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1. 发明授权

US06928482B1 Method and apparatus for scalable process flow load balancing of a multiplicity of parallel packet processors in a digital communication network 失效
标题翻译：用于数字通信网络中多个并行分组处理器的可缩放过程流负载平衡的方法和装置
公开(公告)号：US06928482B1
公开(公告)日：2005-08-09
申请号：US09606214
申请日：2000-06-29
申请人： Michael Ben Nun , Sagi Ravid , Itzhak Barak , Ofer Weill
发明人： Michael Ben Nun , Sagi Ravid , Itzhak Barak , Ofer Weill
IPC分类号： G06F15/16 , H04L29/06 , H04L29/08
CPC分类号： H04L67/1008 , H04L67/1002 , H04L67/1012 , H04L67/1019
摘要： An apparatus for distributing processing loads in a service aware network is provided. The apparatus contains a controller and a plurality of packet processors coupled to the controller. The controller receives a first data packet and determines whether or not any of the packet processors have been previously selected to process the first data packet based on a classification of the first data packet. When none of the packet processors has been previously designated to process the first data packet, the controller selects a first selected processor of the packet processors to process the first data packet. The first selected processor is selected based on processing load values respectively corresponding to processing loads of the packet processors. In addition, a method performed by the apparatus and a software program for controlling the controller are also provided.
摘要翻译：提供一种用于在服务感知网络中分发处理负载的装置。该装置包含耦合到控制器的控制器和多个分组处理器。控制器接收第一数据分组，并且基于第一数据分组的分类来确定是否先前已经选择了任何分组处理器来处理第一数据分组。当先前没有指定分组处理器来处理第一数据分组时，控制器选择分组处理器的第一选定处理器来处理第一数据分组。第一选择的处理器是基于分别对应于分组处理器的处理负载的处理负载值来选择的。此外，还提供了由该装置执行的方法和用于控制控制器的软件程序。

2. 发明授权

US06831893B1 Apparatus and method for wire-speed classification and pre-processing of data packets in a full duplex network 有权
标题翻译：全双工网络数据包线速分类和预处理的装置和方法
公开(公告)号：US06831893B1
公开(公告)日：2004-12-14
申请号：US09541598
申请日：2000-04-03
申请人： Michael Ben Nun , Sagi Ravid , Ofer Weil
发明人： Michael Ben Nun , Sagi Ravid , Ofer Weil
IPC分类号： G08C1500
CPC分类号： H04L45/583 , H04L29/06 , H04L69/22
摘要： A network interface that processes data packets transmitted on a network is provided. The network interface includes a first data path, a second data path, a header processor, a classifier unit, and a plurality of packet processors. The first data path unit inputs downstream data packets transmitted downstream on the network, and the second data path unit inputs upstream data packets transmitted upstream on the network. The header processor inputs data packet headers of the downstream and upstream data packets from the first and second data path units and classifies the downstream and upstream data packets by comparing the headers with predetermined rules. The classifier unit also inputs the data packet headers from the first and second data path units and evaluates the headers determine flows corresponding to the downstream and upstream data packets. The classifier unit selects a first packet processor to process both the downstream and upstream data packets corresponding to a first flow and instructs the first and second data path units to output the data packets, which correspond to the first flow, to the first packet processor. Similarly, the classifier unit selects a second packet processor to process both the downstream and upstream data packets corresponding to a second flow and instructs the first and second data path units to output the data packets, which correspond to the second flow, to the second packet processor. The classifier is further capable of balancing loads between the packet processors based on the effective load on each such packet processor.
摘要翻译：提供了处理在网络上发送的数据分组的网络接口。网络接口包括第一数据路径，第二数据路径，报头处理器，分类单元和多个分组处理器。第一数据路径单元输入在网络上向下游发送的下行数据分组，第二数据路径单元输入在网络上向上游发送的上行数据分组。标题处理器输入来自第一和第二数据路径单元的下游和上游数据分组的数据分组报头，并通过将报头与预定规则进行比较来对下游和上游数据分组进行分类。分类器单元还从第一和第二数据路径单元输入数据分组报头，并且评估报头确定与下游和上游数据分组相对应的流。分类器单元选择第一分组处理器来处理对应于第一流的下游和上游数据分组，并且指示第一和第二数据路径单元将与第一流对应的数据分组输出到第一分组处理器。类似地，分类器单元选择第二分组处理器来处理与第二流对应的下游和上游数据分组，并且指示第一和第二数据路径单元将与第二流对应的数据分组输出到第二分组处理器。分类器还能够基于每个这样的分组处理器上的有效负载平衡分组处理器之间的负载。

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