GFD Publication History: Full Recommendations To Date Full REC status represents OGF’s highest level of output standard:Requires documentation of multiple implementations in the ﬁeld and a separate review after at least 6 months of practical experience.
LSN-MAGIC Meeting February 22, 2012 XSEDE: The Next Generation of US Supercomputing InfrastructureThe Role of Standards for Risk Reduction andInter-operation in XSEDE OGF standardsAndrew Grimshaw power the largest supercomputing infrastructures in the world!
UNICORE in XSEDE:Towards a large-scalescientific Environmentbased on Open StandardsEvolution from TeraGrid in establishing the key standards thatStarting in 2001, the National Science now define the interfaces of the XSEDEFoundation program TeraGrid has de- Enterprise Services. Within the Gridveloped into one of the world’s largest Interoperation Now (GIN) communityand most comprehensive Grid projects, group of the Open Grid Forum (OGF,offering resources and services to www.ogf.org), such key standards asmore than 10,000 scientists. It’s suc- BES/JSDL inSiDE • Vol. 9 remote compu- for running No.2 • Autumn 2011cessor, the Extreme Science and Engi- tations have demonstrated their impact Proneering Discovery Environment (XSEDE, on scientific applications. Based onwww.xsede.org), has started in July these standards, scientific workflows Innovatives Supercomputing2011 and is expected to excel the pre- can be executed today across different in Deutschlandvious program in terms of service quality infrastructures with no less than 8while lowering technological entry different Grid middleware technologies.barriers at the same time. These andother goals are to be achieved in the Jülich’s Role in XSEDEproject’s five year grant period with an The JSC not only contributes its exten-overall budget of $121 million. Among sive Grid know-how gained fromthe partnership of 17 institutions, the European research projects and its Figure 1: The current XSEDE architecture aims at providing XSEDE Enterprise Services at every major • Morris RiedelJülich Supercomputing Centre (JSC) is experience in standard-based software XSEDE site and optionally available Community Provided Services. The architecture will evolve over time • Bastian Demuth according to end-users needs.the only organization located outside engineering, but also a technologythe USA. called Uniform Interface to Computing Jülich Resources (UNICORE, www.unicore.eu). lightweight Genesis II services, UNICORE resulting infrastructure is expected to SupercomputingOpen Standards-based Being developed by partners all over meets all the security requirements of cover both high performance and high CentreArchitecture Europe, UNICORE is a Grid system that modern High Performance Computing throughput computing, thus enablingSince many scientific communities op- provides secure and seamless access centres and provides extensive support innovative research and discovery re-erate internationally, one key element mechanisms to a variety of different for their highly specialized hardware as quiring both types of parallel computa-of XSEDE is the use of open standards computer systems and platforms. well as their varying batch systems. tions. Moreover, collaboration betweenin order to promote interoperability It facilitates the remote execution of American and European scientists willwith other distributed computing infra- scientific applications as well as shar- Infrastructure Vision be easier than ever: UNICORE will alsostructures such as PRACE in Europe. ing software, resources and data. The XSEDE architecture envisions be deployed on the European Grid Infra-Figure 1 shows the extended reference UNICORE is fully based on Web ser- deploying UNICORE as part of the XSEDE structure (EGI) and is already installedarchitecture providing mandatory vices and open standards in order to Enterprise Services at major US high on many of the systems forming theXSEDE Enterprise Services at every allow seamless interoperation with performance centres whereas Genesis II infrastructure of the European super-major XSEDE site as well as optionally other standard compliant Grid sys- will be used for integrating smaller computing project PRACE.available Community Provided Services. tems such as Genesis II which is computer systems such as desktop PCsFor many years, the JSC and several developed at the University of Virginia. in order to provide interoperability withother XSEDE partners have been active Being complementary to the more campus Grids across the country. The 11
XSEDE Services Layer: LSN-MAGIC Meeting February 22, 2012 Simple services combined in many ways –Resource Namespace Service 1.1 –OGSA Basic Execu8on Service –OGSA WSRF BP – metadata and no4ﬁca4on –OGSA-‐ByteIO –GridFTP Examples – (not a complete list) –JSDL, BES, BES HPC Proﬁle –WS Trust Secure Token Services –WSI BSP for transport of creden4als –… (more than we have room to cover here) XSEDE represents a the state of the art in the use of modern standards in international supercomputing cyberinfrastructure.Andrew Grimshaw 12