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Ensuring Long-Term Access to Government Documents Through Virtualization Geoffrey Brown Indiana University Department of Computer Science

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Ensuring Long-Term Access to Government Documents Through Virtualization Geoffrey Brown Indiana University Department of Computer Science Ensuring Long-Term Access to Government Documents Through Virtualization Geoffrey Brown Indiana University Department of Computer Science Issues We are Trying To Solve Documents in FDP (for example) require obsolete applications and operating systems Installing documents to access them requires specialized expertise These problems generalize to SUDOC documents on CD-ROM 3 7.8"3&8)*5&1"1&3 7JSUVBMJ[BUJPO0WFSWJFX *OUSPEVDUJPO 7JSUVBMJ[BUJPOJOB/VUTIFMM "NPOHUIFMFBEJOHCVTJOFTTDIBMMFOHFTDPOGSPOUJOH$*0TBOE 4JNQMZQVU WJSUVBMJ[BUJPOJTBOJEFBXIPTFUJNFIBTDPNF *5NBOBHFSTUPEBZBSFDPTUFGGFDUJWFVUJMJ[BUJPOPG*5JOGSBTUSVD 5IFUFSNWJSUVBMJ[BUJPOCSPBEMZEFTDSJCFTUIFTFQBSBUJPOPGB UVSFSFTQPOTJWFOFTTJOTVQQPSUJOHOFXCVTJOFTTJOJUJBUJWFT SFTPVSDFPSSFRVFTUGPSBTFSWJDFGSPNUIFVOEFSMZJOHQIZTJDBM BOEGMFYJCJMJUZJOBEBQUJOHUPPSHBOJ[BUJPOBMDIBOHFT%SJWJOH EFMJWFSZPGUIBUTFSWJDF8JUIWJSUVBMNFNPSZ GPSFYBNQMF BOBEEJUJPOBMTFOTFPGVSHFODZJTUIFDPOUJOVFEDMJNBUFPG*5 DPNQVUFSTPGUXBSFHBJOTBDDFTTUPNPSFNFNPSZUIBOJT CVEHFUDPOTUSBJOUTBOENPSFTUSJOHFOUSFHVMBUPSZSFRVJSFNFOUT QIZTJDBMMZJOTUBMMFE WJBUIFCBDLHSPVOETXBQQJOHPGEBUBUP 7JSUVBMJ[BUJPOJTBGVOEBNFOUBMUFDIOPMPHJDBMJOOPWBUJPOUIBU EJTLTUPSBHF4JNJMBSMZ WJSUVBMJ[BUJPOUFDIOJRVFTDBOCFBQQMJFE BMMPXTTLJMMFE*5NBOBHFSTUPEFQMPZDSFBUJWFTPMVUJPOTUPTVDI UPPUIFS*5JOGSBTUSVDUVSFMBZFSTJODMVEJOHOFUXPSLT TUPSBHF CVTJOFTTDIBMMFOHFT MBQUPQPSTFSWFSIBSEXBSF PQFSBUJOHTZTUFNTBOEBQQMJDBUJPOT 5IJTCMFOEPGWJSUVBMJ[BUJPOUFDIOPMPHJFTPSWJSUVBMJOGSBTUSVD UVSFQSPWJEFTBMBZFSPGBCTUSBDUJPOCFUXFFODPNQVUJOH TUPSBHFBOEOFUXPSLJOHIBSEXBSF BOEUIFBQQMJDBUJPOTSVOOJOH POJU TFF'JHVSF 5IFEFQMPZNFOUPGWJSUVBMJOGSBTUSVDUVSF JTOPOEJTSVQUJWF TJODFUIFVTFSFYQFSJFODFTBSFMBSHFMZ VODIBOHFE)PXFWFS WJSUVBMJOGSBTUSVDUVSFHJWFTBENJOJTUSBUPST VirtualizaUIFBEWBOUBHFPGNBOBHJOHtioNQPPMFESFTPVSDFTBDSPTTUIFFOUFS QSJTF BMMPXJOH*5NBOBHFSTUPCFNPSFSFTQPOTJWFUPEZOBNJD PSHBOJ[BUJPOBMOFFETBOEUPCFUUFSMFWFSBHFJOGSBTUSVDUVSF JOWFTUNFOUT "QQMJDBUJPO "QQMJDBUJPO "QQMJDBUJPO 0QFSBUJOH4ZTUFN 0QFSBUJOH4ZTUFN 0QFSBUJOH4ZTUFN 7.XBSF7JSUVBMJ[BUJPO-BZFS Y"SDIJUFDUVSF Y"SDIJUFDUVSF $16 .FNPSZ /*$ %JTL $16 .FNPSZ /*$ %JTL #FGPSF7JSUVBMJ[BUJPO "GUFS7JSUVBMJ[BUJPO t4JOHMF04JNBHFQFSNBDIJOF t)BSEXBSFJOEFQFOEFODFPGPQFSBUJOH t4PGUXBSFBOEIBSEXBSFUJHIUMZDPVQMFE TZTUFNBOEBQQMJDBUJPOT t3VOOJOHNVMUJQMFBQQMJDBUJPOTPOTBNFNBDIJOF t7JSUVBMNBDIJOFTDBOCFQSPWJTJPOFEUPBOZ PGUFODSFBUFTDPOGMJDU TZTUFN t6OEFSVUJMJ[FESFTPVSDFT t$BONBOBHF04BOEBQQMJDBUJPOBTBTJOHMF VOJUCZFODBQTVMBUJOHUIFNJOUPWJSUVBM t*OGMFYJCMFBOEDPTUMZJOGSBTUSVDUVSF NBDIJOFT 'JHVSF7JSUVBMJ[BUJPO Source: Virtualization Overview, Copyright VMware 4 Model Architecture Document Document Repository Web Software Repository Compute Server Supporting Files Server Software OS Emulator 