Dedications

Zaheer Aziz:

I would like to dedicate this book to my late father (may God bless his soul) for his struggling life for betterment of our life, to a person whose self-made, hardworking, and not-so-easy life history became a catalyst for the relatively little hard work I have put in my life. Undoubtedly, he would have tremendously enjoyed seeing this book, but he is not here. Truly, his Air Force blood would have rushed fast seeing this book, but he is not here. Verily, he would have immensely applauded me in seeing this book, but he is not here. Therefore, I want my mother, who has put in equal hard work in our life, to enjoy this accomplishment and success. She deserves equal credit in the success of our family, and I wish her a very long and happy life.

Johnson Liu:

I dedicate this book with my deepest love and affection to my wife, Cisco Liu, who has given me the inspiration and support to write this book.

Abe Martey:

I’d like to dedicate this book to all previous and current engineers of the Cisco Worldwide TAC for their remarkable enthusiasm, dedication, and excellence in providing technical and troubleshooting assistance to network operators in every corner of our planet and in space.

Faraz Shamim:

I would like to dedicate this book to my parents, whose favors I can never return and whose prayers I will always need. To my wife, who encouraged me when I felt too lazy to write, and to my sons, Ayaan and Ameel, who waited patiently for my attention on many occasions.