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Distributed Computing Environment (DCE)

Mark Daniel Gibbons. Distributed Computing Environment (DCE). Proposition. Open Software Foundation (OSF) Consortium Open Unix environment No influence AT&T and Sun [closed]. Services. DCE Threads RPC Security Directory services Unix & Non-Unix Sits on top of OS

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Distributed Computing Environment (DCE)

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  1. Mark Daniel Gibbons Distributed Computing Environment (DCE)

  2. Proposition • Open Software Foundation (OSF) • Consortium • Open Unix environment • No influence AT&T and Sun [closed]

  3. Services • DCE • Threads • RPC • Security • Directory services • Unix & Non-Unix • Sits on top of OS • Hierarchical Structure • Kernel, Transport Service • Processes • Threads

  4. Architecture

  5. Primary Objects • Distributed file service • Others built upon • Concurrency control • Group management • Security & management • All layers

  6. DCE RPC • TCP • UDP • Cell – group as a unit • Client & server • Cell servers communication

  7. Latest relevant knowledge • Papers dated in the 90s (max 1997 found) • Measuring RPC traffic • Performance of RCP • Integrating RCP and COBRA • Distributed shared memory • Services using DCE • Ideas of DCE used • DCE Today – Latest book (1998)

  8. Future works • My prediction • Prevalence of DCE will diminish • A better model will emerge • Web services • Some basic foundations by stay • RPC • Basic services → Time, name • Kernel & transport services

  9. References • Chow, Randy, and Theodore Johnson. Distributed Operating Systems & Algorithms. Reading, MA: Addison Wesley, 1997 • Sun, Ying, Rick Bunt, and Greg Oster. "Measuring RPC Traffic in an OS/2 DCE Environment." Proceedings Fifth International Symposium on MASCOTS (1997): 51-54. Print. • "DCE -- OpenDCE -- Portal." Front Page | The Open Group. Web. 11 Sept. 2011. <http://www.opengroup.org/dce/>.

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