Dynamic provisioning of lightpath services for radio astronomy applications

Authors:
Jerry Sobieski;Tom Lehman;Bijan Jabbari;Chester Ruszczyk;Rick Summerhill;Alan Whitney
Affiliations:
Mid-Atlantic Crossroads, College Park, MD;University of Southern California/Information Sciences Institute;George Mason University, Fairfax, VA;MIT Haystack Observatory, MA;Internet;MIT Haystack Observatory, MA
Venue:
Future Generation Computer Systems - IGrid 2005: The global lambda integrated facility
Year:
2006

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Abstract

A demonstration at iGRID 2005 used dynamic, deterministic, and dedicated LightPath network services to link radio telescopes from around the world with computational facilities at the MIT Haystack Observatory to create a single coherent instrument for real-time astronomical and geodetic research. The "electronic Very Long Baseline Interferometry" (e-VLBI) application provides ultra-high resolution images of very faint and very distant objects in the universe. The application-specific network topology carried 2 Gbps of VLBI data from radio telescopes in Europe, North America, and Japan to Haystack for real-time correlation processing. This paper describes the application, the network technologies employed for the demonstration, the results, challenges and future work.