虚拟机在多媒体教室管理中的应用探讨

虚拟机技术的发展近年来已经越来越成熟,并在教学中得到了广泛的应用.结合实际的工作经验,就虚拟机在多媒体教室计算机系统管理中的应用作了探讨性的研究,分析研究了虚拟机的特点及利用虚拟机软件解决多媒体教室计算机系统管理中的若干问题.     

基于VMware虚拟网络技术的DHCP服务器实验设计

在教学过程提出了一种基于VMware虚拟网络技术实现DHCP中继代理的设计方案。使用VMware构建虚拟网络环境,然后在WindowsServer2003中安装DHCP服务,配置路由和远程访问服务来实现不同子网之间的路由,并能为不同子网的客户机动态分配IP地址。最后,对该设计方案进行了测试。     

Exact analysis of a two-workstation one-buffer flow line with parallel unreliable machines

This paper examines a model of a serial flow line with two workstations and an intermediate buffer. Each workstation consists of multiple unreliable parallel machines which are not necessarily identical, viz., the processing times, failure times and repair times of the parallel machines at each workstation are assumed to be exponentially distributed with non-identical mean rates. The system under consideration is solved via exact Markovian analysis. More specifically, a recursive algorithm that generates the transition matrix for any value of the intermediate buffer capacity is developed and all possible transition equations are derived and solved analytically. Once the transition equations are solved the performance measures of the model under consideration can be easily evaluated. This model may be used as a decomposition block for solving larger flow lines with parallel unreliable machines at each workstation.     

Parallel computation of the flow of integral viscoelastic fluids on a heterogeneous network of workstations

We consider the parallel computation of flows of integral viscoelastic fluids on a heterogeneous network of workstations. The proposed methodology is relevant to computational mechanics problems which involve a compute-intensive treatment of internal variables (e.g. fibre suspension flow and deformation of viscoplastic solids). The main parallel computing issue in such applications is that of load balancing. Both static and dynamic allocation of work to processors are considered in the present paper. The proposed parallel algorithms have been implemented in an experimental, parallel version of the commercial POLYFLOW package developed in Louvain-la-Neuve. The implementation uses the public domain PVM software library (Parallel Virtual Machine), which we have extended in order to ease porting to heterogeneous networks. We describe parallel efficiency results obtained with three PVM configurations, involving up to seven workstations with maximum relative processing speeds of five. The physical problems are the stick/slip and abrupt contraction flows of a K.B.K.Z. integral fluid. Using static allocation, parallel efficiencies in the range 67%–85% were obtained on a PVM network with four workstations having relative speeds of 2:1:1:1. Parallel efficiencies higher than 90% were obtained on the three PVM configurations using the dynamic load-balancing schemes.     

基于VMware的Linux系统下Cortex-A8平台的环境搭建

Cortex-A8平台是嵌入式系统技术的综合体现,Cortex-A8平台在VMware的Linux操作系统下需要将实体计算机作为Cortex-A8平台的通信终端,借助虚拟机下的Linux操作系统为其编译内核和可执行的命令,在虚拟机上安装和挂载Samba服务和NFS服务。文章详述Cortex-A8平台复杂实验环境的搭建过程。     

利用VMware NSX实现CentOS系统及服务的高可用

通过相对廉价、高效同时具备高扩展性的VMwareNSX网络虚拟化组件中的单臂负载均衡技术实现CentOS服务器的高可用以及负载分担。     

基于VMware环境下DHCP服务器的配置

VMware是一款虚拟机软件,它可以使得在一台计算机上同时运行多个操作系统,各系统之间运行环境隔离,相互之间没有任何影响。本文介绍了如何利用VMware来进行Linux服务器的配置,详细描述了中继服务器DHCP配置过程。     

基于服务器虚拟化技术的数字图书馆建设研究

按照高校中小型数字图书馆建设的要求,以某学院的数字化图书馆系统整合为例,介绍了一种基于服务器的虚拟化技术。采用免费VMware ESXi软件,在多种数据库系统的基础上实现了数字化图书馆的建设。     

服务器虚拟化技术分析

现在虚拟化几乎已经成为一个众所周知的术语,有些企业系统部分或者全部实现了虚拟化。文章介绍分析了服务器虚拟化的功能特点及价值优势,并且比较了业界最为常用的三种服务器虚拟化产品,给出了选择建议。     

基于华为ENSP和Vmware Workstation软件模拟MAC洪泛攻击与防御的实验综述报告

通过VMware Workstation模拟操作系统、华为eNSP模拟网络环境组成的模拟环境对学生直观的讲解攻击的过程和如何防御,加深学生对交换机原理的理解。同时可以有效解决实验室设备数量功能等受限的问题,方便学生随时学习掌握。教学效果得到了很大的提升。