Communications networks

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  • This book is about pricing issues in modern communications networks. Recent technology advances, combined with the deregulation of the communication market and the proliferation of the Internet, have created a new and highly competitive environment for communication service providers. Both technology and economics play a major role in this new environment. As recent events in the marketplace make clear, the success of a communication services business is not guaranteed by new technology alone.

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  • This book is about pricing issues in modern communications networks. Recent technology advances, combined with the deregulation of the communication market and the proliferation of the Internet, have created a new and highly competitive environment for communication service providers. Both technology and economics play a major role in this new environment. As recent events in the marketplace make clear, the success of a communication services business is not guaranteed by new technology alone.

    pdf368p tailieuvip13 19-07-2012 44 5   Download

  • Building Wireless Community Networks is about getting people online using wireless network technology. The 802.11b standard (also known as WiFi) makes it possible to network towns, schools, neighborhoods, small business, and almost any kind of organization. All that's required is a willingness to cooperate and share resources.

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  • In the context of modern high-speed communication networks, decision reactivity is often complicated by the notion of guaranteed Quality of Service (QoS), which can either be related to time, packet loss or bandwidth requirements: constraints related to various types of QoS make some algorithms not acceptable. Due to emerging real-time and multimedia applications, efficient routing of information packets in dynamically changing communication network requires that as the load levels,

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  • During Vietnam’s middle ages, its Confucians composed works of prose and poetry primarily for entertainment, interaction or education of ethics, so they never considered the works to be commodities. It was early in the 20th century, when a new view on the occupation of writing as a means to earn living was started with Tan Da (1889-1939), that writers got aware that the works were also goods, which were governed by the market mechanism.

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  • Data Communications and Networking, 3/e provides a comprehensive and current introduction to networking technologies. The book is accessible to students from all backgrounds and uses hundreds of figures to visually represent concepts. The new edition has been completely updated to reflect the constantly changing world of network technologies. Enhanced coverage of bluetooth, wireless, satellites, as well as four new chapters on security have been added. The third edition has transitioned from using the 7-layer OSI model to the 5-layer Internet Model.

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  • Chapter 2 - How business communicates. The main contents of this chapter include all of the following: 21st-Century business directions, formal communication networks, informal communication networks, communicating externally.

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  • Chapter 1 - Communicating in the workplace. This chapter includes contents: The importance of communication in business, current challenges, three main categories of business communication, formal and informal communication networks, business communication as a form of problem solving, the contexts for each act of business communication, the business communication process.

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  • Discovering Computers - Chapter 9: Communications and Networks includes Communications, Uses of Computer Communications, Networks, Network Communications Standards, Communications Software, Communications Over the Telephone Network.

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  • Lecture Business communication design - Chapter 2: How business communicates. The main contents of this chapter include all of the following: 21st-Century business directions, formal communication networks, informal communication networks, communicating externally.

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  • Chapter 1 - Introduction to data communications. In this chapter, the following content will be discussed: Brief history, data communications networks, network models, network standards, future trends.

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  • The following will be discussed in this chapter: Wireless communication? Why use wireless communication? Wireless is different than wired why? Modern cellular standards, underlying concepts, enabling technologies, overview of wireless LANs, single cell LAN extension, nomadic access,...

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  • The following will be discussed in this chapter: LANs WANs differentiation, path reliability, circuit switching driven example network, circuit switching routing types, semi-permanent connection type, isdn review question, datagram and virtual circuit operational differentiation, limitations of circuit switching for data transmission, virtual channel and virtual path difference.

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  • In the experiment prototype of this paper, we use the CC2530ZNP-Mini Kit to create a simple network includes one coordinate and one end device for the first step. The end device was configured to get current and voltage values from a 3-phase grid-connected solar inverter 800Wpk and then sends the values to the coordinate.

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  • Four laws, two each from the natural sciences and the social sciences, have formed the basis for the development of digital wireless communication networks. This essay describes their interaction, as well as their logical support for spread - spectrum multiple - access techniques.

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  • A comprehensive yet comprehensible and witty guide to the latest advances in computer network security protocols. The author team includes Charlie Kaufman, currently chief security architect for Lotus Notes, and formerly Network Security Architect at Digital Equipment Corporation;

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  • A computer network is the infrastructure that allows two or more computers (called hosts) to communicate with each other. The network achieves this by providing a set of rules for communication, called protocols, which should be observed by all participating hosts. The need for a protocol should be obvious: it allows different computers from different vendors and with different operating characteristics to ‘speak the same language’. This chapter introduces the fundamental concepts of computer networks.

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  • We live in an era of unimaginably rapidly advancing and amazing technologies that enable instantaneous flow of information – anytime, anywhere. The convergence of computers and networks has been the key force behind the development of these awesome technologies. Increasing use of systems..

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  • Development of packet-switched data communication networking technologies has been rapid in recent years, a phenomenon made possible by the open standardization process and the potential new territories for intellectual property creation. As a consequence, new ways of creating services have been devised, bringing more flexibility as compared to traditional telecommunications schemes.

    pdf355p vinhnghi 17-08-2009 82 13   Download

  • During the last decades, the usage of telecommunications systems has increased rapidly. Because of a permanent necessity for new telecommunications services and additional transmission capacities, there is also a need for the development of new telecommunications networks and transmission technologies. From the economic point of view, telecommunications promise big revenues, motivating large investments in this area.

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