Many thanks to our families for their tremendous support throughout the years and especially while we were writing this book.
This book would not have been possible without the unwavering support of Bill Johnson, Matt Davy, and Dr. Paul Congdon, co-founders of Tallac Networks. Their deep technical understanding of SDN, their painstaking reviews of the drafts, and their many direct contributions to the text were invaluable.
We thank Dr. Niels Sluijs, Internet Communication and Service Engineer at Sicse in the Netherlands for his refreshingly unbiased view and comments on the manuscript.
Our great appreciation is extended to Nopadon Juneam of Chiang Mai University whose help rendering the final versions of many of the figures ...