QoS Perception for Cloud Databases: Necessity, Trends, and Challenges

Weipeng Cao, Xi Tao, Yinghui Pan, Ye Liu, Zhong Ming

Abstract: The advantages of resource elasticity and proactive data backup in cloud databases have attracted a large number of users to consider deploying their IT systems in the cloud. Factors such as performance, reliability, security, and ease of use are the most important considerations for users when choosing to migrate to the cloud. This paper mainly discusses the necessity of Quality of Service (QoS) awareness for cloud applications in the current public cloud environment, as well as the technological trends and challenges associated with it.