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OS Zoo

OS Zoo. Mainframe OS Vast I/O capability Types of services: Batch Transaction processing Timesharing Server OS Serve many users over network Types of services: print, file, web. OS Zoo cont’d. Multiprocessor OS Types: multicomputers, multiprocessors PC OS GUI for a single user RT OS

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OS Zoo

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  1. OS Zoo • Mainframe OS • Vast I/O capability • Types of services: • Batch • Transaction processing • Timesharing • Server OS • Serve many users over network • Types of services: print, file, web

  2. OS Zoo cont’d • Multiprocessor OS • Types: multicomputers, multiprocessors • PC OS • GUI for a single user • RT OS • Embedded OS • Smart Card OS

  3. Grid computing “The term grid is one that we have been particularly involved in promulgating, although it has also caught the fancy of many marketers in recent years. According to one definition, a grid is “a system that uses open, general-purpose protocols to federate distributed resources and to deliver better-than-best-effort qualities of service.”1 … grid technologies enable: (a) on-demand access to computing capabilities; and (b) the federation of distributed resources and the management of those distributed resources to meet end-user requirements.2 Thus, grid is a big-picture term used to describe solutions relating to the flexible use of distributed resources for a variety of applications—as well as a term that emphasizes the importance of standards to interoperability.” From The Different Faces of IT as Service, Ian Foster and Steven Tuecke's article from the Enterprise Distributed Computing issue of ACM Queue (Vol. 3, No. 6 - July/August 2005).

  4. Grid computing “The term grid application is often used to refer to applications that have been adapted to use a distributed infrastructure. Such applications have typically been parallelized and written to accommodate the dynamic addition and removal of physical resources. Application programming environments that help programmers write such applications include vendor products from Data Synapse and United Devices; the Message Passing Interface library; workflow systems; and open source systems such as Condor and Nimrod.” From The Different Faces of IT as Service, Ian Foster and Steven Tuecke's article from the Enterprise Distributed Computing issue of ACM Queue (Vol. 3, No. 6 - July/August 2005). http://www.gridforum.org/documents/Diff_Faces_foster.pdf

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