toward secure and dependable storage services in cloud computing pdf

Toward secure and dependable storage services in cloud computing pdf

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Towards Secure and Dependable Storage Services in Cloud Computing (1)

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AbstractCloud storage enables users to remotely store their data and enjoy the on-demand high quality cloud applications without the burden of local hardware and software management. Though the benefits are clear, such a service is also relinquishing users physical possession of their outsourced data, which inevitably poses new security risks towards the correctness of the data in cloud. In order to address this new problem and further achieve a secure and dependable cloud storage service, we propose in this paper a flexible distributed storage integrity auditing mechanism, utilizing the homomorphic token and distributed erasure-coded data. The proposed design allows users to audit the cloud storage with very lightweight communication and computation cost. The auditing result not only ensures strong cloud storage correctness guarantee, but also simultaneously achieves fast data error localization, i. Considering the cloud data are dynamic in nature, the proposed design further supports secure and efficient dynamic operations on outsourced data, including block modification, deletion, and append.

Many companies today are expanding into cloudcomputing as a way to reduce the cost and complexityof delivering traditional IT services. Cloud is not a particular product, but a way of delivering ITservicesthat are consumable on demand, elastic to scale up anddown as needed, and follow a pay-for- usage model. Cloud is an elastic delivery model that enables businesses tobecome more adaptable and interconnected. Monolithic andageing infrastructures give way or progress toward a rent versusbuy state of agility, where non-core competencies are shed fornot just on-demand technology, but also for on- demand businessinnovation and savings. Cloud is not a point product or a singulartechnology, but a way to deliver IT resources in a manner thatprovides self- service, on-demand and pay-per-use consumption. Cloud is designed to distribute IT resources in a cost-effectiveand nimble way. Consumption- driven cloud commerce moves anorganizations focus from CAPEX capital expenditure , whichtypically isnt fully utilized, to smaller, incremental and variable.

AbstractCloud storage enables users to remotely store their data and enjoy the on-demand high quality cloud applications withoutthe burden of local hardware and software management. Though the benefits are clear, such a service is also relinquishing usersphysical possession of their outsourced data, which inevitably poses new security risks towards the correctness of the data in cloud. In order to address this new problem and further achieve a secure and dependable cloud storage service, we propose in this papera flexible distributed storage integrity auditing mechanism, utilizing the homomorphic token and distributed erasure-coded data. Theproposed design allows users to audit the cloud storage with very lightweight communication and computation cost. The auditing resultnot only ensures strong cloud storage correctness guarantee, but also simultaneously achieves fast data error localization, i. Considering the cloud data are dynamic in nature, the proposed design further supports secureand efficient dynamic operations on outsourced data, including block modification, deletion, and append. Analysis shows the proposedscheme is highly efficient and resilient against Byzantine failure, malicious data modification attack, and even server colluding attacks.

Towards Secure and Dependable Storage Services in Cloud Computing (1)

Abstract: Cloud storage enables users to remotely store their data and enjoy the ondemand high quality cloud applications without the burden of local hardware and software management. Though the benefits are clear, such a service is also relinquishing users physical possession of their outsourced data, which inevitably poses new security risks towards the correctness of the data in cloud. In order to address this new problem and further achieve a secure and dependable cloud storage service, we propose in this paper a flexible distributed storage integrity auditing mechanism, utilizing the homomorphic token and distributed erasurecoded data. The proposed design allows users to audit the cloud storage with very lightweight communication and computation cost. The auditing result not only ensures strong cloud storage correctness guarantee, but also simultaneously achieves fast data error localization, i. Considering the cloud data are dynamic in nature, the proposed design further supports secure and efficient dynamic operations on outsourced data, including block modification, deletion, and append. Analysis shows the proposed scheme is highly efficient and resilient against Byzantine failure, malicious data modification attack, and even server colluding attacks.

Skip to Main Content. A not-for-profit organization, IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity. Use of this web site signifies your agreement to the terms and conditions. Toward Secure and Dependable Storage Services in Cloud Computing Abstract: Cloud storage enables users to remotely store their data and enjoy the on-demand high quality cloud applications without the burden of local hardware and software management. Though the benefits are clear, such a service is also relinquishing users' physical possession of their outsourced data, which inevitably poses new security risks toward the correctness of the data in cloud.

Cloud storage enables users to remotely store their data and enjoy the on-demand high quality cloud applications without the burden of local hardware and software management. In order to address this new problem and further achieve a secure and dependable cloud storage service, we propose in this paper a flexible distributed storage integrity auditing mechanism, utilizing the homomorphism token and distributed erasure-coded data. The proposed design allows users to audit the cloud storage with very lightweight communication and computation cost. The auditing result not only ensures strong cloud storage correctness guarantee, but also simultaneously achieves fast data error localization, i. Considering the cloud data are dynamic in nature, the proposed design further supports secure and efficient dynamic operations on outsourced data, including block modification, deletion, and append. Analysis shows the proposed scheme is highly efficient and resilient against Byzantine failure, malicious data modification attack, and even server colluding attacks. To view the content in your browser, please download Adobe Reader or, alternately, you may Download the file to your hard drive.

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Abstract: Cloud storage enables users to remotely store their data and enjoy the ondemand high quality cloud applications without the burden of local hardware and software management. Though the benefits are clear, such a service is also relinquishing users physical possession of their outsourced data, which inevitably poses new security risks towards the correctness of the data in cloud. In order to address this new problem and further achieve a secure and dependable cloud storage service, we propose in this paper a flexible distributed storage integrity auditing mechanism, utilizing the homomorphic token and distributed erasurecoded data.

Data security is one of the biggest concerns in adopting Cloud computing. In Cloud environment, users remotely store their data and relieve themselves from the hassle of local storage and maintenance. However, in this process, they lose control over their data. Existing approaches do not take all the facets into consideration viz.

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