Wide area network

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  • In this chapter, we introduce a wide area network (WAN), SONET, that is used as a transport network to carry loads from other WANs. We first discuss SONET as a protocol, and we then show how SONET networks can be constructed from the standards defined in the protocol.

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  • WAN 是覆盖地理范围相对较为广阔的数据通信网络,它一般是利用公共载体(比如电信公司) 提供的设备进行传输.WAN技术运行在 OSI 的最下 3 层 广域网(Wide Area Network,WAN)的一些术语 1.客户前端设备(customer premises equipment,CPE):位于用户(subscriber)前端,用户所拥有的 设备

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  • The main contents of this chapter include all of the following: Wide-Area Network, WAN Access and the OSI reference model, WAN devices, physical layer: WANs, serial Point-to-Point connections, WAN-Multiple LANs,... Inviting you to refer.

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  • Optical Switching Networks describes all the major switching paradigms developed for modern optical networks, discussing their operation, advantages, disadvantages, and implementation. Following a review of the evolution of optical wavelength division multiplexing (WDM) networks, an overview of the future of optical networks is set out.

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  • MCSE Training Guide: Networking Essentials, Second Edition is designed for advanced end-users, service technicians, and network administrators with the goal of certification as a Microsoft Certified Systems Engineer (MCSE). The “Networking Essentials” exam (70-058) measures your ability to implement, administer, and troubleshoot information systems that incorporate Windows 95 as well as any of the BackOffice family of products. According to Microsoft, the exam covers only the networking knowledge and skills common to both Windows 95 and BackOffice products....

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  • Internetworking—the communication between two or more networks—encompasses every aspect of connecting computers together. Internetworks have grown to support vastly disparate end-system communication requirements. An internetwork requires many protocols and features to permit scalability and manageability without constant manual intervention. Large internetworks can consist of the following three distinct components:

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  • This chapter presents a high-level overview of several basic models that you can use in designing your IP telephony network. This overview provides some guidance with respect to when and why a particular design should be selected. Subsequent chapters delve into each network model in greater detail, beginning with the simplest model and building to increasingly complexity models.

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  • This document offers guidelines and best practices for implementing Wide Area Application Services (WAAS) in enterprise data center architecture. Placement of the Cisco Wide Area Engine (WAE), high availability, and performance are discussed for enterprise data center architectures to form a baseline for considering a WAAS implementation.

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  • This document provides design recommendations, configuration examples, and scalability test results for implementing a next-generation WAN for Voice and Video Enabled IPsec VPN (V3PN) based on a service provider WAN interface handoff using Ethernet at the enterprise campus and branch locations. This document provides the enterprise network manager with configuration and performance guidance to successfully implement or migrate to a WAN architecture using Ethernet as an access technology to a service provider network....

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  • Frame Relay is a virtual-circuit wide-area network that was designed in response to demands for a new type of WAN in the late 1980s and early 1990s.

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  • This textbook was developed for beginning information technology (IT) students who want to learn to support and troubleshoot local area networks (LANs) and wide area networks (WANs) consisting of computers running Microsoft Windows and other operating systems.

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  • This textbook was developed for beginning information technology (IT) students who want to learn to support and troubleshoot local area networks (LANs) and wide area networks (WANs) consisting of computers running Microsoft Windows and other operating systems.

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  • Flexible and scalable wide area network using satellite backhauls and configurable wireless ground access. Supports broadband multimedia applications and all-IP based mobility management.

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  • In this chapter, we show how the virtual-circuit approach can be used in wide-area networks. Two common WAN technologies use virtual-circuit switching. Frame Relay is a relatively high-speed protocol that can provide some services not available in other WAN technologies such as DSL, cable TV, and T lines. ATM, as a high-speed protocol, can be the superhighway of communication when it deploys physical layer carriers such as SONET.

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  • TCP/IP (Transmission Control Protocol/Internet Protocol) là một bộ protocols (giao thức) được thiết kế để đạt hai mục tiêu chính: Cho phép truyền thông qua các đuờng dây của mạng rộng (Wide Area Network - WAN). Cho phép truyền thông giữa các môi trường đa dạng. Do đó hiểu được cái gốc của các protocols nầy giúp ta hiểu đuộc sự quan trọng của chúng trong các mạng ngày nay.

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  • This design guide defines the comprehensive functional components required to build a site-to-site virtual private network (VPN) system in the context of enterprise wide area network (WAN) connectivity. This design guide covers the design topology of dynamic multipoint VPN (DMVPN). This guide is part of an ongoing series that addresses VPN solutions, using the latest VPN technologies from Cisco, and based on practical design principles that have been tested to scale.

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  • This preface describes the purpose, intended audience, organization, and notational conventions for the Cisco IP Telephony QoS Design Guide. This document serves as an implementation guide for Voice over IP (VoIP) networks based on Cisco AVVID (Architecture for Voice, Video and Integrated Data). The goal of this document is to provide a blueprint for implementing the end-to-end Quality of Service (QoS) that is required for successful deployment of Cisco AVVID solutions in today’s enterprise environment....

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  • This design guide defines the comprehensive functional components required to build a site-to-site virtual private network (VPN) system in the context of enterprise wide area network (WAN) connectivity. This design guide covers the design topology of point-to-point (p2p) Generic Route Encapsulation (GRE) over IP Security (IPsec). This design guide is part of an ongoing series that addresses VPN solutions, using the latest VPN technologies from Cisco, and based on practical design principles that have been tested to scale....

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  • “Network infrastructure is directly tied to the ability to gain competitive advantage in the marketplace, today and in the future.”Data communications technologies are evolving and expanding at an unparalleled rate. The growth in demand for Internet access and intranet services continues to fuel rapid technical adaptation by both implementers and developers. Unfortunately,...

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  • BizTalk Server 2000 is Microsoft’s much-needed solution the issue of interoperability. BizTalk Server 2000 provides a tool for closing the gap on how dissimilar services, specifications, and products communicate over the World Wide Web.The Internet (as well as other communication media) allows users and companies to get from point A to B, but if Company A speaks Japanese and Company B speaks English, they will have a problem communicating. So what’s the answer?

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