Broadband networks

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  • Deployment of a modern broadband network provides both opportunities and challenges. Because the network is used to deliver a range of services beyond CATV, it must be both versatile and highly reliable. A flexible design allows reconfiguration both to accommodate technological change and to meet changing business requirements. Return plant and the management of return plant signals used to deliver advanced services are particularly important, as is signal level management in the headend. This application note addresses these issues....

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  • For many, the acronym conjures up visions of 100s of on-demand entertainment channels delivered anytime, anywhere. It promises total control by the user to customize their multimedia experience for true interactive unicasting. And for many operators, IPTV holds the allure of tapping into new revenue sources with the delivery of advanced multimedia services over broadband networks. IPTV is being enabled by the transition from analog to digital video. Advances in video compression technologies are making it easier to deliver both standard- and high-definition audio and video.

    pdf12p halanh 14-08-2009 249 96   Download

  • Tham khảo tài liệu 'case study - cisco metro - hongkong broadband network', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • This chapter aims to introduce the basic concepts of satellite networking including appli- cations and services, circuit and packet switching, broadband networks, network protocols and reference models, characteristics of satellite networks, internetworking between satellite and terrestrial networks and convergence of network technologies and protocols. When you have completed this chapter, you should be able to:

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  • CHALLENGE A major global enterprise-network service provider needs to deploy both metro- and regional-access rings to meet a customer’s demand for a highly reliable network to support critical enterprise applications. This includes interconnection of its mainframe systems and storagearea networks. STRATEGY Engage a professional services partner with in-depth technical expertise and proven experience to complete the project on-time, on-budget while delivering superior quality to meet the end customer’s needs.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: The promise of downlink MU-MIMO for highcapacity next generation mobile broadband networks based on IEEE 802.16 m

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  • Chapter summary: Computers communicate by using languages called protocols, protocols provide services to other protocols operating above and below them, a LAN uses a common network medium to connect computers in a relatively small area, a WAN uses an external network provider to connect LANs, broadband networks carry multiple signals at once, while baseband networks carry only one signal,...

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  • There are many occasions when data need to be transmitted over a voice communication network. Many people use a computer to connect to their Internet Service Provider via the telephone lines to transmit and receive data, check their email, surf the Web, etc. Telephone networks were originally built for human speech, not for computer data and is unsuitable for digital communication in its raw form.

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  • Guy Davies has worked as an IP Architect for Telindus, a network integrator in the UK, for four years. While at Telindus, he has been involved in many projects ranging from the design, implementation and operation of customers’ core IP networks through to migration of ATM networks to an IP and MPLS-based infrastructure, and the design and implementation of large secured wireless networks and consultancy as well as the development of wireless rural broadband access.

    pdf305p daokim 04-08-2009 126 38   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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  • Nortel is a recognized leader in delivering communications capabilities that enhance the human experience, ignite and power global commerce, and secure and protect the world’s most critical information. Serving both service provider and enterprise customers, Nortel delivers innovative technology solutions encompassing end-to-end broadband, Voice over IP, multimedia services and applications, and wireless broadband designed to help people solve the world’s greatest challenges.

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  • Both beginning network administrators and home users have made previous editions of this book a top seller. Now fully updated, this edition shows you step by step how to set up and maintain a network and covers Windows 8 and Windows Server 2008 R2 SP1. Author Doug Lowe also includes updated coverage of broadband technologies as well as storage and back-up procedures, all in his easy-to-follow style. You'll learn to build a wired or wireless network, secure and optimize it, safely connect to the Internet, troubleshoot problems, and much more....

    pdf459p goshop_123 26-04-2013 48 12   Download

  • You have chosen an exciting moment in computing history to embark on a study of network programming. Machine room networks can carry data at speeds comparable to those at which machines access their own memory, and broadband now reaches hundreds of millions of homes worldwide. Many casual computer users spend their entire digital lives speaking exclusively to network services; they are only vaguely aware that their computer is even capable of running local applications.

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  • Th is is not the fi rst attempt to build the Next-Generation Network (NGN). Back in the 1980s, when the carriers controlled innovation, they had come up with a wonderfully complex architecture for voice, data, and video services, called the Broadband Integrated Services Digital Network (Broadband ISDN).

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  • WANs, Internet Access, and Remote Connectivity Identify a variety of uses for WANs Explain different WAN topologies, including their advantages and disadvantages Describe different WAN transmission and connection methods, including PSTN, ISDN, T-carriers, DSL, broadband cable, SONET, and wireless Internet access technologies Compare the characteristics of WAN technologies, including throughput, security, and reliability Describe the software and hardware requirements for remotely connecting to a network...

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  • Wireless mesh networks (WMNs) have recently received a great deal of attention as a promising cost-effective solution to provide coverage and broadband wireless connectivity for mobile users to get access to different IP applications and services. The factor that has helped WMNs become attractive is the wide application prospects from the wireless community, home and enterprise networking.

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  • 18.3. Broadband Connections If your Mac is connected wirelessly or, um, wirefully to a cable modem, DSL, or office network, you're one of the lucky ones. You have a high-speed broadband connection to the Internet that's always available, always on.

    pdf6p daisuphu 28-07-2010 62 5   Download

  • Gustavo Cardoso is an associate researcher at CIES/ISCTE and Professor of Technology and Society at ISCTE in Lisbon. He also works with the Department of Communications and Performance Studies of the University of Milan and with the Portuguese Catholic University. His international cooperation in European research networks brought him to work with IN3 (Internet Interdisciplinary Institute) in Barcelona, WIP (World Internet Project) at USC Annenberg, COST A20 “The Impact of the Internet in Mass Media” and COST 298 “Broadband Society”....

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  • The Soneplex Broadband system is an efficient, cost- effective solution for T1-based service delivery. It supports DS3 or STS-1 network interfaces and up to 28 DS1 loop transport modules. Integrated network management lets carriers save on overall operations costs through the entire system lifecycle.

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  • Many broadband routers and firewalls function primarily through the use of Network Address Translation (NAT) to hide the internal systems behind a single external IP address.

    pdf2p chutieuchuathieulam 23-07-2010 69 4   Download


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