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Modelo OSI camadas


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Modelo OSI camadas

  1. 1. Modelo OSI Camadas<br />Disciplina: Instalação e Configuração de Computadores<br />Trabalho elaborado por: Mário Lucas 8ºH<br />
  2. 2. Physical – defines the characteristics of the physical medium used to send and receive data bits.<br />Protocol and service- EIA/TIA 232 and 449, RJ45, Ethernet, CAT 5, X.21, HSSI<br />O modelo OSI camada 1<br />
  3. 3. Data link – TranslatesPDUsfromhigherlayersinto data frames. Defines the LLC and MAC sublayers.<br />Protocolandservice – FrameRelay, PPP, HDLC, IEEE 802.2, 802.3, 802.5, FDDI, ATM, SDLC, LAPB, ISDN.<br />O modelo OSI camada 2<br />
  4. 4. Netwark– concernedwithend-to-enddeliveryof data, logicaladdressing, androutingandhowroutes are identified.<br />Protocolandservice – IP, IPX, and Apple Talk DDP<br />O modelo OSI camada 3<br />
  5. 5. Transport– segmentsandreassembles data. Defines reliableandunreliable data transmission, andconnection-orientedandconnectionlessprotocols.<br />ProtocolandService – TCP, UDP, SPX<br />O modelo OSI camada 4<br />
  6. 6. Session – Establishes, controls, and ends sessions. Full-and half-duplex communications.<br />Protocols and Services – NFS, SQLM NetBIOS, Apple Talk, ASP, X Windows, RPC, DECNet SCP<br />O modelo OSI camada 5 <br />
  7. 7. Pressentation – Defines data formats, encluding encryption, data conversion, audio/ visual, and graphics.<br />Protocol and Service – MPEG. HTML. MIDI, ASCII, EBCDIC, TIFF, GIF, PICT.<br />O modelo OSI camada 6<br />
  8. 8. Application– Identifiesandestablishesavailabilityofcommunicationpartners. Determines whetherresources are sufficient for thecommunication to occur.<br />ProtocolandService – FTP, SMTP, Telnet, Web Browsers, CMIP, and Virtual Terminal Protocol<br />O modelo OSI camada 7<br />
  9. 9. Thanks for yourattention<br />