An Efficient Approach for Cloud Computing based on Hierarchical Secure Paravirtualization System Resource Model
Deepika Patidar, Pushpinder Singh Patheja · 2012
Paravirtualization is an enhancement of virtualization technology in which guest operating system is recompiled prior to installation inside a virtual machine. Paravirtualization allows for an interface to the virtual machine that can differ from an underlying hardware. Cloud computing depends on paravirtualization for more efficient system resources like processors and memory. Paravirtualization used for cloud computing to implementing service and distributed resource to end user over the web as web service. The cloud computing is a new computing model which comes from grid computing, distributed computing, parallel computing, virtualization technology and other computer technology and it has more advantage characters such as large scale computation and data storage, virtualization, high expansibility, high reliability and low price service. The major issue of paravirtualization is a security when user stipulate for cloud resources. Cloud computing services are providing on-demand resources via paravirtualization technologies. This will make cloud computing a potential target for cyber attacks. Most proposed security models for paravirtualization are working above virtualization on host OS. Almost all proposed cloud security models suffers from this problem in that these models have very limited control over virtualization. In this paper a Hierarchical Secure Paravirtualization System Resource Model (HSPSRM) is proposed to provide threat quarantine and conquer in addition to complete control on virtualization. HSPSRM needs to be implemented under the virtualization level and eventually moving up to the guest OS. This security model has the potential to protect various cloud service models implemented by cloud vendors, such as IaaS, PaaS, dSaaS, and SaaS, and improves cloud vendor control level in IaaS. To the best of our knowledge, model or implementation like HSPSRM, able to protect the cloud from DDoS attack, unauthorized access, data leakage as well. This architecture model will integrate cloud security components like interceptor, warning recorder, etc to reduce the computation thereby enhancing the security of cloud protection system.