【摘要】 虚拟块设备是虚拟化技术实际应用中关键的一环,本文分析了Xen平台中PVHVM模型通用性和性能两方面的优势,结合源代码、数据追踪和实验,对虚拟块设备的各模块间的数据交互流程进行了详细的分析,比较并阐述PVHVM模式下虚拟块设备的特点。更多还原

【Abstract】 Virtual block device is a key part of practical virtualization technology. This paper analyzes the advantages of both the versatility and performance of PVHVM model in the Xen platform. After that, the article carried out a detailed analysis of the data interaction processes between the virtual block device modules, then compared and elaborated different type of virtual block device backend--blkback’s and blktap’s characteristics based on the source code, data tracking and the experimental test.更多还原