为了提高VDI基础架构性能和容量设计的准确性,通过对影响VDI(virtual desktop infrastructure)系统性能和容量因素的分析,明确了在企业网环境下VDI架构的计算资源、存储资源和网络资源的承栽能力是影响VDI性能的关键度量因素。提出了VDI宿主服务器容量承载算法、存储性能承载算法以及WAN环境下的网络带宽承载算法。基于以上容量承载算法模型,研究了关联系统对公式准确性的影响,并给出了参数测试校准方法和系统性能优化的主要途径。结合测试数据验证了容量承载算法。该方法的模型和算法简洁,便于工程化应用。
To improve the design accuracy of VDI infrastructure performance and capacity, the VDI (virtual desktop infrastruc- ture) system performance and capacity factors are analyzed. The key performance metrics in the enterprise network environment are identified including the VDI carrying capacity of computing, storage and network resources. The VDI hosted server capacity scaling algorithm, the storage performance scaling algorithm, and the WAN bandwidth scaling algorithm are proposed. Based on these capacity scaling algorithms, the interconnected systems are researched for the accuracy of the formula. The VDI system performance optimization methods, the parametric test calibration methods and the actual verification results are given. The model and algorithm of the method is simple and convenient for engineering.