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COT 4600 Operating Systems Fall 2010

COT 4600 Operating Systems Fall 2010. Dan C. Marinescu Office: HEC 439 B Office hours: Tu-Th 3:30-4:30 PM. Last time: Discussion of “Hints for Computer Systems Design” by Butler Lampson. Memory. Today: Interpreters. Communication links. Naming. Next time Naming.

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COT 4600 Operating Systems Fall 2010

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  1. COT 4600 Operating Systems Fall 2010 Dan C. Marinescu Office: HEC 439 B Office hours: Tu-Th 3:30-4:30 PM

  2. Last time: Discussion of “Hints for Computer Systems Design” by Butler Lampson. Memory. Today: Interpreters. Communication links. Naming. Next time Naming. Lecture 6 – Thursday September 9, 2010 Lecture 6

  3. Interpreters Active elements. Hardware interpreters; software interpreters Three abstractions: instruction reference, repertoire, and environment reference. Flow of control; interrupts. Processors. Finite-state machine with a number of distinguished initial states. Layered organization. Example: a calendar program in Java. Lecture 6

  4. Communication links • Primitives: send, receive. • Wires and networks • The Internet • Internet Core and Edge • Hourglass communication model • Protocol stack • The hardware • Router • Network adaptor Lecture 6

  5. Figure 2.5 from the textbook Lecture 6 5

  6. Figure 2.7 from the textbook Lecture 6 6

  7. Internet Core and Edge Lecture 6

  8. Hourglass communication model Lecture 6

  9. Transport and Network Services Lecture 6

  10. Multiplexing and Demultiplexing Lecture 6

  11. Lecture 6

  12. Application, Transport, Network, and Data Link Layer Protocols Lecture 6

  13. It's a long way to Tipperary it's a long way to go!! Lecture 6

  14. From Local Area to Wide Area Networks Lecture 6

  15. Message delivery to processes Lecture 6

  16. Sockets and Ports Lecture 6

  17. Router Lecture 6

  18. Router supporting QoS (Quality of Service) Lecture 6

  19. The network adaptor Lecture 6

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