The traditional technologies of packet switching and circuit switching are examined, as well as the more recent frame relay and ATM. I11 Local Area Networks: This part explores the quite different technologies and architectures that have been developed for networking over shorter distances. The transmission media, topologies, and medium access control protocols that are the key ingredients of a LAN design are explored and specific standardiz6h LAN systems examined. 1V Communications Architecture and Protocols: This part explores both the architectural principles and the mechanisms required for the exchange of data among computers, workstations, servers, and other data processing devices. Much of the material in this part relates to the TCPIIP protocol suite.
The book highlights these principles and contrasts their application in specific areas of technology. Design Approaches: The book examines alternative approaches to meeting specific communication requirements. The discussion is bolstered with examples from existing implementations.
Standards: Standards have come to assume an increasingly important, indeed dominant, role in this field. 1.1 WHY STUDY DATA COMMUNICATIONS 1 1.2 DATA COMMUNICATION 2 Components 3 1.3 NETWORKS 4 Distributed Processing 4 Network Criteria 5 Applications 6 1.4 PROTOCOLS AND STANDARDS 7 Protocols 7 Standards 8 1.5 STANDARDS ORGANIZATIONS 9 Standards Creation Committees 9 Forums 12 Regulatory Agencies 13 1.6 STRUCTURE OF THE BOOK 13 1.7 KEY TERMS Scanned by: Ing.Īn understanding of the current status and future direction of technology requires a comprehensive discussion of the role and nature of the related standards.Plan of the Text The book is divided into four parts: 1Data Communications: This part is concerned primarily with the exchange of data between two directly-connected devices.
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Oscar Strempler raza Comunicaciones 2003Bookmark File PDF Data Computer Communications 9th Edition Solution cassette lovers, gone you craving a further record to read, locate the data computer.Introduction to Computer Networks and Data Communications Learning Objectives Define the basic terminology of computer networks Recognize the individual components of the big picture of computer networks Outline the basic network configurations Cite the reasons for using a network model and how those reasons apply to currentObjectives This book attempts to provide a unified overview of the broad field of data and computer communications. The organization of the book reflects an attempt to break this massive subject into comprehensible parts and to build, piece by piece, a survey of the state of the art. The book emphasizes basic principles and topics of fundamental importance concerning the technology and architecture of this field, as well as providing a detailed discussion of leading-edge topics. The following basic themes serve to unify the discussion:Data are sent out in a sequence of small chunks called packets Packets are passed from node to node along a path leading from source to destination Packet-switching networks are commonly used for terminal-to-terminal computer and computer-to-computer communicationsPrinciples: Although the scope of this book is broad, there are a number of basic principles that appear repeatedly as themes and that unify this field.
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