这一功能使您可以跟踪您服务器上的应用程序变更，这对于在复杂的IT环境中维护应用程序服务级别协议(SLA)是很重要的。
This capability allows you to track application changes on your server, which is important to maintenance the application for service level agreement (SLA) in a complex it environment.
同样，即使存根可能与运行在相同后端服务器的服务进行对话，典型的JAX - RPC运行时也分别为每个单独的存根维护会话数据。
As such, a typical JAX-RPC runtime maintains the session data separately for each individual stub even though stubs may talk with services running at the same back-end server.
此外，应用服务器可以维护一个MDB的多个实例，来处理并发的服务请求。
Additionally, application servers can maintain multiple instances of an MDB to handle concurrent service requests.
假设REST不需要维护通信状态，您可以改进对服务器使用的可伸缩性——可以使用不同的服务器处理初始和后续请求。
Given that REST doesn't need to maintain communication state, you can improve the server scalability with its use-you can use different servers to handle initial and subsequent requests.
这些更新服务器提供不同的发行版，可以把服务器的维护外包，包括当前的软件状态、更新和补丁。
These update servers are available for different distributions and offer the advantage of outsourcing the maintenance of the server, including the current software status, updates, and fixes.
后一种技术要求专门的服务来接收XML请求和维护页面的不同版本，虽然用几行PHP代码就能编写这样的服务器扩展。
The latter technique requires a specialized server to receive your XML requests and maintain different versions of pages, though you can easily write such a server extension in a few lines of PHP.
在Windows服务器上，必需有这种维护窗口，但是在Domino服务器仍然运行的同时，可以将补丁应用到大多数基于Unix的操作系统上。
This maintenance window is necessary on Windows servers, but you can apply patches to most Unix-based operating systems while the Domino server is running.
备份服务器(buserver)—负责维护备份数据库，以管理数据库服务器上的所有备份操作。
Backup server (buserver) - Maintains backup database to administer all backup operations on the database servers.
JSR-181引入的编程模型建立在J2EE 1.4服务器模型和JAX-RPC 的基础之上，简化了开发人员需要维护的Web服务构件数量。
The programming model that is introduced by JSR-181 builds on the J2EE 1.4 server model and JAX-RPC by simplifying the number of web service artifacts that the developer needs to maintain.
正如前面提到的，DBA可以使用传感器收集服务器数据，从而维护关于服务器上活动的历史记录。
As mentioned earlier, sensors can be used by DBAs to accumulate server data in order to maintain a history of activities on the server.
服务器数量的减少和集群的实现允许在服务器上进行维护时，用户无需任何停机。
The reduction of servers and the implementation of clustering allowed maintenance to take place on the servers without requiring any downtime for the users.
冗余服务器、#5和 #6提供继续处理传入的请求的能力，其中两个服务器应该需要为计划的和未计划的维护作准备。
The redundant servers, #5 and #6, provide the ability to continue processing incoming requests, should two of the servers need planned or unplanned maintenance.
如今，IT数据中心必须跨多个操作系统版本提供和维护稳定性、安全性和可伸缩性服务，这类服务可在多种服务器硬件和操作系统上运行。
Today, IT data centers must provide and maintain stable, secure, and scalable services that run on multiple types of server hardware and operating systems, across several operating system versions.
对主要服务器的任何更新会立即复制到辅助服务器，以维护一个活动数据副本。
Any update made on this primary server is immediately replicated to the secondary server so as to maintain a copy of the active data.
无状态的故障恢复是最简单的方法，但也是作用最有限的方法，因为该方法在故障服务器与备用服务器之间没有维护任何状态。
Stateless failover is the simplest approach but also the least useful approach given that the approach maintains no state between the failed server and the backup server.
DWR框架可以用来在服务器端接收这些事件，但是服务器端会话状态需要维护在什么地方？
The DWR framework can be used to receive these events on the server side but where the conversational state needs to be maintained on the server side?
客户自管理的服务器——只提供安装了操作系统的初级服务器，客户需要从此开始自行维护操作系统(包括操作系统许可证)并保障其安全性。
Client Managed Server - only initial OS installation provided, from that point forward the customer maintains and secure the OS including licensing of the OS.
但是，订阅者的初始花费很低，他们能够获得支持服务（通常是24/7服务），而且不用担心软件的服务器、安装、升级以及维护等问题。
However, subscribers benefit from low initial costs, have access to (usually 24/7) support services, and needn’t worry about hosting, installing, upgrading, or maintaining the software.
也就是说，HTML表单将POST到服务器，服务器创建并维护新创建的联系人。
That is, an HTML form will be POSTed to the server, and the server creates and persists the newly created contact.
在基于REST的Web服务中，服务器负责生成响应，并提供使客户端能够独自维护应用程序状态的接口。
In a RESTful Web service, the server is responsible for generating responses and for providing an interface that enables the client to maintain application state on its own.
从理论上将，它可提供三种服务：主体数据库维护、身份验证服务器(AS)和票据授予服务器(TGS)。
Logically it provides three services, principals database maintenance, authentication server (as), and ticket granting server (TGS). KDC runs two important daemons.
卷位置服务器(vlserver)—负责维护卷位置数据库(VLDB)来跟踪有关卷及其在文件服务器上的位置的所有信息。
Volume location server (vlserver) - Maintains volume location database (VLDB) to track all information about volumes and their location on a file server.
LotusDomino管理员负责用户和组的管理、服务器配置和服务器维护。
The Lotus Domino administrators were responsible for the users and group administration, server configuration, and server maintenance.
如何使服务器前端的维护页面，当你重新启动后台服务？
How to enable a maintenance page on the frontend server while you are restarting the backend service?
因为流程状态存储在数据库，所以流程引擎在服务器关闭之后可以恢复运行流程。服务的关闭是由于硬件故障或者正常维护。
Because the process state is stored in a database, the process engine can also recover running processes after a server shutdown, due to hardware failure or regular maintenance.
每个服务器维护其自己的连接索引，广播到所有服务器的传入连接和断开连接。
Each server Maintains Its Own connection Index, Broadcast incoming connections and disconnections to all servers.
由于采用了专而精的设计思想，网络专用服务器能以较低廉的价格向用户提供高性能、高可靠性、易维护的网络服务。
This design principle of providing less but better services make network-specialized file server cheaper, at the same time it's of higher performance, more reliability and easier usage.
一般来说，把花在建网站和维护服务器上的时间用来服务客户，你会获得更大的价值。
As a rule, the hours you'd spend doing your own website and server maintenance would be far better spent serving your customers.
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故障管理机制使得系统在某台服务器意外失效的情况下仍能为用户提供连续性的服务，并方便维护人员进行故障定位。
Fault management mechanism makes it possible for the user to use application services continually while the server it is using fails.
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