Anyone who has ever had anything to do with the publishing industry knows that it takes many, many people to create a book. It might be my name on the cover, but there is no way that I can take credit for all that occurred to get this book from idea to publication. Therefore, I must thank:

The team at Cisco Press—Once again, you amaze me with your professionalism and the ability to make me look good. Mary Beth, Chris, Patrick—thank you for your continued support and belief in my little engineering journal.

To my technical reviewers, Tami and David—thanks for keeping me on track and making sure that what I wrote was correct and relevant.

To Rick Graziani—thank you for showing me how to present this material to my students in a ...

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