This by default built in limitations to the growth and need to change network designs as the needs of the organization and technology itself changed. How does the traditional approach to network design differ from the building block approach? Traditional network designs used a very structured approach for the analysis and design. What are the keys to designing a successful data communications network? A thorough needs analysis, developing one or more physical network designs, designing to operate and maintain with minimal staff intervention. ģ Answers to Textbook Exercises Instructor s Manual to Accompany: Answers to End-of-Chapter Questions 1. The Building-Block Network Design Process 2. The Traditional Network Design Process c. Learning Objectives After reading this chapter, students should be able to: Understand the seven network architecture components Describe the overall process of designing and implementing a network Describe techniques for developing a logical network design Describe techniques for developing a physical network design Understand network design principles Key Terms access layer baseline bottleneck building backbone network building-block process campus backbone network capacity planning circuit loading common carrier core layer cost assessment data center desirable requirements distribution layer e-commerce edge enterprise campus enterprise edge geographic scope Internet access logical network design mandatory requirements needs analysis network architecture component physical network design request for proposal (RFP) simulation technology design traditional network design process turnpike effect Wide Area Network (WAN) access wish-list requirementsĢ Chapter Outline 1. Network design is an interactive process in which the designer examines users needs, develops an initial set of technology designs, assesses their cost, and then revisits the needs analysis until the final network design emerges. We usually design networks in six network architecture components: Local Area Networks (LANs), Building Backbone Networks, Campus Backbones that connect buildings, Wide Area Networks (WANs) that connect campuses, Internet access, and Data Centers. 1 CHAPTER 6 NETWORK DESIGN Chapter Summary This chapter starts the next section of the book, which focuses on how we design networks.
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