CHARM: A Cost-efficient Multi-cloud Data Hosting Scheme with High Availability

CHARM: A Cost-efficient Multi-cloud Data Hosting Scheme with High Availability

Abstract— CHARM: A Cost-efficient Multi-cloud Data Hosting Scheme with High Availability. Nowadays, more and more enterprises and organizations are hosting their data into the cloud, in order to reduce the IT maintenance cost and enhance the data reliability. However, facing the numerous cloud vendors as well as their heter ogenous pricing policies, customers may well be perplexed with which cloud(s) are suitable for storing their data and what hosting strategy is cheaper. The general status quo is that customers usually put their data into a single cloud < Final Year Projects 2016 > and then simply trust to luck. Based on comprehensive analysis of various state-of-the-art cloud vendors, this paper proposes a novel data hosting scheme (named CHARM) which integrates two key functions desired.