在本文中，我演示了AIXIP过滤功能，这是一项内置的而且很有用的功能，可让系统管理员在服务器中实现额外的安全层。
In this article I have presented the AIX IP filtering capabilities, a useful built-in feature that will allow system administrators to implement an extra layer of security in their servers.
虚拟机管理程序(hypervisor)是一个较薄的虚拟化软件层，它抽象化来自服务器平台的操作系统和应用程序。
The hypervisor is a thin layer of virtualization software that abstracts the operating system and applications from the server platform.
系统层包括统一用户管理、统一资源管理和统一作业管理三部分，为应用层提供服务保障。
System layer includes single user management, single resource management and single job management system, and it can offer the service for application layer.
一个应用框架向应用层显示所有系统服务，包括窗口管理和位置管理，内容提供，电话和传感器。
An application framework that agnostically exposes system services to the application layer, including the window manager and location manager, content providers, telephony, and sensors.
并且从作业流的观点，提出了作业管理系统服务器的三层体系模型。
And from the view of JobFlow, three-layer architecture model of Job Management System Server was provided.
在介绍EPA网络体系结构的基础上，详细地描述了《EPA标准》的核心部分：应用层服务和管理层服务，并介绍了基于《EPA标准》的演示系统，从而验证了《EPA标准》的可行性与正确性。
The application layer and management layer, the core of EPA profile, are described detailedly after the architecture of EPA network is introduced and EPA profile is proved out by the demo system.
服务层是由数据库管理系统来实现。
The data Service is realized by database administration system.
服务层是由数据库管理系统来实现。
The data Service is realized by database administration system.
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