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Universidad de la SabanaIngeniería InformáticaRedes II<br />Ing. Ronald Gutiérrez<br />
Modelo OSI<br />
OSI Reference Model<br />7 	Application layer<br />	This layer is the top of the stack, or the highest level of functional...
OSI Reference Model<br />5	Session layer<br />	The flow of communications between two computer systems is known as a sessi...
OSI Reference Model<br />3	Network layer<br />	A communications session doesn't necessarily always occur between two compu...
OSI Reference Model<br />
OSI Reference Model<br />
TCP/IP Protocols in Relation to the OSI Reference Model<br />TCP<br />Three-WayHandshake<br />SlidingWindow<br />SlowStart...
TCP/IP Protocols in Relation to the OSI Reference Model<br />Internet Control Management Protocol (ICMP)<br />Internet Gro...
TCP/IP Protocols in Relation to the OSI Reference Model<br />Ethernet II<br />802.3 Media Access Control (MAC)<br />802.2 ...
TCP/IP Protocols in Relation to the OSI Reference Model<br />Ethernet Media<br />UnshieldedTwistedPair (UTP)<br />Single M...
Ethernet Signaling and Coding</li></li></ul><li>Taller<br />Realice la lectura asignada, busque en internet los datos adic...
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Transcript of "0 presentacion de introduccion"

  1. 1. Universidad de la SabanaIngeniería InformáticaRedes II<br />Ing. Ronald Gutiérrez<br />
  2. 2. Modelo OSI<br />
  3. 3. OSI Reference Model<br />7 Application layer<br /> This layer is the top of the stack, or the highest level of functionality. In the driving example, the application drove the car. In the OSI model, the application layer is your computer program. It could be your browser, e-mail, or instant messaging software.<br />6 Presentation layer<br /> The presentation layer is responsible for directly accepting data from the application, as well as preparing data that was received from another computer for the application. This could include things like encrypting or decrypting data and a lot of other, less familiar, functions.<br />
  4. 4. OSI Reference Model<br />5 Session layer<br /> The flow of communications between two computer systems is known as a session. The session layer describes all the mechanisms and processes needed to manage a session.<br />4 Transport layer<br /> The next set of necessary functions manages the data sent and received in a session. When sending data, this includes breaking received data into smaller pieces for transmission and uniquely numbering each piece so the recipient knows how reassemble them. When receiving data, this set of steps includes making sure the data arrives intact (not damaged) and then putting everything together in its original order before handing the data off to the session layer.<br />
  5. 5. OSI Reference Model<br />3 Network layer<br /> A communications session doesn't necessarily always occur between two computers on the same network. Sometimes, those computers are literally half a world away from each other. In such cases, the network layer contains the mechanisms that map out the best route for that session.<br />2 Data link layer<br /> The data link layer is where the rules, processes, and mechanisms for sending and receiving data over a LAN are defined.<br />1 Physical layer<br /> This layer includes all the procedures and mechanism you need to both place data onto the network's wire for transmission and to receive data sent to you on that same wire.<br />
  6. 6. OSI Reference Model<br />
  7. 7. OSI Reference Model<br />
  8. 8. TCP/IP Protocols in Relation to the OSI Reference Model<br />TCP<br />Three-WayHandshake<br />SlidingWindow<br />SlowStart<br />CongestionAvoidance<br />FastRetransmit and FastRecovery<br />MaximumSegmentSize<br />TCP overSatellite and WindowScaleOption (WSOpt)<br />Pragmatic General Multicast (PGM) <br />UserDatagramProtocol (UDP)<br />TransportLayer<br />TCP/IP<br />Protocols<br />
  9. 9. TCP/IP Protocols in Relation to the OSI Reference Model<br />Internet Control Management Protocol (ICMP)<br />Internet Group Management Protocol (IGMP)<br />AddressResolutionProtocol (ARP)<br />ProtocolIndependentMulticast (PIM)<br />Network Layer<br />IP<br />
  10. 10. TCP/IP Protocols in Relation to the OSI Reference Model<br />Ethernet II<br />802.3 Media Access Control (MAC)<br />802.2 Logical Link Control (LLC)<br />Carrier Sensing Multiple Access/Collision Detection (CSMA/CD)<br />Data link Layer<br />Ethernet Data Link<br />
  11. 11. TCP/IP Protocols in Relation to the OSI Reference Model<br />Ethernet Media<br />UnshieldedTwistedPair (UTP)<br />Single Mode and MultimodeFiber<br />Ethernet Signaling and Coding<br />Manchester EncodedSignaling<br />MultilevelTransitionLevel 3 (MLT-3)Signaling<br />Non-ReturntoZero (NRZ) Signaling<br />NRZ-Inverted (NRZ-I) Signaling<br />4B/5B Coding<br />8B/10B Coding<br />Pulse AmplitudeModulationLevel 5 (PAM5<br />PhysicalLayer<br /><ul><li>Ethernet Media
  12. 12. Ethernet Signaling and Coding</li></li></ul><li>Taller<br />Realice la lectura asignada, busque en internet los datos adicionales que sean requeridos y exponga el tema ante el auditorio. Finalmente alimente el Wiki con sus aportes complementando los de los compañeros.<br />Libro de referencia:<br /> Content Networking Fundamentals<br />
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