McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Chapter 11 User Datagram Protocol (UDP)

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 11-1

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Process-to-Process Communication Host-to-Host Process-to-Process

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Ports To define a process a port is needed. Tipos: –Ephemeral: random port number defined by the client. –Well-known port number: defined port number defined by the server.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 11-3

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 11-4

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 11-5 (Ephemeral)

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Socket Address

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 UDP Conectionless, Unreliable.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Format del Frame

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Checksum Incluye: Pseudoheader, UDP Header, Data Comming form the application layer.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Example

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Operación Servicio Sin Conexión. NO tiene Control de Flujo. No tiene Control de Error

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Encapsulation

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Queues

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Multiplexing-Demultiplexing

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 UDP Design (keeptrack of the open ports)

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Chapter 12 Transmission Control Protocol (TCP)

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-1

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Process-to-Process Communication Host-to-Host Process-to-Process

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Ports To define a process a port is needed. Tipos: –Ephemeral: random port number defined by the client. –Well-known port number: defined port number defined by the server.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-3

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Well-known ports in TCP PortProtocol 7Echo 20FTP, Data 21FTP, Control 23TELNET

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-4

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-5

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-6

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-7

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-8

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-9

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-10

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-11

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-12

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-13

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-14

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-15

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-16

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-17

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-18

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-19

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-20

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-21

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-22

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-23

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-24

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-25

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-26

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-27

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-28

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-29

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 12-30