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Reseach Article
Block Level De-duplication Check for Shared Data on Hybrid Cloud using Convergent Key
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 122 - Number 20 |
| Year of Publication: 2015 |
| Authors: Priyanka N. Patil, C. R. Barde |
10.5120/21817-5147
|
Priyanka N. Patil, C. R. Barde . Block Level De-duplication Check for Shared Data on Hybrid Cloud using Convergent Key. International Journal of Computer Applications. 122, 20 ( July 2015), 24-30. DOI=10.5120/21817-5147
Abstract
In regards to increase in use of digital information users prefer to store information in cloud system. In cloud storage system many users can store same type of data leading to data duplication causing a high utilization of bandwidth. Some techniques are proposed for making cloud more efficient and effective regarding to storage and bandwidth. In current time data de-duplication is effective technique to avoid such data duplication caused due to privileged as well as non-privileged user. To save bandwidth to transact data when replicating it offsite for disaster recovery huge organization, companies and all education institutes supports de-duplication technique. With the help of "Content hash keying" data confidentiality is provided. Using this technique data is first encrypted and the encrypted data is outsourced to the client. To address the problem of authorized access in our proposed system de-duplication check technique is introduced and privileged access which is different from traditional data de-duplication check system. Log based approach for unauthorized data duplication check in hybrid cloud architecture is also explored. For privileged as well as for non-privileged users de-duplication can be managed using the above technique. Proposed system provides clever solution for duplication of data and also works on bandwidth efficiency.
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