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公开(公告)号：US20110082947A1
公开(公告)日：2011-04-07
申请号：US12723615
申请日：2010-03-12
IPC分类号： G06F15/16
CPC分类号： H04L67/1036 , H04L63/0218 , H04L67/1002 , H04L67/32
摘要： Each service in a computer network may have a connection rate limit. The number of new connections per time period may be limited by using a series of rules. In a specific embodiment of the present invention, a counter is increased each time a server is selected to handle a connection request. For each service, connections coming in are tracked. Therefore, the source of connection-request packets need not be examined. Only the destination service is important. This saves significant time in the examination of the incoming requests. Each service may have its own set of rules to best handle the new traffic for its particular situation.
摘要翻译： 计算机网络中的每个服务可能具有连接速率限制。 每个时间段的新连接数可以通过使用一系列规则来限制。 在本发明的具体实施例中，每当选择服务器来处理连接请求时，增加计数器。 对于每个服务，跟踪进入的连接。 因此，不需要检查连接请求数据包的来源。 只有目的地服务很重要。 这样可以节省大量时间来检查传入的请求。 每个服务可能有自己的一套规则，以便为特定情况最好地处理新的流量。
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2.发明申请CONNECTION RATE LIMITING FOR SERVER LOAD BALANCING AND TRANSPARENT CACHE SWITCHING 有权用于服务器负载平衡和透明缓存开关的连接速率限制公开(公告)号：US20100235507A1
公开(公告)日：2010-09-16
申请号：US12785423
申请日：2010-05-21
IPC分类号： G06F15/16
CPC分类号： H04L67/1002 , H04L63/0218 , H04L63/1458 , H04L67/1031 , H04L67/1036 , H04L67/2842
摘要： Each service in a computer network may have a connection rate limit. The number of new connections per time period may be limited by using a series of rules. In a specific embodiment of the present invention, a counter is increased each time a server is selected to handle a connection request. For each service, connections coming in are tracked. Therefore, the source of connection-request packets need not be examined. Only the destination service is important. This saves significant time in the examination of the incoming requests. Each service may have its own set of rules to best handle the new traffic for its particular situation. For server load balancing, a reset may be sent to the source address of the new connection request. For transparent cache switching, the connection request may be forwarded to the Internet.
摘要翻译： 计算机网络中的每个服务可能具有连接速率限制。 每个时间段的新连接数可以通过使用一系列规则来限制。 在本发明的具体实施例中，每当选择服务器来处理连接请求时，增加计数器。 对于每个服务，跟踪进入的连接。 因此，不需要检查连接请求数据包的来源。 只有目的地服务很重要。 这样可以节省大量时间来检查传入的请求。 每个服务可能有自己的一套规则，以便为特定情况最好地处理新的流量。 对于服务器负载平衡，可以将重置发送到新连接请求的源地址。 对于透明缓存切换，连接请求可以被转发到因特网。
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公开(公告)号：US07581009B1
公开(公告)日：2009-08-25
申请号：US11741480
申请日：2007-04-27
IPC分类号： G06F15/173
CPC分类号： H04L67/1002 , H04L67/1008 , H04L67/1012 , H04L67/1021
摘要： A global server load balancing (GSLB) switch serves as a proxy to an authoritative DNS communicates with numerous site switches which are coupled to host servers serving specific applications. The GSLB switch receives from site switches operational information regarding host servers within the site switches neighborhood. When a client program requests a resolution of a host name, the GSLB switch, acting as a proxy of an authoritative DNS, returns one or more ordered IP addresses for the host name. The IP addresses are ordered using metrics that include the information collected from the site switches. In one instance, the GSLB switch places the address that is deemed “best” at the top of the list.
摘要翻译： 全局服务器负载平衡（GSLB）交换机用作授权DNS的代理，与许多站点交换机进行通信，这些站点交换机与服务于特定应用程序的主机服务器相连接。 GSLB交换机从站点交换机接收关于站点交换机附近的主机服务器的操作信息。 当客户端程序请求解析主机名时，作为权威DNS的代理的GSLB交换机返回主机名的一个或多个有序IP地址。 IP地址使用包含从站点交换机收集的信息的度量来排序。 在一个实例中，GSLB开关将地址视为“最佳”位于列表的顶部。
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公开(公告)号：US07454500B1
公开(公告)日：2008-11-18
申请号：US09670487
申请日：2000-09-26
IPC分类号： G06F15/173
CPC分类号： H04L67/1002 , H04L67/1008 , H04L67/1012 , H04L67/1021
摘要： A global server load balancing (GSLB) switch serves as a proxy to an authoritative DNS communicates with numerous site switches which are coupled to host servers serving specific applications. The GSLB switch receives from site switches operational information regarding host servers within the site switches neighborhood. When a client program requests a resolution of a host name, the GSLB switch, acting as a proxy of an authoritative DNS, returns one or more ordered IP addresses for the host name. The IP addresses are ordered using metrics that include the information collected from the site switches. In one instance, the GSLB switch places the address that is deemed “best” at the top of the list.
