Internet2 Distributed Storage Infrastructure Update Micah Beck andTerry Moore Univ. of Tennessee, Knoxville Bert Dempsey Univ. of North Carolina, Chapel.

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Presentation transcript:

Internet2 Distributed Storage Infrastructure Update Micah Beck andTerry Moore Univ. of Tennessee, Knoxville Bert Dempsey Univ. of North Carolina, Chapel Hill Coalition for Networked Information 26 & 27 April 1999, Washington, DC

I2-DSI Participants zUT Knoxville / ICL yMicah Beck yTerry Moore yMartin Swany yJudi Talley zUNC Chapel Hill /SILS yBert Dempsey yPaul Jones (MetaLab) yDebra Weiss yZhiwei Xiao z GigaPOP and Campus Site Managers z UCAID/Internet2 yNetwork Storage Working Group yTed Hanss Applications Director yAnn O’Beay Corp. Relations Director z NC Networking Initiative z Digital Library Federation

I2-DSI Model: Replicated Services zClients access nearby server zEveryone gets performance zLocal resources implement a global service

I2-DSI Service Architecture zReplication yRsynch, Omnicast, AFS/DFS Novell Replication zResolution ySonar DNS, Distributed Director zDelegation yCache prefetch general users replicated core delegated server local users

Current Server Deployment

Infrastructure Expansion zStorageTek y3-4 PC/Linux Servers y700GB disk, tape backup (hot!) zNovell y6 PC/NetWare Servers y100GB disk ySmaller institutions or departments

Infrastructure Development Efforts zProximity Resolution xMartin Swany: SonarDNS xGeoff Carpenter, German Goldszmidt: Narwhal (IBM) zReplication Mechanisms and Modeling yBert Dempsey & students: xDebra Weiss: Batch rsync + multicast xZhiwei Xiao: Network metrics and modeling zChannel Representation and Server xLeif Abrahamsson, Christophe Achouiantz, Patrik Johansson (Ellemtel)

I2-DSI Applications Workshop Chapel Hill, NC March 4 &5, 1999 z10 applications yIndiana: Digital music and media library yUNC-CH: Instructional Management System ySan Jose State: Art history images yVanderbilt: zoomable medical images yViagenie: Network docs database yColumbia: Earth sciences environment yUNC-CH: Virtual Laboratories yOhio Supercomputer Center: High Volume Datasets yCalTech: Globally Interconnected Databases yUniv. of Kent: National Software Archive yRed Hat: pan-Linux source distribution

I2-DSI Applications Workshop Chapel Hill, NC March 4 &5, 1999 z4 technologies xMinnesota: Scalable Video xIBM Research: Multicast, Filter and Store xMoscow Ctr. for New Info. Tech. in Med. Ed.: Semantic Text Analysis xIBM Research: Service Resolution Proxy  zSpecial issue of the Journal of Network and Computer Applications (Academic Press)

Application Management Partner MetaLab.unc.edu zThe site formerly known as SunSITE.unc.edu zFearless Leader Paul Jones z“A cool, tall glass of sweet tea on a hot day.” z 2 M HTTP & 1/3 M FTP file transfers daily zCollections policy yteaching, research, or public service yuse technology in innovative and unique ways ynon-commercial or not-for-profit

The Need for Channel Representation Standards Origin Server proxy Replicated Server Standard-based Web traffic Replication of source files Web clients locally interpreted files Replicated Server replicated files

Conclusions zA server platform is in place zInfrastructure development yService abstractions (search, computation) yPublication and replication protocols yPortable representation and API yHeterogeneous servers zSix months to show results from initial application development efforts