Abstract
With a fast growing pervasive computing, especially cloud computing, the behaviour measurement is at the core and plays a vital role. A new behaviour measurement tailored for Multitenants in cloud computing is needed urgently to fundamentally establish trust relationship. Based on our previous research, we propose an improved trust relationship scheme which captures the world of cloud computing where multitenants share the same physical computing platform. Here, we first present the related work on multitenant behaviour; secondly, we give the scheme of behaviour measurement where decoupling of multitenants is taken into account; thirdly, we explicitly explain our decoupling algorithm for multitenants; fourthly, we introduce a new way of similarity calculation for deviation control, which fits the coupled multitenants under study well; lastly, we design the experiments to test our scheme.
Highlights
Cloud computing has recently attracted an important attention and dubbed as the “ best thing” in information and communication technologies (ICT) [1]
We leverage the generalized predictive control affiliated to cybernetics to solve the problem of behavior measurement of multitenants on the same physical server brought by the new paradigm of cloud computing
Firstly we depict the cloud computing system in the view of generalized predictive control; secondly, we present the description of behaviors in cloud computing; thirdly, we introduce the establishment of list of malicious tenants’ behaviors; fourthly, we give decoupling algorithm for multitenant behaviors both in private and public clouds using generalized predictive control without coupling; fifthly, we give the similarity calculation used in our scheme for deviation control to confirm whether the suspected behavior is trusted or not
Summary
Cloud computing has recently attracted an important attention and dubbed as the “ best thing” in information and communication technologies (ICT) [1]. As the intrinsic feature of cloud computing, multitenancy brings sharing concept to almost all information technologies such as sharing computing resources, sharing storage resources, and sharing network. Coresident clients might have no preestablished trust relationship and might have no knowledge of the existence or identities of other clients. In such a setting, if one of the coresidents maybe attacks the other coresidents it will be much easier to succeed and be difficult to detect. If one of the coresidents maybe attacks the other coresidents it will be much easier to succeed and be difficult to detect This risk incurred by trusted measurement of multitenant is a barrier to acceptance of cloud computing. We leverage the generalized predictive control affiliated to cybernetics to solve the problem of behavior measurement of multitenants on the same physical server brought by the new paradigm of cloud computing
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