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Title: Very good for beginners looking for the overall picture
Review: This is a very good book for beginners wanting to understand the technology behind the title PPP. It provides a step by step approach to the world of PPP, introducing the reader even to the OSI 7 layer model in two pages. I liked reading this book, and I liked the comparison between the implementations of PPP on different platforms (Linux, SUN, Windows 95/98/NT). But I do not think it is a complete reference book, therefore administrators should be aware.
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