摘要翻译： 全局服务器负载平衡（GSLB）交换机用作授权DNS的代理，与许多站点交换机进行通信，这些站点交换机与服务于特定应用程序的主机服务器相连接。 GSLB交换机从站点交换机接收关于站点交换机附近的主机服务器的操作信息。 当客户端程序请求解析主机名时，作为权威DNS的代理的GSLB交换机返回主机名的一个或多个有序IP地址。 IP地址使用包含从站点交换机收集的信息的度量来排序。 在一个实例中，GSLB开关将地址视为“最佳”位于列表的顶部。
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公开(公告)号：US08819252B1
公开(公告)日：2014-08-26
申请号：US10139095
申请日：2002-05-03
IPC分类号： G06F15/16
CPC分类号： H04L63/1458 , H04L63/108 , H04L67/1008
摘要： Transaction rate limiting is provided to monitor new connections. If the number of new connections requested by a particular client exceeds a predetermined threshold value, then the client may be frozen out for a configured period of time. By denying access for the configured period of time, the client is prevented from monopolizing a particular client. Additionally, if the client does have malicious intent, a denial of service attack may be thwarted. The denial of service may be accomplished without alerting the client. This prevents a malicious client from regrouping and attempting an assault via a different mechanism.
摘要翻译： 提供事务速率限制来监视新的连接。 如果特定客户端请求的新连接的数量超过预定阈值，则客户端可以在已配置的时间段内被冻结。 通过在配置的时间段内拒绝访问，客户端被阻止垄断特定客户端。 另外，如果客户端确实有恶意的意图，则拒绝服务攻击可能会被阻止。 拒绝服务可以在不告知客户的情况下完成。 这样可以防止恶意客户端通过不同的机制重新组合和尝试攻击。
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公开(公告)号：US09130954B2
公开(公告)日：2015-09-08
申请号：US10305823
申请日：2002-11-27
IPC分类号： H04L29/08
CPC分类号： H04L67/1008 , H04L67/1002 , H04L67/1012 , H04L67/1021
摘要： A global server load-balancing (GSLB) switch serves as a proxy to an authoritative DNS and communicates with numerous site switches that are coupled to host servers serving specific applications. The GSLB switch receives from site switches operational information regarding host servers within the site switches neighborhood. This operational information includes health check information that is remotely obtained in a distributed manner from remote metric agents at the site switches. When a client program requests a resolution of a host name, the GSLB switch, acting as a proxy of an authoritative DNS, returns one or more ordered IP addresses for the host name. The IP addresses are ordered using metrics, including the health check metric that evaluates these IP addresses based on the health check information communicated to the GSLB switch in a distributed manner by the distributed health check site switches. In one instance, the GSLB switch places the address that is deemed “best” at the top of the list.
摘要翻译： 全局服务器负载平衡（GSLB）交换机用作授权DNS的代理，并与多个站点交换机进行通信，这些站点交换机与服务于特定应用程序的主机服务器相连。 GSLB交换机从站点交换机接收关于站点交换机附近的主机服务器的操作信息。 该操作信息包括以现场交换机的远程度量代理以分布式方式远程获取的健康检查信息。 当客户端程序请求解析主机名时，作为权威DNS的代理的GSLB交换机返回主机名的一个或多个有序IP地址。 IP地址使用度量进行排序，包括基于通过分布式健康检查站点交换机以分布式方式传送到GSLB交换机的运行状况检查信息来评估这些IP地址的健康检查指标。 在一个实例中，GSLB开关将地址视为“最佳”位于列表的顶部。
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7.发明授权Connection rate limiting for server load balancing and transparent cache switching 有权服务器负载平衡和透明缓存切换的连接速率限制公开(公告)号：US08572228B2
公开(公告)日：2013-10-29
申请号：US12785423
申请日：2010-05-21
IPC分类号： G06F15/173
CPC分类号： H04L67/1002 , H04L63/0218 , H04L63/1458 , H04L67/1031 , H04L67/1036 , H04L67/2842
摘要： Each service in a computer network may have a connection rate limit. The number of new connections per time period may be limited by using a series of rules. In a specific embodiment of the present invention, a counter is increased each time a server is selected to handle a connection request. For each service, connections coming in are tracked. Therefore, the source of connection-request packets need not be examined. Only the destination service is important. This saves significant time in the examination of the incoming requests. Each service may have its own set of rules to best handle the new traffic for its particular situation. For server load balancing, a reset may be sent to the source address of the new connection request. For transparent cache switching, the connection request may be forwarded to the Internet.
