如实际可行，组织应定期测试这些应变程序。
The organization shall also periodically test such procedures where practicable.
其中包括组织、随需应变交互(服务提供者、使用者和代理之间)、应用程序和事件。
They include organization, on demand interaction (between service providers, consumers, and brokers), applications, and events.
在随需应变的企业，业务用户不希望在其应用程序访问此数据时遇到缺乏可用性或发生故障的情况。
In an on demand shop, business users do not want to encounter lack of availability or failure in their applications' accessing this data.
在随需应变的业务中，企业级应用程序需要与企业内部和外部的其他应用程序所提供的服务集成在一起。
In an on demand business, enterprise-level applications need to integrate with services provided by other applications, both inside and outside the enterprise.
电子商务随需应变应用程序中通常需要状态管理，但是最好由专用的机制或通过J2EE事务进行处理。
State management is often needed within e-business on demand applications, but it is best handled by a proprietary mechanism or through J2EE transactions.
这些层需要最大化应用程序与数据之间的松散耦合，以便为灵活的随需应变企业创建可重用的服务。
The layers are needed to maximize the loose coupling between applications and data in order to create reusable services for a flexible on-demand enterprise.
有了流处理与本地应用虚拟化，应用程序的安装可以随需应变。
With streamed and local application virtualization an application can be installed on demand as needed.
随需应变路由器将这些请求发送到动态集群，该动态集群是一个应用程序服务器和应用程序实例可以消耗的资源池。
The on demand router sends these requests to dynamic clusters, which represent a pool of resource that application servers and application instances can consume.
把现有的IMS应用程序和数据集成到随需应变面向服务体系架构中能让组织受益良多。
Integrating existing IMS applications and data into an on Demand Service Oriented Architecture can offer a number of benefits for organizations.
除非新应用程序是由很糟的开发人员编写的，否则提供灵活性的附加层意味着用户的响应时间将增加，使响应变得更慢。
Unless the new application was written by terrible developers, the extra layers providing the flexibility mean that the response time for users goes up, making it slower for them.
我们希望通过此系列文章帮助您了解如何使用工具，并希望您现在亲自部署自已的应用程序，使您的业务更加随需应变。
We hope that this series has helped you understand how to use the tooling, and that you are now on your way to developing your own applications to make your business more on-demand.
在随需应变的企业中，为了防止应用程序在关键时候发生故障，识别潜在问题并及早采取更正措施是至关重要的。
In an on demand shop it becomes crucial to identify potential problems and take corrective actions early in order to prevent the applications from failing in critical situations.
此逻辑执行服务虚拟化和面向方面的连接，旨在实现应用程序服务之间随需应变的互连。
This logic performs service virtualization and aspect-oriented connectivity, which is targeted at achieving on demand interconnectivity between application services.
程序对意料之外的数据处理得越好，它就更可能适应变化的环境。
The better a program deals with unexpected data, the more likely it is to adapt well to varied circumstances.
如果发现应用程序响应变慢，但处理器使用比较低，可能是没有足够的可用连接用于执行数据库查询。
If you notice that the application responds slowly, yet processor utilization is low, there may not be enough connections available to perform a query on the database.
如果您已经编写应用程序来利用此功能的话，定会惊讶于它所提供的强大的随需应变的处理能力。
This functionality can provide massive processing power on demand — if you've written your application to take advantage of it.
它使用随需应变的方式在不同应用程序服务器之间交换信息。
This design uses an application that exchanges information across different application servers in an on-demand fashion.
下面是一些建议的设计方法，它们能够确保应用程序易于修改并且随需应变。
Here are some suggested design methods that can help ensure that your applications are easily modified and adapt well to growth.
IBM提供了大量的应用程序开发工具，设计这些工具是为了使得现有公司中的应用程序能随需应变。
IBM provides a broad array of application development tools designed to support existing enterprises as they make their applications available on demand.
随需应变企业的业务驱动因素正在推动到松散耦合、可动态配置的应用程序的转变。
Business drivers for an on-demand enterprise are driving the shift to loosely coupled, dynamically configurable applications.
DB 2家族：数据库管理系统，能够提供灵活并且有成本效益的数据库平台，以构建健壮的随需应变的业务应用程序。
DB2 family: database management system that delivers a flexible and cost-effective database platform to build robust on demand business applications.
四大趋势也已经显现出来：机器人将变得更能随事应变，更便宜，更简单的程序编制，更安全。
Four trends were on show: robots are rapidly becoming more responsive, cheaper, simpler to program and safer.
在随需应变操作环境中，无论在应用程序层还是基础设施层上(参见图2)，标准都发挥着越来越重要的作用。
Standards play an increasingly important role in the on Demand Operating Environment, on both the application and infrastructure layers (see Figure 2).
然后随需应变企业采用某种策略来构建这些松散耦合、动态配置的应用程序，而不是构建紧密耦合、硬连接的应用程序。
On-demand enterprises then adopt a strategy to build these loosely coupled, dynamically configured applications, instead of tightly coupled, hard-wired applications.
这同软件开发一样。程序的严格性是根据产品的不同类型而相应变化的。
The same is true for software development: The rigor of your process should vary according to the type of product on which you are working.
这为部署随需应变应用程序所必需的松散耦合提供了支持。
This enables the loose coupling required to deploy on-demand applications.
随需应变应用程序帮助客户面对今天不断的变化，残酷的竞争，金融压力以及不可预测的威胁等带来的挑战。
On Demand applications help customers meet today's challenges of continuous change, rigorous competition, financial pressures, and unpredictable threats.
随需应变应用程序的使用则更为动态，提供了集成的、可视化的或自动化的特性。
On Demand applications act more dynamically to provide integration, virtualization, or automation features.
通过如下这些步骤，我们描述了开发、测试和部署随需应变业务流程应用程序的方法。
We describe a method of developing, testing, and deploying an on demand business process application by following these steps.
通过如下这些步骤，我们描述了开发、测试和部署随需应变业务流程应用程序的方法。
We describe a method of developing, testing, and deploying an on demand business process application by following these steps.
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