Abstract
Cloud storage is a model of networked online storage where data is stored in virtualized pools of storage which are generally hosted by third parties. Hosting companies operate large data centers and people who require their data to be hosted buy or lease storage capacity from them. The data center operators, in the background, virtualize the resources according to the requirements of the customer and expose them as storage pools, which the customers can themselves use to store files or data objects. Physically, the resource may span across multiple servers. The safety of the files depends upon the hosting websites. Lack of control on the data and privacy issues are the biggest obstacles to holding valuable personal and business-critical information in the cloud. Encryption and integrity control is one of the most obvious solutions to address these concerns, however it costs additional complexity of the system and service usage and may impact data access performance. In this study, we will discuss about security challenges in hybrid cloud storage and explain how to preserve security in them.
Highlights
Hybrid cloud is a composition of two or more clouds that remain unique entities but are bound together, offering the benefits of multiple deployment models Such composition expands deployment options for cloud services, allowing IT organizations to use public cloud computing resources to meet temporary needs This capability enables hybrid clouds to employ cloud bursting for scaling across clouds.Cloud bursting is an application deployment model in which an application runs in a private cloud or data center and "bursts" to a public cloud when the demand for computing capacity increases
Hybrid cloud solutions can strike a balance between the cost-effectiveness and scalability of a public cloud and the greater control and security of a private cloud
Appliances convert local protocol instructions to a web-based APIs such as Representational State Transfer (REST), which use simplified I/O commands that perform read, write and delete of data stored as objects
Summary
Hybrid cloud is a composition of two or more clouds (private, community or public) that remain unique entities but are bound together, offering the benefits of multiple deployment models Such composition expands deployment options for cloud services, allowing IT organizations to use public cloud computing resources to meet temporary needs This capability enables hybrid clouds to employ cloud bursting for scaling across clouds. Cloud bursting is an application deployment model in which an application runs in a private cloud or data center and "bursts" to a public cloud when the demand for computing capacity increases. A primary advantage of cloud bursting and a hybrid cloud model is that an organization only pays for extra compute resources when they are needed. Cloud bursting enables data centers to create an inhouse IT infrastructure that supports average workloads and use cloud resources from public or private clouds, during spikes in processing demands (Cong et al, 2012). Hybrid cloud provides the flexibility of in house applications with the fault tolerance and scalability of cloud based services (Robert Koletka, 2011). Hybrid cloud solutions can strike a balance between the cost-effectiveness and scalability of a public cloud and the greater control and security of a private cloud. Data that is needed less often, such as archived transaction histories or document images, Burns said, is stored in a public cloud where it can still be quickly and transparently accessed when needed
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