其次，基于现有的树型，星型或是P2P网状同步拓扑系统的研究基础，提出环状同步拓扑下的同步系统设计。
Secondly, the synchronization based on ringed topology is designed, which is totually different from the present meathod based on the tree, star or P2P model.
于是这个代表这个IT系统或者它的一部分分析状态的拓扑模型，可能就不能表现那个单元的所有性能或者需求(或者甚至是成员)。
Thus the topology model, which represents the analytical state of the it system or its piece, may not be able to express all of the capabilities or requirements (or even the members) of that unit.
拓扑的范围不仅仅局限于描述一个完整的IT系统，或者说是它的主要部分。
The scope of topology is not limited to describing a complete it system, or even a major piece of it.
在所有的软件和系统开发中都存在着通过语言、硬件、网络拓扑、通讯协议和底层架构等选择所带来的重要约束。
In all software and system development there are important constraints implied by the choice of languages, hardware, network topology, communications protocols and infrastructure, and so on.
您可以使用拓扑编辑器，以添加关于虚拟镜像中系统的信息，以规划怎样部署虚拟镜像。
You can use the topology editor to add information about the system in the virtual image and to plan how the virtual image will be deployed.
在所有事务都完成以后，可以在相关事务的基础上提取出拓扑，并且系统管理员可以分析统计信息以确定代价昂贵和有问题的执行路径在何处。
After all transactions finish, a topology can be drawn from the correlating transactions, and the system administrator can analyze the statistics to find out where the costly or troublesome paths are.
一个良好的虚拟化系统本身将尽可能多地了解此拓扑，而无需要求管理员分别定义和维护此信息。
A proper virtualization system will learn as much of this topology as possible on its own without requiring the administrator to define and maintain this information separately.
管理代理拓扑提供使用单个管理服务器远程管理同一计算机系统上的多个基本节点的功能。
The administrative agent topology provides the capability to remotely manage multiple base nodes on the same computer system with a single management server.
按照相同的方式，您都可以使用单独的拓扑表，来将物理系统的具体硬件信息对于程序隐藏起来。
In the same way, you can use separate topology diagrams to hide the details of the physical system from the application.
接下来的部分向您展示了拓扑编辑器中建模虚拟机系统的一些范例。
The following section shows a few examples of virtual systems modeled in the topology editor.
而且，拓扑信息是活动的(即它随着系统的更改而更新)也非常重要。
It is also critical that the topology information is live, that it is updated as the system changes.
管理代理拓扑由位于单个系统上的一个管理代理节点和一个或多个应用程序服务器节点构成(图2)。
The administrative agent topology is built from an administrative agent node and one or more application server nodes on a single system (Figure 2).
您可以利用一个拓扑模型来描述一个IT系统，或者一个IT系统的片段。
You can use a topology model to describe an IT system, or pieces of an IT system.
使用新管理代理拓扑可以在单个计算系统上有效地管理多个基本概要。
The new administrative agent topology enables you to manage multiple base profiles efficiently on a single computing system.
虽然多种拓扑都能够满足这些需求，不过本文将介绍利用磁盘复制系统的拓扑。
While there are multiple topologies that can satisfy those needs, this article describes a topology that utilizes a disk replication system.
当您将虚拟化系统按照某种拓扑结构建模时，您可以添加这些信息，以规划虚拟化环境怎样管理虚拟化系统的。
When you model a virtual system in a topology, you can add this information to plan how the virtualization environment will provision and manage the virtual system.
您可以定义一套拓扑来创建显示在这个IT系统中的单元目录。
You can define a set of topologies to create a catalog of units that are present in the it system.
部署拓扑用于确认硬件和操作系统所需的资源服务。
The deployment topology is required to identify the resources services required for the hardware and operating systems.
广为人知的部署管理器拓扑提供紧密耦合的分布式环境，支持多个系统上的多服务器。
The familiar deployment manager topology provides a tightly coupled distributed environment supporting multiple servers on multiple systems.
一个拓扑表达一个IT系统可能与描述这个系统的组成一样简单。
A topology expressing an IT system may be as simple as describing a component of the system.
对产品系统拓扑结构所做的开发假设不能得到真实系统的支持。
Development's assumptions about the production system's topology are not met by the real system.
因此，支持. NET系统的拓扑单元必须得到创建。
Therefore, the topology units that needed to support modeling a.net system must be created.
在创建DB 28系统，并为系统上的FURNINST DB 2实例创建主机之后，您的拓扑图现在看起来应该如图3所示。
After creating the DB2 8 system and creating the host for the FURNINST DB2 instance on the system, your topology diagram should look like Figure 3.
正如前面介绍的那样，您可以将虚拟化系统导入到其他的拓扑结构之中，并且使用它就像您在使用一个物理系统一样。
As explained previously, you can import the virtualized system into another topology and use it just like you would use a physical system.
软件架构师需要建模数据、功能流和系统交互的工具，以及开发系统拓扑的工具。
Software Architects need tools to enable them to model data, functional flows, and system interactions, and to develop system topologies.
为了让重复使用更加方便，您可以在单独的拓扑图上显示虚拟化系统，这样您就可以将该系统导入到其他的拓扑之中，而不用暴露物理主机的细节了。
For ease of reuse, visualize the virtualized system on a separate diagram so you can import this system into other topologies without exposing the details of the physical host.
在开发的时候，你可以将服务实现与托管服务的拓扑(系统架构师建模的部署拓扑)关联在一起。
At development time, you can associate a service implementation with the topology that hosts it (the deployment topology that the system architect models).
用于ECU拓扑，和将逻辑组件映射为物理组件的系统
Systems for ECU topology, and for mapping logical components onto physical components
简言之，矢量数据利用最简单的拓扑实体—点、线和多边形，并在二维笛卡尔坐标系统中固定它们来描述地理特征。
In short, vector data take the simplest topological entities — points, lines, and polygons — and anchor them within a 2-d Cartesian coordinate system to describe geographical features.
它解释了怎样使用代表MySQL系统的拓扑单元与功能来创建一个定制mysql域。
It explained how to create a custom MySQL domain with topology units and capabilities that represent components of a MySQL system.
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