Kernel Service Outsourcing: an Approach to Improve Performance and Reliability of Virtualized Systems

To My Father iv ACKNOWLEDGEMENTS First and foremost, I must express my utmost gratitude to my academic advisor, Dr. Calton Pu, who throughput my Ph.D. program has enlightened and inspired me with his wise counsel and encouragement. Through his guidance, I have learned how to develop my ideas and mature as a researcher. I am truly grateful for his support and faith in me at every step of the way in my program. I also am deeply indebted to Dr. Yasushi Shinjo. Every time technical difficulties impeded my progress, he guided me past them with his insightful comments and suggestions. I also thank his students, Eiraku Hideki and Go Saito, for their collaboration efforts. I also thank Dr. Ling Liu for her valuable comments on my thesis as a member of my committee. The energy and passion for research that she expressed in our group seminars always motivated me. I want to thank my thesis committee members, Dr. for their constructive suggestions that resulted in further improvements to my thesis. I also thank Dr. Charles Consel and Dr. Sapan Bhatia for their advice that made possible my first research paper. Jung. I have really enjoyed our spontaneous lunch outings and our discussions of our different cultures. v I was able to experience Southern warmth with Young and Moon Han and Chris and Nui Mapes, from whom I learned a great deal about American culture. We spent numerous special occasions such as Thanksgiving Day and New Year Eve's together for many years. I cherish our shared moments. to settle down smoothly in a totally new place, thousands of miles away from my home, without suffering any homesickness. I sincerely enjoyed the delightful conversations over countless meals I have had with whenever I visited Korea. I truly appreciate our friendship over many years, particularly with Jaehoon Kim. Lastly, but not least, I thank my family for their love and support. Without them, I would never have finished my program. I am grateful for the support of my brother and sister-in-law, and their two daughters always made me smile. My mother has supported every decision I made throughout my entire life. I deeply appreciate her faith in me. My father taught me how to pursue my goals and not to stray from them. I sincerely wish he could have witnessed me finish my program and receive my Ph.D. degree. I dedicate this dissertation …