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We can significantly reduce the time and effort required to install a new network or revise an existing network by learning from others that have literally been there, done that. Recognizing the value of experience, the focus of this section is upon chapters oriented towards network implementation and case studies.
The first chapter in this section, Integrating Electronic Messaging Systems and Infrastructures, provides us with detailed information covering the roll-out of a messaging capability for an organization entity ranging from a single department to multiple departments. In this section we will examine resources required for a successful roll-out as well as several implementation scenarios that illustrate the use of different approaches to a roll-out.
Turning our attention to TCP/IP, the second chapter in this section provides a case study concerning its management. In the chapter titled TCP/IP Network Management: A Case Study we will note the criteria employed by a large organization establishing a new TCP/IP internetwork supporting satellite and terrestrial-based data transmission. This chapter takes us through the implementation process from defining requirements to identifying essential functions that become the key for an implementation strategy.
The third chapter in this section, Integrating Voice and LAN Infrastructures and Applications, provides us with a road map concerning problems we should address to successfully integrate voice on a LAN. After discussing the major problems associated with the transmission of voice traffic over a LAN, this chapter reviews the use of different network and desktop technologies as a basis for developing several recommendations concerning the implementation of a voice LAN capability.
Two additional chapters in this section continue our examination of LAN related implementations. The fourth chapter in this section, Creating Network Expressways Using Ethernet Switching Engines, illustrates the use of Ethernet switches to enhance network performance. This chapter first provides a detailed look into the technology associated with different types of Ethernet switches. Using this information as a base, the chapter then illustrates the use of a switch in a university environment which both reduced network congestion and significantly enhanced network throughput. In concluding our series of chapters focused on LANs, the chapter titled Remote LAN/WAN Connections: A Case Study takes us on a tour of the issues that must be resolved to obtain an efficient and effective internetworking capability. In this chapter we will examine the evaluation of LAN connectivity methods ranging from fiber optic and microwave to infrared that were explored by a company when employees were relocated at a corporate location. This chapter walks us through the companys decision-making process and illustrates both the factors they weighed and their cost computations performed in developing a solution to their network expansion requirement.
Having completed our review of LAN-related implementations, the sixth chapter, Considerations for Implementing Corporate Internets, turns our attention to the issues involved in the deployment of Internet technologies on a private network. In this chapter we will examine the network and server management issues associated with moving Internet technologies onto a private network. This chapter will acquaint us with Fat and Thin clients, Java-enabled browsers, applets, Active X, scripting languages, and other Internet technologies for which an understanding is necessary in order to appropriately plan for implementing an Intranet.
Due to the steep decline in the cost of digital cameras, many networks are integrating pictures of personnel, buildings, and objects onto Web pages, as attachments to email, and in visual databases. This proliferation in the use of images can have a profound effect upon the performance of a network, and is the focus of the seventh chapter in this section. This chapter, Minimizing the Effect of Digital Camera Images on Networks, first provides us with an overview of how digital cameras operate and the fundamentals of image resolution. Using this information as a base, this chapter illustrates the effect of image compression upon both image storage and transmission and covers the use of options associated with a popular digital camera which makes network based images more effective. Thus, this chapter should assist us in determining how to effectively and efficiently implement images into equipment connected to a network.
In the eighth chapter in this section we turn our attention to the enterprise. In the chapter titled Planning, Designing, and Optimization of Enterprise Networks, we first examine the network planning and design effort by looking at the distinct tasks associated with the planning and design effort. Once those tasks are identified, the chapter provides us with examples of how to accomplish each task and presents a case study which illustrates the planning and design effort. This case study illustrates the modeling effort required to develop an optimized enterprise network.
In concluding this section we will examine the integration of two wide area networks which resulted in the ability of over 17,000 end users to obtain interoperability. This chapter, WAN Network Integration: A Case Study, first provides us with background information concerning the operations of two United States Federal agencies. Next, we are provided with information concerning the existing network infrastructure of each agency and their requirements concerning LAN operating systems, workstations hardware and routers. Using this information, this case study examines the cost of different equipment upgrades, and has developed a methodology that is applied to support the WAN integration process. Completing the presentation of this case study is a summary section which reviews key issues that warrant consideration by network managers and LAN administrators regardless of the type of network you are considering for integration.
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