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    • 4. 发明申请
    • Virtual clustering and load balancing servers
    • 虚拟集群和负载平衡服务器
    • US20050160133A1
    • 2005-07-21
    • US10758538
    • 2004-01-16
    • Gordan GreenleeDennis HartelJoseph RiinaRichard Weingarten
    • Gordan GreenleeDennis HartelJoseph RiinaRichard Weingarten
    • G06F9/46G06F9/50G06F15/16H04L29/08H04L29/12
    • H04L61/1523G06F9/505G06F9/5077H04L67/1002H04L67/1006H04L67/1008H04L67/101H04L67/1012H04L67/1023H04L67/1029
    • A method and system is provided intelligent network dispatchers that are capable of routing requests to one or more servers (e.g., LDAP servers) based on the requested application or the identity of the requester. The servers may be grouped into virtual clusters so that a particular cluster may service requests associated with a particular application or based on a type of customer (e.g., preferred or general customer) in order to grade levels of service. Also, a system resource monitor may provide continual monitoring of servers in virtual clusters to determine when one or more servers are overburdened or under burdened based on statistical performance data. As a servers performance changes, the system resource monitor may advise the intelligent network dispatcher causing a change in the rate of requests to the overburdened/under burdened server. The server may be temporarily removed from the virtual cluster until performance levels normalize. Further, servers may be re-assigned to other virtual clusters on demand to provide increased capacity to a virtual cluster.
    • 提供了一种方法和系统,其能够基于所请求的应用或请求者的身份将请求路由到一个或多个服务器(例如,LDAP服务器)的智能网络调度器。 服务器可以被分组成虚拟集群,使得特定集群可以服务与特定应用相关联的请求或者基于客户类型(例如,优选的或一般的客户)来服务等级级别。 此外,系统资源监视器可以提供对虚拟集群中的服务器的连续监视,以基于统计性能数据来确定何时一个或多个服务器负担过重或负担不重。 随着服务器性能的变化,系统资源监视器可能会建议智能网络调度员将请求的速率更改为负担过重/负担不重的服务器。 服务器可能会暂时从虚拟群集中删除,直到性能级别正常化。 此外,服务器可以根据需要重新分配给其他虚拟集群,以向虚拟集群提供增加的容量。