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  The Road to IP Telephony: How Cisco Systems Migrated from PBX to IP Telephony
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
The Road to IP Telephony: How Cisco Systems Migrated from PBX to IP Telephony
Автор: Stephanie L. Carhee
Издательство: Cisco Press
Год издания: 2004
isbn: 1-58720-088-0
Количество страниц: 408
Язык: english
Формат: CHM

There is no better path to the successful implementation of a new technology than to follow in the experienced footsteps of an organization that has already been there. >The Road to IP Telephony> tells you how Cisco Systems successfully moved its own organization to a converged, enterprise-wide network. You will learn the implementation and operational processes, what worked, what didn't work, and how to develop your own successful methodology. After presenting this topic to hundreds of Cisco customers, including Fortune 500 companies, Stephanie Carhee consistently encountered the same question, "If I decide to move to IP Telephony, where do I begin and what can I do to ensure that I do it right the first time?" Although the needs of every enterprise are different, some things are universal; planning, communication, teamwork, and understanding your user's requirements are as important as technical expertise. >The Road to IP Telephony> shares with you everything you need to know about managing your deployment. It starts with where to begin, including what needs to be addressed before you even begin the planning process, to building your project team. Key best practices are also offered to help you set the project's pace and schedule, get your users on board, identify a migration strategy, develop a services and support strategy, and work toward the final PBX decommission.
 
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Опубликовал: b3figa | 27-02-2008, 00:00 | Просмотров: 745  Подробнее и с комментариями (0)
  802.11 Wireless LAN Fundamentals
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
802.11 Wireless LAN Fundamentals
Автор: Pejman Roshan, Jonathan Leary
Издательство: Cisco Press
Год издания: 2003
isbn: 1-58705-077-3
Количество страниц: 312
Язык: english
Формат: CHM

802.11 Wireless LAN Fundamentals gives networking engineers and IT professionals the knowledge they need to design, deploy, manage, and troubleshoot their own wireless local-area networks (WLANs). Starting with an overview of the technology and architecture of WLANs, the book goes on to explain services and advanced features that such applications can provide. Most importantly, it provides practical design guidance and deployment recommendations. Wireless LANs connect computer networks via radio transmissions instead of traditional phone lines or cables. Benefits to these systems go well beyond getting rid of all the cables and wires. Campus networks can grow geographically larger while still retaining all their efficiency and speed. Additionally, cost savings can be realized when third-party phone lines are no longer necessary, saving the cost of line rental and equipment upkeep. Finally, flexibility in campus network design increases significantly for the networking professional, while the network accessibility and usefulness increases for the individual users. 802.11 Wireless LAN Fundamentals helps networking professionals realize these benefits by helping them understand how to design, build, and maintain these networks, as well as how to justify their value within organizations.
 
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Опубликовал: b3figa | 27-02-2008, 00:00 | Просмотров: 1053  Подробнее и с комментариями (0)
  Wireless Networks first-step
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
Wireless Networks first-step
Автор: Jim Geier
Издательство: Cisco Press
Год издания: 2004
isbn: 1-58720-111-9
Количество страниц: 264
Язык: english
Формат: CHM

As a basic introduction to wireless networking, Wireless Networks First-Step assumes that readers have no previous wireless experience. The book provides an overview of wireless networking, along with details of applicable standards and technologies. Newcomers to wireless technologies will find practical information along with an abundance of examples. Case studies throughout the chapters provide real-world implementation examples, presented in a non-technical fashion. Implementation details are discussed only to the extent that readers can identify what type of wireless network may be appropriate for their needs.
 
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Опубликовал: b3figa | 25-02-2008, 00:00 | Просмотров: 858  Подробнее и с комментариями (0)
  Cisco Secure Internet Security Solutions
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
Cisco Secure Internet Security Solutions
Автор: Andrew Mason, Mark J.Newcomb
Издательство: Cisco Press
Год издания: 2001
isbn: 1-58705-016-1
Количество страниц: 528
Язык: english
Формат: PDF

Cisco Secure Internet Security Solutions covers the basics of Internet security, and then concentrates on each member of the Cisco Secure product family, providing a detailed explanation with examples of the preferred configurations required for securing Internet connections. The Cisco Secure PIX Firewall is covered in depth from an architectural point of view, and a reference of the PIX commands explains their use in the real world. Although Cisco Secure Internet Security Solutions is primarily concerned with Internet security, the information inside is also applicable to many general network security scenarios
 
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Опубликовал: artheart | 8-01-2008, 00:00 | Просмотров: 820  Подробнее и с комментариями (0)
  Network Management Fundamentals
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
Network Management Fundamentals
Автор: Alexander Clemm
Издательство: Cisco Press
Год издания: 2007
isbn: 1-58720-137-2
Количество страниц: 510
Язык: english
Формат: PDF

Network Management Fundamentals explains the different technologies that are used in network management and how they relate to each other. The book focuses on fundamental concepts and principles. It provides a solid technical foundation for the practitioner to successfully navigate network management topics and apply those concepts to particular situations.
 
