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Lecture TCP-IP protocol suite - Chapter 15: Application layer and client-server model

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This chapter is an introduction to the application layer. In the next eight chapters we introduce common client-server applications used in the Internet. In this chapter, we give a general picture of how a client-server program is designed and give some simple codes of their implementation. The area of network programming is a very vast and complicated one; it cannot be covered in one chapter. We need to give a bird’s-eye view of this discipline to make the contents of the next eight chapters easier to understand.

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Nội dung Text: Lecture TCP-IP protocol suite - Chapter 15: Application layer and client-server model

  1. Chapter 15 Application Layer and Client­Server Model McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  2. CONTENTS •  CLIENT­SERVER MODEL •  CONCURRENCY •  PROCESSES McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  3. Figure  15­1 Comparison between OSI and TCP/IP McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  4. 15.1 CLIENT-SERVER MODEL McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  5. Figure  15­2 Client-server model McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  6. Figure  15­3 Client-server relationship McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  7. 15.2 CONCURRENCY McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  8. Figure  15­4 Server types McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  9. Figure  15­5 Connectionless iterative server McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  10. Figure  15­6 Connection-oriented concurrent server McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  11. 15.3 PROCESSES McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  12. Figure  15­7 Programs and processes McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  13. Figure  14­8 Prototype for the getpid function McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  14. Figure  15­9 A program that prints its own processid McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  15. Figure  14­10 Prototype for the fork function McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  16. Figure  14­11 A program with one parent and one child McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  17. Figure  15­12 A program with two fork functions McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  18. Figure  15­13 The output of the program in Figure 15.12 McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  19. Figure  15­14 A program that prints the processids of the parent and the child McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  20. Figure  15­15 Example of a server program with parent and child processes McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
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