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Ch15

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Ch15 Ch15 Presentation Transcript

  • Chapter 15 Application Layer and Client-Server Model
  • CONTENTS
    • CLIENT-SERVER MODEL
    • CONCURRENCY
    • PROCESSES
  • Figure 15-1 Comparison between OSI and TCP/IP
  • CLIENT-SERVER MODEL 15.1
  • Figure 15-2 Client-server model
  • Figure 15-3 Client-server relationship
  • CONCURRENCY 15.2
  • Figure 15-4 Server types
  • Figure 15-5 Connectionless iterative server
  • Figure 15-6 Connection-oriented concurrent server
  • PROCESSES 15.3
  • Figure 15-7 Programs and processes
  • Figure 14-8 Prototype for the getpid function
  • Figure 15-9 A program that prints its own processid
  • Figure 14-10 Prototype for the fork function
  • Figure 14-11 A program with one parent and one child
  • Figure 15-12 A program with two fork functions
  • Figure 15-13 The output of the program in Figure 15.12
  • Figure 15-14 A program that prints the processids of the parent and the child
  • Figure 15-15 Example of a server program with parent and child processes