Review of Various Data Storage and Retrieval Method for Cloud Computing

Abstract

Cloud computing is a widely used computing technology by IT world. It is a fast-growing technique, which serves computing resources such as IaaS, PaaS and SaaS to cloud user on “Pay per use” basis. A Cloud user can store their private data over cloud server and can access securely at any time. The User doesn’t have to worry about storage and maintenance of cloud data. This unique data accessibility feature of cloud attract user to utilize cloud services. Due to the high availability of various IT computing resource over cloud, attracts cloud user to utilize its services. Day by day size of data and services are getting increases over the cloud. It is quite challenging job for cloud service provider to maintain the data integrity and privacy of the stored user data. Another challenge is encounter during retrieval of encrypted stored data. Various cryptography methods are used to maintain the data privacy and integrity. Overcloud server data are stored in encrypted form. After placing the data on the cloud, retrieving the same is also a quite tedious job. In order to retrieve the data, several methods are available suggested by various researchers. Most of the existing techniques are limited to handle a single keyword search with its own limitation. To enhance searching in terms of efficiency and fastness, a multi-keyword search technique can be adapted to retrieve a corresponding document from the cloud. This paper proposes a survey on a secure search scheme supporting single-keyword or multi-keyword ranked search over encrypted cloud data.