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David D. Clark’s paper
       “The Design Philosophy of the
        DARPA Internet Protocols”
                  1988

15 August 2008   NUS CS5229 Semester 1, 2008/09   1
15 August 2008   NUS CS5229 Semester 1, 2008/09   2
Why Internet is
                  the way it is?


15 August 2008      NUS CS5229 Semester 1, 2008/09   3
In the beginning..




15 August 2008       NUS CS5229 Semester 1, 2008/09   4
Need a communication network
     that will survive a war:

     multipath between two hosts

     divide messages into message blocks

     deliver the message blocks using store-
     and-forward switching
15 August 2008     NUS CS5229 Semester 1, 2008/09   5
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet
CS5229 Lecture 1: Design Principles of the Internet

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CS5229 Lecture 1: Design Principles of the Internet

  • 1. David D. Clark’s paper “The Design Philosophy of the DARPA Internet Protocols” 1988 15 August 2008 NUS CS5229 Semester 1, 2008/09 1
  • 2. 15 August 2008 NUS CS5229 Semester 1, 2008/09 2
  • 3. Why Internet is the way it is? 15 August 2008 NUS CS5229 Semester 1, 2008/09 3
  • 4. In the beginning.. 15 August 2008 NUS CS5229 Semester 1, 2008/09 4
  • 5. Need a communication network that will survive a war: multipath between two hosts divide messages into message blocks deliver the message blocks using store- and-forward switching 15 August 2008 NUS CS5229 Semester 1, 2008/09 5