Yanlong Zhai received the B.Eng. degree and Ph.D. degree in computer science from Beijing Institute of Technology, Beijing, China, in 2004 and 2010. He is an associate professor in the School of Cyberspace Science and Technology, Beijing Institute of Technology. He was a visiting scholar in the Department of Electrical Engineering and Computer Science, University of California, Irvine. His research interests include cloud computing, big data and edge computing.Muhammad Mudassar received the master’s degree from the School of Electrical Engineering and Computer Science, SEECS-NUST, Islamabad, Pakistan, in 2011, and the Ph.D. degree in computer science from Beijing Institute of Technology, Beijing, China, in 2020. He is working as an assistant professor with the Department of Computer Science, COMSATS University Islamabad (Vehari Campus), Vehari, Pakistan. His research interests include distributed computing, big data processing frameworks, fog computing, fault tolerance and edge computing.Liehuang Zhu received the B.Eng. and Master Degrees in computer application from Wuhan University, Wuhan, Hubei, China, in 1998 and 2001, respectively. He received the Ph.D. degree in computer application from Beijing Institute of Technology, Beijing, China, in 2004. He is currently a professor in the School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China. He is selected into the Program for New Century Excellent Talents in University from Ministry of Education, China. His research interests include internet of things, cloud computing security, internet and mobile security.

• Chapter 1. Edge Computing.- Chapter 2. Scalability and Fault Tolerance for Real-Time Edge Applications.- Chapter 3. Resource-constrained Offloading in Edge Computing.- Chapter 4. Privacy Preserving Offloading.- Chapter 5. SDN-Based and Energy Aware Offloading.- Chapter 6. Optimization for Edge.- Chapter 7. FutureWork.

Yanlong Zhai received the B.Eng. degree and Ph.D. degree in computer science from Beijing Institute of Technology, Beijing, China, in 2004 and 2010. He is an associate professor in the School of Cyberspace Science and Technology, Beijing Institute of Technology. He was a visiting scholar in the Department of Electrical Engineering and Computer Science, University of California, Irvine. His research interests include cloud computing, big data and edge computing.Muhammad Mudassar received the master’s degree from the School of Electrical Engineering and Computer Science, SEECS-NUST, Islamabad, Pakistan, in 2011, and the Ph.D. degree in computer science from Beijing Institute of Technology, Beijing, China, in 2020. He is working as an assistant professor with the Department of Computer Science, COMSATS University Islamabad (Vehari Campus), Vehari, Pakistan. His research interests include distributed computing, big data processing frameworks, fog computing, fault tolerance and edge computing.Liehuang Zhu received the B.Eng. and Master Degrees in computer application from Wuhan University, Wuhan, Hubei, China, in 1998 and 2001, respectively. He received the Ph.D. degree in computer application from Beijing Institute of Technology, Beijing, China, in 2004. He is currently a professor in the School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China. He is selected into the Program for New Century Excellent Talents in University from Ministry of Education, China. His research interests include internet of things, cloud computing security, internet and mobile security.

• Chapter 1. Edge Computing.- Chapter 2. Scalability and Fault Tolerance for Real-Time Edge Applications.- Chapter 3. Resource-constrained Offloading in Edge Computing.- Chapter 4. Privacy Preserving Offloading.- Chapter 5. SDN-Based and Energy Aware Offloading.- Chapter 6. Optimization for Edge.- Chapter 7. FutureWork.

Yanlong Zhai received the B.Eng. degree and Ph.D. degree in computer science from Beijing Institute of Technology, Beijing, China, in 2004 and 2010. He is an associate professor in the School of Cyberspace Science and Technology, Beijing Institute of Technology. He was a visiting scholar in the Department of Electrical Engineering and Computer Science, University of California, Irvine. His research interests include cloud computing, big data and edge computing.Muhammad Mudassar received the master’s degree from the School of Electrical Engineering and Computer Science, SEECS-NUST, Islamabad, Pakistan, in 2011, and the Ph.D. degree in computer science from Beijing Institute of Technology, Beijing, China, in 2020. He is working as an assistant professor with the Department of Computer Science, COMSATS University Islamabad (Vehari Campus), Vehari, Pakistan. His research interests include distributed computing, big data processing frameworks, fog computing, fault tolerance and edge computing.Liehuang Zhu received the B.Eng. and Master Degrees in computer application from Wuhan University, Wuhan, Hubei, China, in 1998 and 2001, respectively. He received the Ph.D. degree in computer application from Beijing Institute of Technology, Beijing, China, in 2004. He is currently a professor in the School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China. He is selected into the Program for New Century Excellent Talents in University from Ministry of Education, China. His research interests include internet of things, cloud computing security, internet and mobile security.

• Chapter 1. Edge Computing.- Chapter 2. Scalability and Fault Tolerance for Real-Time Edge Applications.- Chapter 3. Resource-constrained Offloading in Edge Computing.- Chapter 4. Privacy Preserving Offloading.- Chapter 5. SDN-Based and Energy Aware Offloading.- Chapter 6. Optimization for Edge.- Chapter 7. FutureWork.