Friday, May 31, 2019

Your Networks Logical and Physical Design :: Networks Software Technology Essays

Your engagements Logical and somatic DesignContents1.Planning a Logical Network Design 2.Planning and Design Components 3.The Physical Network 4.Planning ResourcesArticle DescriptionScott Mueller and Terry Ogletree talk about your networks logical and physical design, including planning and components of a logical network design, the physical network, and planning resources.From the book of account Upgrading and Repairing Networks, 4th Edition$53.99 (Save 10%) Some of the Main Topics in this Chapter ArePlanning a Logical Network DesignPlanning and Design ComponentsThe Physical NetworkPlanning ResourcesMany types of networks were discussed in Chapter 1, A Short History of Computer Networking, from ARCnet to TCP/IP. And in Chapter 2, Overview of Network Topologies, you learned about the various topologies you dejection employ when designing and creating a local argona network (LAN), and we also looked at some scenarios in which several networks were connected to form a wide of the mark area network (WAN). In this chapter, we ordain look at another aspect of creating a network the networks logical and physical design. The physical aspects of your LAN will depend on the underlying physical transport technologyEthernet or Token-Ring, for example, or possibly ATM, which is now supported in products such as Windows 2000/XP and host 2003 as a LAN protocol. Depending on which technology you use, there will be one or more LAN topologies from which to choose.NOTEAlthough there are other LAN technologies, such as ARCnet and Novells IPX/SPX, these are basically legacy products that are no longer being deployed in newer networks. For example, ARCnet is now used in the main in vertical-market applications (such as on the factory floor, or for point-of-sale cash registers). If you dont need the features that TCP/IP provides, and dont need an Internet connection, then these older protocols whitethorn be a good solution for your network. Novells NetWare products, while a llowing for backward compatibility with the IPX/SPX protocol, have finally caught up with the times, and new installations will more than likely use the IP protocol. Other protocols, such as Microsofts LAN Manager, are used only in older networks. If you are still using older proprietary protocols, you should meet upgrading to TCP/IP, which is now the de facto standard, from the worldwide Internet down to the LAN.Before you can begin to design a physical network, however, you first must determine your needs. What work must you provide to your user community? What are the resources youll need? If you have to compromise, what will it take to satisfy the most users or to provide the more alpha services?

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