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1. 发明公开

EP1530854A2 PACKET PROCESSING ENGINE 失效
标题翻译： PAKETVERARBEITUNGSGERÄT
公开(公告)号：EP1530854A2
公开(公告)日：2005-05-18
申请号：EP03792975.9
申请日：2003-07-19
申请人： Cisco Technology, Inc.
发明人： SUKONIK, Vitaly , LAOR, Michael , GALLES, Michael, B. , VOLOSHIN, Moshe , EATHERTON, William, N. , ZEMACH, Rami , BETTINK, John, H., W.
IPC分类号： H04L12/56
CPC分类号： H04L49/3072 , H04L45/00 , H04L45/58 , H04L45/60 , H04L49/103 , H04L69/22
摘要： Methods and apparatus are disclosed for processing packets, for example, using a high performance massively parallel packet processing architecture, distributing packets or subsets thereof to individual packet processors and gathering the processed packet or subsets and forwarding the resultant modified or otherwise processed packets, accessing packet processing resources across a shared resource network, accessing packet processing resources using direct memory access techniques, and/or storing one overlapping portion of a packet in a global packet memory while providing a second overlapping portion to a packet processor. In one implementation, a packet of multiple streams of packets is received. A subset of bytes of the packet are distributed to the next packet processor determined based on a distribution pattern. The subset of the packet is processed to generate a modified subset, which is gathered in turn based on the distribution pattern; and a modified packet including the modified subset is forwarded.
摘要翻译：公开了用于处理分组的方法和装置，例如使用高性能大规模并行分组处理架构，将分组或其子集分配到各个分组处理器并收集处理的分组或子集，并转发所生成的经修改或另外处理的分组，访问分组通过共享资源网络处理资源，使用直接存储器访问技术访问分组处理资源，和/或将分组的一个重叠部分存储在全局分组存储器中，同时向分组处理器提供第二重叠部分。在一个实现中，接收多个分组流的分组。分组的字节的子集被分配到基于分布模式确定的下一个分组处理器。处理分组的子集以生成修改的子集，其依据分布模式轮流收集; 并且转发包括修改的子集的经修改的分组。

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