Panel at Internet2 Spring Meeting, April 2010

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Scientific Applications & High Speed Networks Dr. Gabrielle Allen Departments of Computer Science and Physics & Astronomy Center for Computation & Technology Louisiana State University NSF 0947825 (EAVIV), 0904015 (Einstein Toolkit)

Transcript of Panel at Internet2 Spring Meeting, April 2010

Page 1: Panel at Internet2 Spring Meeting, April 2010

Scientific Applications & High Speed Networks

Dr. Gabrielle AllenDepartments of Computer Science and

Physics & AstronomyCenter for Computation & Technology

Louisiana State University

NSF 0947825 (EAVIV), 0904015 (Einstein Toolkit)

Page 2: Panel at Internet2 Spring Meeting, April 2010

Why are Networks Important for Science?

• Science & engineering increasing data driven– “data tsumani”, NSF DataNet– Cannot store all data, stream processing

• Non-traditional applications e.g. music, art– Fundamentally large data

• Remote collaboration is crucial– New capabilities needed– Really interactive!

• Exascale: workflow assumes remote analysis• Many current scientific use cases– Petascale & multicore issues ahead

• Use cases crucial for my scientific research

Page 3: Panel at Internet2 Spring Meeting, April 2010

Multi-physics Simulations

Multi-phase fluids for neutron star cores(nuclear densities,

radiation transport, neutrino transport)

Cosmological spacetimes

Modeling Gamma Ray Bursts

Gravitational waves traveling through

vacuum spacetimeNeed: Co-scheduling, data transfer between components

Page 4: Panel at Internet2 Spring Meeting, April 2010

Group Data

Data Archiving

Community Archive

Published DataGroup Data

Ranger

Kraken

Queen Bee

Local analysis

Large scale resources

Terabytes of data to be moved (and described).

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Distributed Analysis and Visualization

Andrei will describe: interactivity, large distributed data, co-scheduling, many challenges

Page 6: Panel at Internet2 Spring Meeting, April 2010

Collaboration

Einstein Toolkit Team: multiple sites collaborating in US, Europe, Japan

Need technologies that allow real interaction, sharing whiteboard, easy and quick to set up

Page 7: Panel at Internet2 Spring Meeting, April 2010

Challenges• Computational scientists more comfortable with

clusters/filesystems than networks– Limits science! Scaled down resources

• Networking currently involves many partners, long timescales. International connectivity very hard.– High level application-oriented services needed.– APIs between services and applications

• Crucial– End-to-end capabilities (Science done on workstations/laptops– Persistency and production quality– Additional tools, e.g. advanced reservations, on-demand provisioning.

• Need to have real working prototypes to be able to get to details … not just about moving files, new science scenarios


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