7 Actions in Response To Patron Request A pre-configured emulator is allocated Emulator is customized Document file system mounted Document specific installation executed Shared file directories created for patron use Link to emulator and web accessible file system provided through patron browser Emulator executes remotely under patron control 8 Software required For FDP Windows 98 (most disks were for msdos, win 3.1) DBase III -- (dbfviewer2000) WordPerfect Lotus 1-2-3 (smartsuite, smartsuite viewer) Microsoft Word (we use free msword viewer) Various Archive Tools Browser (we use Firefox) Generic Postscript Printer Driver Software we didn’t install -- pascal, fortran, sas, arcinfo 9 SUDOC Virtualization Project Approximately 2500 SUDOC CD-ROMs in IU Library We’ve built an online database of roughly 1800 CD-ROMs (about 1500 items) Analyzed software requirements for about 1000 10 SVP 11 Philosophical Issues Who Preserves the Emulator ? Why Not Just Migration ? 18 100 90 Emulators 80 Office Applications 70 User Interfaces 60 Operating Systems 50 40 30 20 Million Lines of Code 10 1 900 800 700 600 500 400 300 200 Thousand Lines of Code 100 0 KDE Xpdf Wine Qemu Bochs Plex86 Koffice Mozilla Pearpc Dosbox Xen 3.0 Dosemu Open Office Windows 98 Windows XP Windows 3.1 Debian Linux Xen Hypervisor Why not just migration Loss of information -- e.g. word edits Loss of fidelity -- e.g. WordPerfect to Word isn’t very good Loss of authenticity -- users of migrated document need access to original to verify authenticity Not always possible -- closed proprietary formats Not always feasible -- costs may be too high Emulation may necessary to enable migration 20 Goals Deliver key SUDOC collections through virtualization Develop web delivery techniques Improve our software analysis tools Develop image customization techniques (e.g. perform software install on the fly) 23 How this Work Might be Used Libraries share pool of software images and licenses Libraries share expertise in supporting various document collections Libraries collaborate to provide redundancy Patrons access from anywhere without needing to obtain or install special software 24 acknowledgments Lou Malcomb (IU Head GIMSS) Julianne Bobay (IU Head SLIS Library) government Search IUB Libraries SERVICES FOR: Faculty Graduate Students Undergraduates Distance Learners Visitors IUCAT | Ask a Librarian 25 Find Information Libraries & Collections Library Services About IUB Libraries IUCAT Library Catalog Collections by Subject Getting Started A - Z Search All Collection Managers Borrow, Renew & Request Welcome from the Dean Databases A-Z Libraries at IUB E-Reserves Hours & Locations Databases by Subject Libraries at Other IU Campuses Class Reserves Alumni & Donors Databases by Type New Resources Ask a Librarian Departments & Staff Online Full-Text Journals Scholarly Communication Computing & More OneSearch @IU IUScholarWorks Employment Plan now to attend welcome tours and get-to-know-us workshops. ...... 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