摘要翻译： 计算机网络中的每个服务可能具有连接速率限制。 每个时间段的新连接数可以通过使用一系列规则来限制。 在本发明的具体实施例中，每当选择服务器来处理连接请求时，增加计数器。 对于每个服务，跟踪进入的连接。 因此，不需要检查连接请求数据包的来源。 只有目的地服务很重要。 这样可以节省大量时间来检查传入的请求。 每个服务可能有自己的一套规则，以便为特定情况最好地处理新的流量。 对于服务器负载平衡，可以将重置发送到新连接请求的源地址。 对于透明缓存切换，连接请求可以被转发到因特网。
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公开(公告)号：US08024441B2
公开(公告)日：2011-09-20
申请号：US11707697
申请日：2007-02-16
IPC分类号： G06F15/173
CPC分类号： H04L67/1002 , H04L67/1008 , H04L67/1012 , H04L67/1021
摘要： A global server load-balancing (GSLB) switch serves as a proxy to an authoritative DNS and communicates with numerous site switches that are coupled to host servers serving specific applications. The GSLB switch receives from site switches operational information regarding host servers within the site switches neighborhood. When a client program requests a resolution of a host name, the GSLB switch, acting as a proxy of an authoritative DNS, returns one or more ordered IP addresses for the host name. The IP addresses are ordered using metrics that include the information collected from the site switches. In one instance, the GSLB switch places the address that is deemed “best” at the top of the list.
摘要翻译： 全局服务器负载平衡（GSLB）交换机用作授权DNS的代理，并与多个站点交换机进行通信，这些站点交换机与服务于特定应用程序的主机服务器相连。 GSLB交换机从站点交换机接收关于站点交换机附近的主机服务器的操作信息。 当客户端程序请求解析主机名时，作为权威DNS的代理的GSLB交换机返回主机名的一个或多个有序IP地址。 IP地址使用包含从站点交换机收集的信息的度量来排序。 在一个实例中，GSLB开关将地址视为“最佳”位于列表的顶部。
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公开(公告)号：US20100121932A1
公开(公告)日：2010-05-13
申请号：US10305823
申请日：2002-11-27
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L67/1008 , H04L67/1002 , H04L67/1012 , H04L67/1021
摘要： A global server load-balancing (GSLB) switch serves as a proxy to an authoritative DNS and communicates with numerous site switches that are coupled to host servers serving specific applications. The GSLB switch receives from site switches operational information regarding host servers within the site switches neighborhood. This operational information includes health check information that is remotely obtained in a distributed manner from remote metric agents at the site switches. When a client program requests a resolution of a host name, the GSLB switch, acting as a proxy of an authoritative DNS, returns one or more ordered IP addresses for the host name. The IP addresses are ordered using metrics, including the health check metric that evaluates these IP addresses based on the health check information communicated to the GSLB switch in a distributed manner by the distributed health check site switches. In one instance, the GSLB switch places the address that is deemed “best” at the top of the list.
摘要翻译： 全局服务器负载平衡（GSLB）交换机用作授权DNS的代理，并与多个站点交换机进行通信，这些站点交换机与服务于特定应用程序的主机服务器相连。 GSLB交换机从站点交换机接收关于站点交换机附近的主机服务器的操作信息。 该操作信息包括以现场交换机的远程度量代理以分布式方式远程获取的健康检查信息。 当客户端程序请求解析主机名时，作为权威DNS的代理的GSLB交换机返回主机名的一个或多个有序IP地址。 IP地址使用度量进行排序，包括基于通过分布式健康检查站点交换机以分布式方式传送到GSLB交换机的运行状况检查信息来评估这些IP地址的健康检查指标。 在一个实例中，GSLB开关将地址视为“最佳”位于列表的顶部。
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公开(公告)号：US07254626B1
公开(公告)日：2007-08-07
申请号：US10206580
申请日：2002-07-25
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L67/1002 , H04L67/1008 , H04L67/1012 , H04L67/1021
摘要： A global server load-balancing (GSLB) switch serves as a proxy to an authoritative DNS and communicates with numerous site switches that are coupled to host servers serving specific applications. The GSLB switch receives from site switches operational information regarding host servers within the site switches neighborhood. When a client program requests a resolution of a host name, the GSLB switch, acting as a proxy of an authoritative DNS, returns one or more ordered IP addresses for the host name. The IP addresses are ordered using metrics that include the information collected from the site switches. In one instance, the GSLB switch places the address that is deemed “best” at the top of the list.
摘要翻译： 全局服务器负载平衡（GSLB）交换机用作授权DNS的代理，并与多个站点交换机进行通信，这些站点交换机与服务于特定应用程序的主机服务器相连。 GSLB交换机从站点交换机接收关于站点交换机附近的主机服务器的操作信息。 当客户端程序请求解析主机名时，作为权威DNS的代理的GSLB交换机返回主机名的一个或多个有序IP地址。 IP地址使用包含从站点交换机收集的信息的度量来排序。 在一个实例中，GSLB开关将地址视为“最佳”位于列表的顶部。
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