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Book details of 'Understanding Digital Subscriber Line Technology'

Cover of Understanding Digital Subscriber Line Technology
TitleUnderstanding Digital Subscriber Line Technology
Author(s)Thomas Starr, John M. Cioffi, Peter J. Silverman
PublishedJanuary 1999
PublisherPrentice Hall PTR
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The Virtual Bookcase Reviews of 'Understanding Digital Subscriber Line Technology':

Reviewer Rob Slade wrote:
There is relatively little understanding conveyed in this book. Oddly, there is relatively little about DSL, as such, either. While chapter one is entitled "DSL Fundamentals," the basic concepts are not well explained, beyond the facts, gleanable if you are a professional, that it involves copper wire, high data rates, and is probably asymmetric. A number of types of Digital Subscriber Line (DSL) technologies are enumerated in chapter two. Twisted pair transmission physics is primarily of interest to cable plant engineers, and so is the very lengthy chapter three. The comparison with other media, in chapter four, is very short. As with much of the other material, the look at duplexing, in chapter five, mixes specification and power equations with simplistic presentation of the concepts. Chapter six's review of encoding methods is highly theoretical, and, again, deals more with power than data. Chapter seven does talk about data, and the theoretical distance between data points. A highly academic discussion of channel identification and initialization comprises chapter eight. Since a lot of the foregoing has not really talked about DSL, it is not surprising that the overview of DSL management, in chapter nine, is so short. And, since we know that DSL is going to be strictly confined to the physical layer, it isn't odd that chapter ten's comparison with the OSI (Open System Interconnection) model is very terse. The use of the term "bit pump" in the title for chapter eleven sounded exciting, but it really only talks about subdivided channels over a DSL link. Chapters twelve and thirteen are quick looks at using DSL channels to transmit ATM (Asynchronous Transfer Mode) and frame relay cells. It is only in chapter fourteen that we start to get into actual ADSL (Asymmetric Digital Subscriber Line) usage, and even there it only looks at different configurations of customer premises equipment. Chapter fifteen supposedly deals with network architecture and regulation, but simply lists various service options. Chapter sixteen lists some of the major standards bodies. No audience is specified in the book, but it is safe to say that the layman did not figure in the authors' minds while they wrote. Some telco engineers, planning DSL installations, may find some of it useful. Possibly those contemplating the design of new and unspecified DSL transmission equipment may find some of the math to be helpful. Engineering profs setting group projects, such as implementing DSL from scratch, could use it as reference material. copyright Robert M. Slade, 1999

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