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Опубликовал: artheart | 8-01-2008, 00:00 | Просмотров: 841  Подробнее и с комментариями (0)
  Основы передачи голосовых данных по сетям IP
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
Основы передачи голосовых данных по сетям IP
Автор: Джонатан Дэвидсон, Джеймс Питерс, Манож Бхатия
Издательство: Вильямс
Год издания: 2007
isbn: 1-58705-257-1, 978-5-8459-1281-7
Количество страниц: 392
Язык: русский
Формат: DJVU

Для передачи голоса и данных по сетям применяются собственные, достаточно сложные технологии, которым посвящено немало книг. В этой книге описан состав и работа фундаментальной инфраструктуры современной телефонной связи, основные концепции сетей передачи голоса и данных, а также протоколы IP, используемые для передачи данных между современными телефонными системами. Здесь основы технологий VoIP рассматриваются на уровне, достаточном, чтобы администратор сети, разработчик программного обеспечения или любой, кого просто интересуют технологические вопросы по сетям VoIP, получили необходимый объем информации.
 
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Опубликовал: flashsoft | 6-12-2007, 00:00 | Просмотров: 941  Подробнее и с комментариями (0)
  Juniper and Cisco Routing. Policy and Protocols for Multivendor IP Networks
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
Juniper and Cisco Routing. Policy and Protocols for Multivendor IP Networks
Автор: Walter J. Goralski
Издательство: Wiley Publishing, Inc.
Год издания: 2002
isbn: 0-471-21592-9
Количество страниц: 723
Язык: english
Формат: PDF

Books about Internet routing protocols and the role that these routing protocols play on the Internet have been around for a while. But other books tend to play up the nuts-and-bolts aspects of the routing protocols such as message exchanges and protocol packet structures. So there are long chapters on the low-level functioning of OSPF Link-State Advertisements (LSAs), IS-IS Type-Length-Value (TLV) extensions, and BGP attributes, but little information about how network administrators use these routing protocols on the Internet today. A key aspect of the way these routing protocols interoperate and interact today is the concept of a routing policy. Arouting policy is just a set of rules that establish the ways that a route (today most often called a prefix) is used when learned by the router and then passed on (advertised) to other routers. Yet information about the formulation and use of these routing policies is quite hard to come by.
 
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Опубликовал: goa123 | 1-10-2007, 00:00 | Просмотров: 813  Подробнее и с комментариями (0)
  Interdomain Multicast Routing. Practical Juniper Networks and Cisco Systems Solutions
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
Interdomain Multicast Routing. Practical Juniper Networks and Cisco Systems Solutions
Автор: Brian M. Edwards, Leonard A. Giuliano, B.R. Wright
Издательство: Addison Wesley
Год издания: 2002
isbn: 0-201-74612-3
Количество страниц: 384
Язык: english
Формат: CHM

Interdomain Multicast Routing is a book on the timely technology of multicasting and is written, mainly, for network engineers responsible for configuring and maintaining that capability within their networks. It is a practical reference guide that includes Cisco Systems and Juniper Networks technology. The authors' goals are to explain the rationale and benefits of multicast routing on the Internet, to include the two leading vendors of routers and routing technology and note how they differ when applying interdomain multicast routing (IMR), and to explain the underpinnings of interdomain multicasting in simple, clear language.
 
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Опубликовал: goa123 | 26-09-2007, 00:00 | Просмотров: 969  Подробнее и с комментариями (0)
  Internetworking Technologies Handbook
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
Internetworking Technologies Handbook
Издательство: Cisco Press
Год издания: 2003
isbn: 1587051192
Количество страниц: 1321
Язык: english
Формат: PDF

Everything Cisco Systems does to facilitate the efficient flow of data among hosts on networks big and small, except those products that have to do with Voice over IP (VoIP). Beginning with the essentials of internetworking, and proceeding through LAN and WAN protocols, multiservice access technologies like digital subscriber line (DSL), switching and bridging (with emphasis on virtual LANs), and routing protocols, this book covers the state of the Cisco Systems art.
 
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Опубликовал: flashsoft | 30-07-2007, 00:00 | Просмотров: 960  Подробнее и с комментариями (0)
  Designing VPN Security. Student Guide
 Категория: Компьютерная литература » Телекоммуникационные технологии » Cisco
   
 
Designing VPN Security. Student Guide
Издательство: Cisco Press
Год издания: 2003
Количество страниц: 1050
Язык: english
Формат: PDF

Upon completion of this course, you will be able to perform the following tasks: * Recognize the services offered by cryptography and recommend those services to an organization to address their specific needs. * Describe various encryption, hashing, and signing algorithms and select the best algorithm in a design situation. * Explain the role of key management in cryptography. * Explain specific guidelines which need to be considered when deploying cryptographic systems. * Select the best practices of key management in a design situation. * Describe the standards and procedures used with the PKI. * Explain the limitations of PKI technologies in various security designs. * Design secure VPN’s using various VPN technologies. * Identify the benefits and drawbacks of each VPN technology. * Implement basic IPSec using all currently supported encryption and authentication mechanisms. * Design and implement site-to-site VPNs using IPSec. * Design and implement remote access VPNs using IPSec. * List the software products used to form the management of IPSec devices and solutions. * Design and implement secure wireless networks.
 
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Опубликовал: flashsoft | 29-07-2007, 00:00 | Просмотров: 859  Подробнее и с комментариями (1)
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