Although using RAD during the assembly phase is a fairly common practice, many IT businesses are very specialized with only legacy systems.
尽管在组装阶段使用RAD是一种很常见的做法，但很多IT企业仅在使用遗留系统方面非常专业。
Another trend is to integrate with legacy systems.
另一个趋势是集成旧系统。
Understanding technical limitations of legacy systems.
了解遗留系统的技术限制。
The approaches it USES are tailored to use legacy systems.
其使用的方法经过定制，适合使用遗留系统。
Identify which legacy systems you should incorporate into an soa.
确定应该将哪些遗留系统包括到SOA中来。
An enterprise cannot afford any disruption in these legacy systems.
企业无法承受这些遗留系统发生任何中断。
As middleware, MOMs can connect legacy systems as well as newer ones.
作为中间件，MOMs可以连接旧有系统以及新系统。
Participants stand for users, groups of users, services, legacy systems, etc.
参与者可以是用户，用户组，服务以及遗留系统等。
Use SOAP or EAI capability directly provided by legacy systems or applications.
使用遗留系统或应用程序直接提供的SOAP 或EAI功能。
You have these big iron legacy systems that have to be joined with web systems.
这些大型的传统系统必须与网络系统相结合。
What mechanisms have been adopted for the integration of new and legacy systems?
为新系统和遗留系统的集成采用了什么机制？
A customer had several lines of businesses that required access to legacy systems.
一个客户有多条需要访问遗留系统的业务线。
Some organizations work to harness various legacy systems in end-to-end processes.
一些组织在端到端流程中利用各种遗留系统。
Must work within existing architecture (i.e., must interact with legacy systems).
必需在已有架构下进行工作（例如，必需与遗留系统进行结合）。
Second, if the data sources are legacy systems, you might have to use adapters or JCA.
第二种选择，如果数据源是遗留系统，可能就必须使用适配器或JCA。
Perl is known for its wealth of options for connecting to all types of legacy systems.
Perl因其在与各种类型的旧有系统的连接中拥有丰富的选项而闻名。
Migration of legacy systems (like DCE) and transferring authentication data to IBM NAS.
迁移遗留系统(比如dce)并将身份验证数据传递给IBMNAS。
Message Broker provides support to wrap existing legacy systems with new Web service interfaces.
MessageBroker提供了使用新服务接口包装现有遗留系统的支持。
The example in Figure 1 shows that three legacy systems have been engineered to be service providers.
图1中的示例显示了三个再工程为服务提供者的遗留系统。
It supports interactions between newer systems and legacy systems which support only batch interfaces.
它支持较新的系统和仅支持批处理接口的遗留系统之间的交互。
This might be an application server layer hosting adaptors integrated with application or legacy systems.
这可能是托管了与应用程序或遗留系统集成的适配器的应用服务器层。
Have security requirements like access control and data privacy been met in both existing and legacy systems?
访问控制和数据隐私等安全要求在现有和遗留系统中都得到满足了吗？
Certain features of legacy systems are often not a natural fit with the real-time nature of SOA-based applications.
遗留系统的某些功能通常并不能适应基于SOA的应用程序中的实时特性。
Almost all companies are facing the problematic of having to manage, maintain or even replace their legacy systems.
几乎所有公司都正面临着这样的问题，他们不得不管理、维护甚至替换现存的遗留系统。
Derived from disparate IT resources (e.g. legacy systems, custom applications, ISV systems, third party services).
从不同的IT资源派生(例如，遗留系统、自定义应用程序、ISV系统和第三方服务)。
The problem here is that connecting those back-end and legacy systems to the Internet directly isn't good practice.
此处的问题是，将这些后端遗留系统直接连接到Internet并不是一个很好的做法。
Therefore, any strategy to bring in value without incorporating the legacy systems is bound to have limited success.
因此，任何旨在带来价值却没有将遗留系统包含起来的战略，其成功都有一定的限制。
Old projects exist as well (and this is OK) as it allows for developers to also learn how to maintain legacy systems.
老项目的存在(这个也很有帮助)，因为它可以让程序员学会如何维护遗留系统。
For example, imagine a consolidation project where several legacy systems are being migrated to a single environment.
例如，设想一个合并项目，其中几个遗留系统被迁移到一个环境中。
It means that operators can continue to support their legacy systems while they migrate to new high-speed networks.
这意味着运营商在向新的高速网络演进的同时还能继续对传统网络提供支持。
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