Fault Tolerance and Disaster Recovery in Cloud-Based Systems
Ashok Choppadandi, Jagbir Kaur, Pradeep Kumar, Varun Nakra · Advances in computer and electrical engineering book series · 2024
Cloud computing has emerged as a dominant online resource and service delivery paradigm. While cloud computing offers numerous benefits, such as scalability, flexibility, and cost-effectiveness, it also introduces new challenges related to fault tolerance and disaster recovery. The chapter explores the concept of fault tolerance and disaster recovery in cloud-based systems, examining the various techniques and strategies employed to ensure system availability, data integrity, and business continuity during failures or disasters. The chapter discusses the faults in cloud environments, including hardware failures, software bugs, network outages, and human errors. The chapter then delves into fault tolerance mechanisms, such as redundancy, failover, and load balancing, and their implementation in cloud architectures. Furthermore, the chapter explores disaster recovery strategies, including backup and restore procedures, data replication, and failover to alternate sites. Additionally, the chapter examines the role of cloud service providers in ensuring fault tolerance and disaster recovery and the challenges and best practices associated with these critical aspects of cloud computing. Through this comprehensive analysis, the chapter aims to provide a valuable resource for researchers, practitioners, and organizations seeking to enhance the reliability and resilience of their cloud-based systems.