributors
Sanjay Hegde, research engineer, California Institute of Technology
Roger Helkey, Vice President of Research, Calient Networks
Laurin Herr, President, Pacific Interface, Inc.
Doan Hoang, Professor and Director, Advanced Research in Networking Labora-
tory (ARN), UTS Advanced Research Institute for Information and Communication
Technology, University of Technology, Sydney
Richard Hughes-Jones, Lead, e-Science Grid Network Research and Development,
Particle Physics Group, Manchester University; member, Trigger/DAQ Group, ATLAS
Experiment, Large Hadron Collider Program; Secretary, Particle Physics Network
Coordinating Group, United Kingdom; Co-chair, Network Measurements Working
Group, Global Grid Forum; Co-chair, PFLDnet
Tom Jackson, Professor, University of York
Olivier Jerphagnon, Network Consulting Manager, Calient Networks
Admela Jukan, Associate Professor, Énergie, Matériaux et Télécommunications –
INRS, Universite du Quebec, Montréal
Jason Leigh, Director, Electronic Visualization Laboratory, and Associate Professor,
Computer Science, University of Illinois at Chicago; document author, High Perfor-
mance Networking Working Research Group, Global Grid Forum
Steven Low, Associate Professor, California Institute of Technology
David Martin, Program Manager, Internet Standards and Technology, IBM;
Visiting Research Associate, International Center for Advanced Internet Research,
Northwestern University; document author, Grid Forum Steering Group, Global
Grid Forum
Kees Neggers, Managing Director, SURFnet bv; Director, GigaPort Network Project;
Chairman, RIPE NCC Executive Board; former President, Reseaux Associes pour la
Recherche Europeenne; Emeritus Trustee, Internet Society; Chair, Global Lambda

Integrated Facility
Harry Perros, Alumni Distinguished Graduate Professor, Computer Science Depart-
ment, North Carolina State University
Luc Renambot, PhD student and research associate, Electronic Visualization Labo-
ratory, University of Illinois at Chicago
Bill St. Arnaud, Senior Director, Advanced Networks, CANARIE, Canada
Martin Suchara, student, California Institute of Technology
John Strand, Consultant, AT&T Labs – Research
Dimitra Simeonidou, Professor, University of Essex; Chair, High Performance
Networking Research Working Group, Global Grid Forum
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