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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Schnjakin, M. Meinel, C. |
| Copyright Year | 2013 |
| Description | Author affiliation: Hasso Plattner Inst., Potsdam Univ., Potsdam, Germany (Schnjakin, M.; Meinel, C.) |
| Abstract | Cloud Computing as a service-on-demand architecture has grown in importance over the previous few years. One driver of its growth is the ever increasing amount of data which is supposed to outpace the growth of storage capacity. The usage of cloud technology enables organizations to manage their data with low operational expenses. However, the benefits of cloud computing come along with challenges and open issues such as security, reliability and the risk to become dependent on a provider for its service. In general, a switch of a storage provider is associated with high costs of adapting new APIs and additional charges for inbound and outbound bandwidth and requests. In this paper, we present a system that improves availability, confidentiality and reliability of data stored in the cloud. To achieve this objective, we encrypt user's data and make use of the RAID-technology principle to manage data distribution across cloud storage providers. We conduct a proof-of-concept testbed experiment for our application to evaluate the performance and cost effectiveness of our approach. We deployed our application using eight commercial cloud storage repositories in different countries. Our approach allows users to avoid vendor lock-in, and reduces significantly the cost of switching providers. We also observed that our implementation improved the perceived availability and, in most cases, the overall performance when compared with individual cloud providers. Moreover, we estimated the monetary costs to be competitive to the cost of using a single cloud provider. |
| Starting Page | 1 |
| Ending Page | 9 |
| File Size | 1681187 |
| Page Count | 9 |
| File Format | |
| e-ISBN | 9781467357753 |
| DOI | 10.1109/ICCCN.2013.6614137 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-07-30 |
| Publisher Place | Bahamas |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Cloud computing Encoding Throughput Cryptography Google Availability |
| Content Type | Text |
| Resource Type | Article |
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