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Lecture11 - COP 4600 Operating Systems Fall 2010 Click to...

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Click to edit Master subtitle style 8/1/11 Lecture 11 COP 4600 Operating Systems Fall 2010 Dan C. Marinescu Office: HEC 439 B Office hours: Tu-Th 3:30-4:30 PM
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Lecture 11 8/1/11 n Last time: n Soft modularity ¨ Procedure call conventions and the memory map; the stack; Errors ¨ Strongly-typed languages help enforce modularity. n Today: n Problem solving – problem 2.2 n Enforced modularity; message passing and the client-server model. ¨ Example of a client –server system: WWW ¨ Client-server organization ¨ Next time: ¨ Heterogeneity; little-endian and big-endian representation ¨ Timing, response time. ¨ Trusted intermediaries ¨ Case study the X11 system. n Peer-to-peer systems n Remote Procedure Calls n Domain Name Service (DNS) Lecture 11 – Tuesday September 29, 2010 22
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Lecture 11 8/1/11 33 D a t a S e r v e r r e s i d e n c e t i m e . W e b p a g e i s c r e a t e d o n t h e f l y U s e r ' s H T T P r e q u e s t S Y N S Y N A C K A C K + H T T P r e q u e s t T C P c o n n e c t i o n e s t a b l i s h m e n t R T T
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