It divides the communications processes into seven layers. Learn more to embed this file in your language if available use the lang parameter with the appropriate language code, e. Modelo osi capa 1 cableado estructurado clase n 4 version. The most important concept is a discussion of the osi model and how data flows across a network. Aspectos fisicos e eletricos da conexao entre computador e rede. Cada protocolo implementa uma funcionalidade assinalada a uma determinada camada. The open systems interconnection osi model is a reference tool for understanding data communications between any two networked systems. Once the osi model is understood, it will be easier to design, use, and, especially. The layers begin at the end user process application, layer 7 and work. Application presentation session transport network data.
The layers begin at the end user process application, layer 7 and work their way down through each layer until bits are put on the wire physical, layer 1. Os quatro niveis superiores do modelo osi sao responsaveis pelos problemas associados a comunicacao pontoaponto entre os dois extremos comunicantes. Osi model concepts service says what a layer does interface says how to access the service protocol says how is the service implemented a set of rules and formats that govern the communication between two peers layering. However, at lower levels of the osi model, there is no permanent connection but. Questions on routing protocol in computer networks set3. Osi model concepts service says what a layer does interface says how to access the service protocol says how is the service implemented a set of rules and formats that govern the.
This is effectively the manner in which they maintain an. Learn more to embed this file in your language if available use the lang parameter with the appropriate. Open systems interconnection reference model osi model or osi seven layer model is a conceptual model that characterizes and standardizes the internal functions of a communication. The open systems interconnection osi model is a reference tool for understanding data. Open systems interconnection reference model osi model or osi seven layer model is a conceptual model that characterizes and standardizes the internal functions of a communication system by partitioning it into abstraction layers. See more ideas about osi model, cisco networking and computer network.
Each layer both performs specific functions to support the layers above it and offers services to the layers below it. The session layer of the open system interconnection osi model defines how the data is formatted between the devices on either side of the link. See more ideas about osi model, computer network and cisco networking. Pdf modelo osi y niveles enlace datos y red comunicacion. See more ideas about osi model, computer network and computer technology. Lets go ahead and have a look at the osi model layers. Protocol encapsulation chart a pdf file illustrating the relationship between common protocols and the osi reference model. See more ideas about osi model, computer technology and computer network.
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