ch2 - Distributed Operating Systems 11 CS 7103 Advanced...

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CS 7103 Advanced Operating Systems Louisiana State University Rajgopal Kannan Distributed Operating Systems CS 7103 Advanced Operating Systems Louisiana State University Rajgopal Kannan 11
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CS 7103 Advanced Operating Systems Louisiana State University Rajgopal Kannan Criteria for a Distributed OS Design 1. Goals – Users and System providers 2. Transparency - Hide irrelevant system-dependent (physical) details - Provide a single logical view 3. Services Definition: Integration of distributed services that provide a transparent view of a multi-computer system with distributed resources and control. 22
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CS 7103 Advanced Operating Systems Louisiana State University Rajgopal Kannan Goals to Keep in Mind 1. Efficiency 2. Flexibility 3. Consistency 4. Robustness D-OS 3 objectives: -Coordination of distributed process -Management of distributed resources -Implementation of distributed algorithms 33
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Efficiency Impacted by Effect of communication delays Data propagation, protocol overhead, system load distribution Communication Solutions Efficient Communication primitives @lower level Efficient Communication protocols @network level Load Solutions Address bottlenecks Overlap communication and computation Optimize task scheduling and load balancing 44
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CS 7103 Advanced Operating Systems Louisiana State University Rajgopal Kannan Transparency, a.k.a. User-
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This note was uploaded on 01/25/2010 for the course CSC 7103 taught by Professor Kannan,r during the Fall '08 term at LSU.

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ch2 - Distributed Operating Systems 11 CS 7103 Advanced...

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