除了管理HTTP交互，大多数Web应用在事务管理、安全和持久化领域有相当大的需求。
Besides managing HTTP interactions, most web applications have significant requirements in the areas of transaction management, security and persistence.
这些系统契约定义资源适配器为事务管理、连接管理和安全提供的服务质量(图1)。
These system contracts define the qualities of service that a resource adapter provides for transaction management, connection management, and security (Figure 1).
因此，除了性能监控截取程序之外，该文件还包含了关于事务管理、安全性和持久性这样的指令。
So, in addition to the performance-monitoring interceptors, this file also contains directives regarding aspects such as transaction management, security, and persistence.
EJB组件之所以流行，这是因为它对事务管理和安全性的隐性支持。
EJB components are popular because of the implicit support for transaction management and security.
在受管模式下，应用程序服务器与资源适配器建立接口，从而管理诸如连接池、事务管理、跟踪和安全性之类的服务质量特性。
Under managed mode, the application server interfaces with resource adapters to manage quality of service features such as connection pooling, transaction management, tracing, and security.
EJB服务器提供一些基本服务，比如对象分发、命名、安全性、持久性、事务管理和并发性。
The EJB server provides primary services such as object distribution, naming, security, persistence, transaction management, and concurrency.
同样地，OODBMS供应商也试图实现诸如事务管理和安全性之类的核心功能。这些功能与各种RDBMS的相应功能类似，并且具有类似的选项范围。
Also, OODBMS vendors tend to implement core features like transaction management and security similarly to how they're handled by various RDBMSs, with a similarly wide range of options.
系统服务（例如日志、事务管理和安全性）经常发现自己跑到了别的组件的领域里，而这些组件的核心职责是其他事情。
System services such as logging, transaction management, and security frequently find their way into components whose core responsibility is something else.
相对于Web服务器，它提供了更为复杂和强大的功能，例如会话管理、负载平衡、消息传递、事务管理、安全，等等。
It provides more complex and powerful functions than a Web server does, such as session management, load balancing, messaging, transaction management, security, etc.
相对于Web服务器，它提供了更为复杂和强大的功能，例如会话管理、负载平衡、消息传递、事务管理、安全，等等。
It provides more complex and powerful functions than a Web server does, such as session management, load balancing, messaging, transaction management, security, etc.
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