Volume : III, Issue : XI, November - 2013

TPA Added Service in Cloud Computing

K. Palanisamy

Abstract :

Cloud computing involves three segments. They are cloud user(U), who has large amount of data files to be stored in the cloud , the cloud server(CS), which is managed by cloud service provider(CSP) to provide data storage service. The system adds the fourth layer the Third Party Auditor(TPA),who has expertise and capabilities that maintain the stability between cloud users, cloud data and cloud system. The TPA has the responsibilities to manage four things 1)Public audit ability : to allow TPA to verify the correctness of the cloud data on demand without retrieving a copy of the whole data or introducing additional on–line burden to the cloud users; 2)Storage correctness : to ensure that there exists no cheating cloud server that can pass the audit from TPA without indeed storing users data intact; 3)Privacy – preserving: to ensure that there exists no way for TPA to derive users data content from the information collected during the auditing process; 4)Batch auditing: to enable TPA with secure and efficient auditing capability to cope with multiple auditing delegations from possibly large number of different users simultaneously; 5)Lightweight: to allow TPA to perform auditing with minimum communication and computation overhead. The U(Cloud User)sends the file F to Cloud server and disconnects the connections then U forms the META Data about F to TPA manages the META data without the whole storage data storage to avoid the duplication. User demands the TPA to audit with correctness of Cloud server about F. The TPA starts with auditing by connecting with cloud using META Data. For Cheating prevention META Data consists the Random Pin Approach.TPA uses the thread fashion to manage the auditing user demands with defined number of ways

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Article: Download PDF   DOI : 10.36106/ijar  

Cite This Article:

K. Palanisamy / TPA Added Service in Cloud Computing / Indian Journal of Applied Research, Vol.3, Issue.11 November 2013

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