【2017年整理】七组.ppt

Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 什么是负载均衡 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 负载均衡（又称为负载分担），英文 名称为Load Balance，其意思就是将 负载（工作任务）进行平衡、分摊到 多个操作单元上进行执行，例如Web 服务器、FTP服务器、企业关键应用 服务器和其它关键任务服务器等，从 而共同完成工作任务。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 负载均衡建立在现有网络结构之 上，它提供了一种廉价有效透明 的方法扩展网络设备和服务器的 带宽、增加吞吐量、加强网络数 据处理能力、提高网络的灵活性 和可用性。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 负载均衡有两方面的含义：首先，大量 的并发访问或数据流量分担到多台节点 设备上分别处理，减少用户等待响应的 时间；其次，单个重负载的运算分担到 多台节点设备上做并行处理，每个节点 设备处理结束后，将结果汇总，返回给 用户，系统处理能力得到大幅度提高。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 在VMware中建立两个虚拟计算机，使用的是Windows Server 2003。两台虚拟机器，IP地址一个是01，一个是02。其中01作为主控代理服务器和其中一个节点服务器。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 在两台服务器上就都建立了一个支持集群的服务器实例。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Ev