this paper applies ldap to email user authentication and management, which improve the efficiency and security of the email system . with linux virtual server, this paper implements load balance based on layer-4 switch, and puts forward a new request dispatching algorithm and its implementation 应用linux虚拟服务器实现了基于第四层交换的邮件系统的负载均衡,在此基础上,提出并实现了最大稳定剩余连接优先的请求分配算法,并且进行了性能分析。
it expounded the research direction of server cluster and e-mail system . the second chapter discussed linux cluster architecture, it analyses ip load balancing technology and schedule algorithm of linux virtual server cluster and presents dynamic-feedback load with balancing scheduling algorithm 第二部分为linux集群的体系结构,详细论述了linux虚拟服务器的集群的ip的负载均衡技术和负载联接调度的算法,以及新提出的动态反馈负载调度算法的设计与实现。
this paper, based on analyzing the architecture of linux virtual server cluster, presented a solution of double load balancer based on nat for e-mail system; based on analyzing scheduling algorithms and the short of linux virtual server cluster, presented a dynamic-feedback load with balancing scheduling algorithm and its implementation . there are five chapters in this paper . the first chapter is the background materials of the research 本文在对linux虚拟服务器集群体系结构的深入分析和研究的基础上,针对电子邮件系统提出采用nat方式的双负载均衡服务器的集群邮件系统的解决方案;在全面分析linux虚拟服务器集群连接调度算法的基础上,针对linux虚拟服务器集群本身对实际服务器的监测功能的不足,提出动态反馈负载均衡连接调度算法并加以实现。
this paper, based on analyzing the architecture of linux virtual server cluster, presented a solution of double load balancer based on nat for e-mail system; based on analyzing scheduling algorithms and the short of linux virtual server cluster, presented a dynamic-feedback load with balancing scheduling algorithm and its implementation . there are five chapters in this paper . the first chapter is the background materials of the research 本文在对linux虚拟服务器集群体系结构的深入分析和研究的基础上,针对电子邮件系统提出采用nat方式的双负载均衡服务器的集群邮件系统的解决方案;在全面分析linux虚拟服务器集群连接调度算法的基础上,针对linux虚拟服务器集群本身对实际服务器的监测功能的不足,提出动态反馈负载均衡连接调度算法并加以实现。
in order to reduce the price and resolve the bottle-neck of hardware-director, we have studied how to implement the software-director to build the virtual server system in kylin operation system . we can provide high-performance, highly scalable and highly available network services on the platform of the virtual server . firstly, we analyze the performance of the virtual server system in the world; we study the architecture of linux virtual server system and we present the principle, the implementation techniques of the director in linux virtual server system 为了解决由硬件调度器构建的虚拟服务器系统成本过高和性能瓶颈问题,本文探讨了如何通过软件方法构建高性能、高可伸缩、高可用的虚拟服务器系统,以满足大型的网络服务需求的问题,论文首先分析了国际上流行的虚拟服务器系统的优缺点;剖析了linux虚拟服务器系统的体系结构;介绍了ipvs调度器的工作原理和实现的关键技术。