Improving Network I/O Virtualization Performance of Xen Hypervisor

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Provided by: International Journal of Engineering Trends and Technology
Topic: Cloud
Format: PDF
Virtualization technology is the backbone of Cloud Computing. Virtualization provides efficiency, flexibility and scalability in cloud computing. Virtualization in cloud computing can be done through different virtualization platform such as VMware, Kvm, UMLinux, VirtualBox, Xen. Xen is an open source hypervisor; a virtualization tool for cloud computing that is widely used among cloud providers. Since, Xen yields poor throughput for network I/O virtualization. To overcome this problem; number of hardware and software enhancement solutions are proposed. Packet aggregation mechanism is one of the solutions that can improve the performance of driver domain based model of Xen. Packet aggregation mechanism results in increased throughput at a cost of maximized packet delay and jitter.
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