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1. 发明授权

US07653700B1 System and method for performing client-centric load balancing of multiple globally-dispersed servers 有权
标题翻译：用于以多个全局分散式服务器执行以客户为中心的负载平衡的系统和方法
公开(公告)号：US07653700B1
公开(公告)日：2010-01-26
申请号：US09714406
申请日：2000-11-16
申请人： Pradeep Bahl , Feng Sun , Bernard D. Aboda , Arnold S. Miller
发明人： Pradeep Bahl , Feng Sun , Bernard D. Aboda , Arnold S. Miller
IPC分类号： G06F15/16
CPC分类号： H04L67/1008 , H04L29/12009 , H04L29/12047 , H04L43/00 , H04L43/0852 , H04L43/0882 , H04L61/15 , H04L67/101 , H04L67/1038
摘要： Presented is a system and a method for load balancing multiple globally-dispersed servers based on client-centric performance criteria. The infrastructure of the system includes load balancing domain name servers (DNS-LBs) deployed in close physical proximity to the Internet service providers' points of presence. The DNS-LBs are then able to monitor the performance of the servers from a location close to the clients, which allows the DNS-LBs to select a server that will yield the best performance from that location for the client. A second level of the infrastructure utilizes domain name servers (DNS-Bs) that are deployed on the Internet backbones and regional provides. The authoritative domain name servers (DNS-As) for the servers to be load balanced refer all name queries to these DNS-Bs. The DNS-Bs then refer the queries to one of the DNS-LBs based on a mapping of the DNS-ISP address to its physically proximate DNS-LB. The DNS-LB then returns the IP address of the server that will provide the best performance from that location.
摘要翻译：提出了一种基于以客户为中心的性能标准来负载平衡多个全局分散服务器的系统和方法。系统的基础设施包括负载平衡域名服务器（DNS-LB），部署在与Internet服务提供商的存在点紧密的物理接近处。然后，DNS-LB能够从靠近客户端的位置监控服务器的性能，从而允许DNS-LB选择将为客户端从该位置获得最佳性能的服务器。基础架构的第二级使用部署在互联网主干和区域提供的域名服务器（DNS-B）。要负载平衡的服务器的权威域名服务器（DNS-As）将所有名称查询引用到这些DNS-B。然后，DNS-B根据DNS-ISP地址与其物理上接近的DNS-LB的映射关系，将查询引用到DNS-LB之一。然后，DNS-LB返回将从该位置提供最佳性能的服务器的IP地址。

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