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Architecture of Network Systems by Tilman Wolf, Dimitrios Serpanos

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Chapter 2. Network protocols and network systems
Abstract:
The different engineering approaches to the problem of telecommunications and networking, the diverse application areas, and the quest for proprietary solutions have resulted in a large number of differing network designs. Most networks are organized in layers, where each layer represents a level of abstraction focusing on the communication/networking services it provides. In layered network architecture, every protocol layer of a node communicates with the equivalent protocol layer of another node. The International Organization for Standardization has worked to develop a reference model for open communications. Network systems are computational systems that execute protocol stacks and ...

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