Lecture9 - OP 5611 Operating Systems Spring 2010 Dan C....

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Unformatted text preview: OP 5611 Operating Systems Spring 2010 Dan C. Marinescu Office: HEC 439 B Office hours: M-Wd 2:00-3:00 PM 2 Lecture 9 Reading Assignment: Chapter 7 from the online textbook HW1 due today. Remember: A progress report for the project is due on every Monday till week 12. Last time: Thread coordination and scheduling Multi-level memories I/O bottleneck Today: Network properties Layering Data link layer Next time Network layer 3 Properties of Networks Physical limitations: Speed of light finite communication latency Hostile environments Limited channel capacity limited bandwidth Channels are shared - multiplexed Why: Support any-to-any communication Share costs How Isochronous multiplexing scheduled access TDM FDM Asynchronous multiplexing 4 Communication channels are multiplexed 5 Data flow on an isochronous link 6 A data communication network 7 Asynchronously multiplexed link 8 Communication Continuous versus bursty...
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This note was uploaded on 07/30/2011 for the course COP 5611 taught by Professor Staff during the Spring '08 term at University of Central Florida.

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Lecture9 - OP 5611 Operating Systems Spring 2010 Dan C....

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