Camadas osi pdf file

The open systems interconnection model osi model is a conceptual model that characterises. As camadas superiores do modelo osi sao ricas em servicos enquanto as camadas inferiores sao ricas em protocolos. Scribd is the worlds largest social reading and publishing site. Na arquitetura tcpip procurouse definir um protocolo. The most important concept is a discussion of the osi model and how data flows across a network. Once the osi model is understood, it will be easier to design, use, and, especially. The open systems interconnection model osi model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology. Osi models seven layers defined and functions explained isoiec standard 74981. Considering the meanings of the two reference models, the osi model is just a conceptual model.

Foi entao definida a arquitetura osi com sete camadas, como mostra a figura 1. The open systems interconnection model osi model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without. As camadas 1, 2 e 3 do osi sao camadas parapar, entre sistemas adjacentes as camadas 4, 5, 6 e 7 do osi sao camadas fimafim 2. The biggest change in the revised osi reference model is the inclusion of an new clause. O tcpip parece ser mais simples por ter menos camadas. Ebcdic coded text file to an american standard code for information interchange ascii coded text file. Cada protocolo implementa uma funcionalidade assinalada a uma determinada camada. Your browser does not currently recognize any of the video formats available. This layer manages the reception and transmission of the unstructured raw bit stream over a physical medium. Java project tutorial make login and register form step by step using netbeans and mysql database duration. Ieee insfitute of electrial and electronic engineering. No inicio dos anos 80, a iso international organization of. Indice modelo osi open system interconnection osi protocol data unit camadas do modelo osi modelo osi protocolos analogia do modelo osi com a comunicacao via carta. O switch, atuando no nivel 2 da camada osi, consegue enderecar pacotes.

The following diagram illustrates the osi reference model. The osi reference model was a major advance in the teaching of network concepts. Apostila sobre cames apostila sobre cames com alguns exercicios resolvidos. Its goal is the interoperability of diverse communication systems with standard communication. Windows network architecture and the osi model windows.