Citrix XenApp 6.5部署指南 for Windows Server 2008 R2

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"XenApp 6.5 for Windows Server 2008 R2 是一款由Citrix Systems公司推出的远程应用发布解决方案。本资源主要针对该版本的详细讲解和部署,提供中文指导,旨在帮助用户理解和实施XenApp在Windows Server 2008 R2环境下的配置和管理。" 在XenApp 6.5 for Windows Server 2008 R2中,用户可以体验到以下关键知识点: 1. **系统要求**:在部署前,你需要了解硬件和软件的最低需求,包括处理器速度、内存大小、磁盘空间以及对Windows Server 2008 R2操作系统的特定版本要求。 2. **规划**:这部分详细讨论了设计和规划阶段,包括了解场(Farm)的概念,考虑用户体验,评估硬件条件,分析应用程序负载,确定服务器数量,规划服务器功能,选择合适的数据存储,以及配置日志记录和IMA加密。 3. **应用程序兼容性**:评估应用程序是否适合通过XenApp交付,以及选择合适的交付方法,如应用程序流技术推送。 4. **服务器布局**:决定在哪些服务器上部署应用程序,以及需要多少台XenApp服务器来满足预期的负载需求。 5. **场结构**:规划场的规模,包括可能需要的多个场,以及如何利用WebInterface和XMLBroker提供用户访问。 6. **账户和信任关系**:在Active Directory环境中,规划账户策略和建立必要的信任关系,确保安全和权限控制。 7. **系统监视和维护**:规划定期的系统监控和维护任务,以确保服务的稳定性和性能。 8. **用户账户控制(UAC)**:理解UAC在XenApp环境中的影响,并规划适当的设置以平衡安全和用户体验。 9. **安全交付和访问**:设计安全策略,包括客户端身份验证,以保护数据和应用资源不被未经授权的访问。 10. **语言和Windows MUI支持**:规划支持多语言环境,包括Windows多语言用户界面(MUI)的支持。 11. **安装和配置**:涵盖了从安装前的准备工作,如检查系统兼容性,到使用向导或命令行进行XenApp的安装和配置。 12. **映像和置备**:学习如何准备XenApp镜像,以及如何高效地分配和准备服务器资源。 13. **数据存储数据库**:了解如何配置Microsoft SQL Server或Oracle数据库作为XenApp的数据存储,以及相关的数据库参考信息。 14. **迁移**:提供了从旧版本或其他环境迁移到XenApp 6.5的指南,包括使用XenApp Migration Center工具和迁移过程的要求与安装步骤。 15. **图形界面与命令行迁移**:分别介绍了如何使用图形用户界面和命令行接口来执行XenApp的迁移操作。 这个资源是XenApp管理员和IT专业人员的宝贵参考资料,它覆盖了从基础规划到高级配置的所有重要方面,有助于成功部署和管理XenApp 6.5 for Windows Server 2008 R2环境。
2012-06-17 上传
• Citrix XenApp5.0培训 • 主讲:jaffee • XenApp 5.0 server • Farm:  Citrix XenApp server uses server farms to organize and manage servers.  load balance user sessions  manage the entire set of Citrix XenApp servers from a single point  Users can connect directly to applications, without needing to know the location of an individual server  reconnect to another server and receive the same environment as before when the sever crashs • TwoTechnology • ICA: Independent Computing Architecture  At its heart, ICA intercepts and transports screens from the server that a published application runs on to the client PC It then takes the user’s return input and transmits it back to the server for processing  ICA uses port 1494 by default, or 2598  What Is Actually Being Sent between an ICA Client and a XenApp Server?  ICA works by essentially piggybacking on top of other protocols such as TCP/IP、 UDP and IPX/SPX  The ICA client also can cache frequently used graphics such as icons and menu items • Citrix Session States • TwoTechnology • Independent Management Architecture(IMA)  It is a centralized management subsystem that allows you to define and control the elements of your server farm  Server-to-server communication occurs over TCP port 2512, PMC-to-server communication occurs over TCP port 2513  In essence, it is the technology that allows you to group servers • Citrix Datastore • S tore information within the Citrix XenApp server farm that remains relatively static. Items such as published applications, administrator names and permissions, and server listings • A single datastore is used for each individual server farm • T he datastore can reside on a Citrix XenApp server or on a dedicated host • Citrix XenApp supports Microsoft Access, MS SQL Express, MS SQL Server, IBM DB2 • Disk space requirements for the datastore are approximately 20 MB for every 100 servers • Datastore Usage • Access mode: direct mode and indirect mode  Direct mode :Microsoft SQL or Oracle  Indirect mod:Microsoft Access With the availability of three solutions for the datastore, how do you tell which one best fits your environment? • LHC :Local Host Cache • The LHC is a partial copy of the datastore database that every XenApp server maintains locally to the server itself  Continue running based on the configuration that is last received from the datastore  performance • Data Collector • Manage information that changes frequently, such as current sessions, active licenses, and server and application load values within a zone • The data collector acts as the central point of information when clients connect to your server farm • Every zone with a server farm consists of one active data collector • Bandwidth Requirements for a Server Farm • Server-to-Data-Store Communication KB = 275 + (5 * Servers) + (0.5 * Apps) + (92 * Print Drivers) A farm with 4 severs,12 published applications, and 6 print drivers KB = 275 + (5 * 4) + (0.5 * 12) + (92 * 6) KB = 275 + (20) + (6) + (552) KB = 275 + (578) KB = 853 • Bandwidth Requirements for a Server Farm • Data Collector Communication Bytes = 11000 + (1000 * Con) + (600 * Discon) + (350 * Apps) A server with 20 connected sessions, four disconnected sessions, and nine published applications Bytes = 11,000 + (1,000 * 20) + (600 * 4) + (350 * 9) Bytes = 11,000 + (20,000) + (2400) + (3150) Bytes = 11,000 + (25,550) Bytes = 36,550 or 36.55 KB • Listener Ports • Listener ports work in cooperation with internal system components and client connections • The listener service monitors new client connections and manages the idle sessions. • CPS4.5 vs XenApp 5.0 XenApp 2008/1 Presentation Server MetaFrame WinFrame Note: Xen App5.0:windows server 2003*/2008* CPS4.5 :windows server 2003 * • XenApp Server Editions • XenApp Edition Components • XenApp 5.0 Server License Server • XenApp server will not accept user connections until it can contact a License Server • Citrix provides a 96-hour initial grace period that will allow up to two users to connect while unable to connect to a License Server • Citrix XenApp client • the XenApp Plugin,the XenApp Web Plugin, and Program Neighborhood • Microsoft’s System Center Configuration Manager (SCCM) IBM’s Tivoli Provisioning Manager are used to centralize deployment and maintain software • the XenApp Plugin • Launch applications from her Start | Programs menu • Step:  publishing an application to the XenApp farm  To launch an application from the System Tray icon  DISCONNECT, RECONNECT, AND LOG OFF OF AN APPLICATION WITH THE CONNECTION CENTER • the Citrix XenApp Web Plugin • The Web Plugin is the simplest of the Windows clients and does not allow for as much interaction or configuration. • often be deployed in scenarios where machines are older, slower, or not in need of additional configuration options such as the Start menu and desktop shortcuts • Program Neighborhood • Oldest ICA client version but the most advanced • Many settings are available to users as check boxes or radio buttons • good in the sense that users can enable a setting such as Local Text Echo for just their client if they are a fast typist and the latency of the session cannot keep up; and bad when a user can delete his application set and can’t get connected • the only client that connects to applications on a Citrix server that have not been published for access by users