Digicom%20II%20Digital%20Communications%20Part%20II - PowerPoint PPT Presentation

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Digicom%20II%20Digital%20Communications%20Part%20II

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Digicom II Digital. Communications Part II. Based on book by Keshav ' ... The Internet (about 25 years old, and looking decidedly shakey) ... – PowerPoint PPT presentation

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Title: Digicom%20II%20Digital%20Communications%20Part%20II


1
Digicom II Digital Communications Part II
  • Based on book by Keshav
  • An Engineering Approach to Computer Networking
  • Jon Crowcroft
  • http//www.cl.cam.ac.uk/jac22

2
Any Questions?
  • otherwise we can avoid all these 11am meetings?

3
DC-II (DC-I) - Contents
  • The Telephone Net (well its been around 100
    years, so there must be some lessons in it)
  • The Internet (about 25 years old, and looking
    decidedly shakey)
  • Asyncronous Transfer Mode (a failed, but bold
    attempt to mix Telepone and Internet)
  • Classic Simplistic Model of Modular Functionality
    for Communications
  • Some Systems Design Paradigms, often orthogonal
    to Layers
  • Naming and Addressing, i.e. who is where?
  • A List of common protocols - see if you can spot
    design patterns?
  • Some Mapping onto implementation for CS
  • Routing - How many ways can we get from A to B?

4
DCII Contents continued
  • Shared Media Networks (Ether/Radio etc) - some
    special problems
  • Switched Networks - What does a switch do and
    how?
  • Integrated Service Packet Networks for IP
  • APIs to Quality of Service
  • Scheduling and Queue Management Algorithms for
    packet forwarding
  • What about routing with QoS
  • The Big Picture for manageing traffic
  • Economics, Policy and a little MPLS
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