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1. 发明授权

US5983281A Load balancing in a multiple network environment 失效
标题翻译：在多网络环境中进行负载平衡
公开(公告)号：US5983281A
公开(公告)日：1999-11-09
申请号：US847416
申请日：1997-04-24
申请人： David Mark Ogle , Carolyn Haibt Norton , Karen Marie Tracey , Barton Clark Vashaw
发明人： David Mark Ogle , Carolyn Haibt Norton , Karen Marie Tracey , Barton Clark Vashaw
IPC分类号： H04L29/06 , H04L29/08 , H04L12/46
CPC分类号： H04L67/1036 , H04L67/1002 , H04L67/1014
摘要： Methods, systems and computer program products are provided which dynamically balance the load between gateways which provide access between a first computer network and a second computer network. This load balancing includes receiving at a gateway a communication to be transmitted to a second computer network from a source device on the first computer network. The gateway determines, preferably based on an address contained in the communication, through which of the gateways the communication is to be transmitted and then either transmits the communication to the second network or over the first network to the determined gateway. A redirect message may then be sent to the source device to direct subsequent messages to the proper gateway. The gateway determination may be made by dividing a resource identifier into subgroups, summing the subgroups and then dividing the sum by the number of parallel gateways. The remainder may then be used as a gateway identifier.
摘要翻译：提供了方法，系统和计算机程序产品，其动态地平衡在第一计算机网络和第二计算机网络之间提供访问的网关之间的负载。该负载平衡包括在网关处从第一计算机网络上的源设备接收要发送到第二计算机网络的通信。网关优选地基于通信中包含的地址来确定要通过哪个网关发送通信，然后将通信发送到第二网络或通过第一网络发送到所确定的网关。然后可以将重定向消息发送到源设备以将后续消息引导到适当的网关。可以通过将资源标识符划分为子组，对子组进行求和，然后将和除以并行网关的数量来进行网关确定。其余的可以用作网关标识符。

2. 发明授权

US6052736A Adaptive message routing in a multiple network environment with a master router 失效
标题翻译：在具有主路由器的多网络环境中的自适应消息路由
公开(公告)号：US6052736A
公开(公告)日：2000-04-18
申请号：US828686
申请日：1997-03-31
申请人： David Mark Ogle , Karen Marie Tracey , Barton Clark Vashaw
发明人： David Mark Ogle , Karen Marie Tracey , Barton Clark Vashaw
IPC分类号： H04L12/56 , G06F15/16 , G06F15/173
CPC分类号： H04L45/02
摘要： Methods, systems and computer program products are provided which route messages from a source device on a first network to a destination device on a second network through a first routing device where the first routing device transmits a message to a master routing device. The first routing device receives a routing address from the master routing device responsive to the transmitted message. The routing address specifies an address of a device to which subsequent communications to the destination device are routed. The first routing device stores the received routing address in a list of addresses so as to associate the stored routing address with an address of the destination device of the message. The first routing device may also determine a routing address for a second message from the stored list of routing addresses based upon a destination address of the second message and transmit the second message to the determined routing address. The routing table of the routing device may be updated without requiring modification of TCP/IP messages.
摘要翻译：提供了方法，系统和计算机程序产品，其通过第一路由设备将消息从第一网络上的源设备路由到第二网络上的目的地设备，其中第一路由设备向主路由设备发送消息。第一路由设备响应于所发送的消息从主路由设备接收路由地址。路由地址指定到目的地设备的后续通信路由到的设备的地址。第一路由设备将接收到的路由地址存储在地址列表中，以将存储的路由地址与消息的目的地设备的地址相关联。第一路由设备还可以基于第二消息的目的地地址从存储的路由地址列表中确定第二消息的路由地址，并将第二消息发送到确定的路由地址。可以更新路由设备的路由表，而不需要修改TCP / IP消息。

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