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Broadband Cable Access Networks by James Farmer, David Large

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Chapter 12. Network Reliability and Availability

12.1. Introduction

Chapter 9 described the network requirements of certain service classifications that can be offered over broadband FDM distribution networks. Among those are transmission quality, effective bandwidth, reliability (the probability that a system will survive without interruption for a defined period), outage rate (the average rate at which service interruptions occur), and availability (the percentage of time that service is available). Transmission quality was treated in detail in Chapters 2 through 8, and effective bandwidth was covered in Chapter 10. This chapter will deal with the calculation of network reliability and service availability. It will also discuss how those parameters ...

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