通常已经存在提供核心功能的遗留应用程序。
Typically a legacy application already exists that provides the core functionality.
与已经存在的遗留应用程序或服务相关的服务。
A service where a legacy application or service already exists.
垂直伸缩还是水平伸缩(着眼于遗留应用程序)。
Vertical scaling versus horizontal scaling (look at legacy apps).
它应该能够与遗留应用程序进行集成(如，硬件配置)。
It should integrate with legacy applications (for example, hardware configuration).
现在我们必须将此遗留应用程序作为服务公开。
Now we must expose the legacy application as a service. In our recipe this is an example of a four-step process of reusing an existing service or application.
规则架构师必须定义接口来与现有的外部和遗留应用程序交互。
The rules architect must define interfaces to interact with existing external and legacy applications.
确定了候选遗留应用程序后，同样重要的是要标识服务候选者。
After identifying the candidate legacy applications, it's equally important to identify the candidates for services.
遗留应用程序可以根据所使用的用户界面分为多种类型，包括。
Legacy applications can be of several types based on the user interface they use, of which there are.
现在我们来看这个困难在真实的遗留应用程序场景中作用的情况。
Now let's look at how this difficultly plays out in a realistic legacy application scenario.
SOA成功的关键在于，对遗留应用程序等现有IT资产的重用。
Key to the success of SOA is the reuse of existing IT assets such as legacy applications.
将遗留应用程序的功能分离并公开为可重复使用的服务。
Separation and exposure of legacy applications' functionality into reusable services.
要进行测试，需要创建存根，用于替代生产环境中的遗留应用程序。
Testing requires creation of stubs, which would substitute the legacy applications in a production environment.
Synapse可以将您的遗留应用程序转换为先进的Web服务。
Synapse can transform your legacy applications into state-of-the-art Web services.
要确定哪些遗留应用程序应该启用SOA支持，请按以下方法进行。
To identify which legacy applications should be soa-enabled.
在遗留应用程序中有一套工业标准为普通汽车维修活动进行劳务估价。
There are a set of industry-standard labor estimates for common automotive maintenance activities available through a legacy application.
这是遗留应用程序的典型示例，提供了提供服务时所必需的核心功能。
This is a classic example of a legacy application, and it provides the core functionality necessary to provision a service.
IIPx团队还对遗留应用程序使用了增量式加载，以实现无缝过渡。
The IIPx team also used incremental on-boarding of legacy applications that allowed for a non-disruptive transition path.
这些优化后的过程利用了新的可见性，并且还能与遗留应用程序相集成。
These optimized processes leverage the new visibility and can also integrate with legacy applications.
常常使用外部存储过程访问遗留数据存储和遗留应用程序系统。
External stored procedures are often used to access legacy data stores and legacy application systems.
CBS可能包含遗留应用程序、打包应用程序和网络交付服务。
CBS may include legacy applications, packaged applications, and network delivered services.
中间相遇方法需要业务分析师、软件架构师和遗留应用程序专家彼此协作。
The meet-in-the-middle approach requires collaboration between business analysts, software architects, and specialists for the legacy applications.
SOA提供利用现有遗留应用程序的功能，通常是在重写代码时划算的选择。
An SOA offers the ability to leverage existing legacy applications, which is usually a cost-effective alternative to rewriting code.
因此如果xml流进入遗留应用程序，可能需要解决Unicode的问题。
So if the XML stream feeds a legacy application, you must deal with Unicode.
一个原因是要与旧系统兼容，正如我们要编写与遗留应用程序兼容的代码一样。
One reason is compatibility with older systems, similar to our writing code to be compatible with legacy applications.
性能和负载承载能力非常依赖于中间件堆栈和遗留应用程序(在生产环境中)。
There's a high dependence of performance and load-bearing capability on the middleware stack and legacy applications (in production environment).
SOA中一个正在逐渐受到广泛关注的领域是遗留应用程序的生命周期增长。
One area in which SOA is only just beginning to gain popularity is in increasing the lifespan of legacy applications.
本系列的第3部分还介绍了如何使用自顶向下方法将遗留应用程序作为服务公开。
Part 3 of this series also showed how a legacy application can be surfaced using a top-down approach.
其中通常涉及位于企业核心位置的主要软件资产(遗留应用程序)的面向服务化。
They typically involve the service orientation of key software assets that are at the core of the enterprise (legacy application).
通过“割裂”并重写，企业将完全地卸下遗留应用程序，并用较新的技术进行重写。
With "rip" and rewrite, enterprises completely tear out their legacy applications and rewrite them using newer technologies.
对于自定义遗留应用程序，更改实现是可能的，但这种更改耗费的时间和金钱通常太多。
In case of custom legacy applications, changes to the implementation are possible. But often such changes can cost too much time and money.
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