公开(公告)号：US07046663B1

公开(公告)日：2006-05-16

申请号：US09932490

申请日：2001-08-17

申请人： Leo Temoshenko ,  Hugh Nhan ,  Charles M. Parker ,  Robert L. King ,  Jonathan D. Douglas ,  Nathan A. Mitchell ,  George R. Everhart ,  Douglas W. Currie

发明人： Leo Temoshenko ,  Hugh Nhan ,  Charles M. Parker ,  Robert L. King ,  Jonathan D. Douglas ,  Nathan A. Mitchell ,  George R. Everhart ,  Douglas W. Currie

IPC分类号： H04L12/28 ,  H04M1/24 ,  H04M1/64

CPC分类号： H04L12/2854

摘要： In a pipeline network processor, a packet intercept feature determines whether a packet is to be intercepted based on the inbound and outbound port through which the packet travels and based on the source and destination of the packet. When a packet enters the pipeline network processor, a determination is made as to whether the inbound and outbound ports are enabled for packet intercept. If so, a source and/or destination media access control address is compared to a list of configured intercept addresses. If a match is found, a copy of the packet is diverted to an intercept receiver and the original packet is forwarded to its intended destination.

摘要翻译： 在流水线网络处理器中，分组拦截特征确定分组是否基于分组所穿过的入站和出站端口以及基于分组的源和目的地被拦截。 当分组进入流水线网络处理器时，确定入站和出站端口是否被启用以进行分组拦截。 如果是这样，则将源和/或目的地媒体访问控制地址与配置的拦截地址的列表进行比较。 如果发现匹配，则将分组的副本转移到拦截接收机，并将原始分组转发到其预期的目的地。

公开(公告)号：US20070086337A1

公开(公告)日：2007-04-19

申请号：US11606509

申请日：2006-11-30

申请人： Liang Li ,  Thanh Dao ,  Andrew McRae ,  Hugh Nhan

发明人： Liang Li ,  Thanh Dao ,  Andrew McRae ,  Hugh Nhan

IPC分类号： H04L12/26

CPC分类号： H04L47/10 ,  H04L45/742 ,  H04L47/17 ,  H04L47/2441 ,  H04L63/0227 ,  H04L63/101

摘要： In one embodiment, a super class that contains a plurality of matching rules is generated. The matching rules of the super class are converted into a hierarchical arrangement of lookup tables and equivalence sets, the hierarchical arrangement having a plurality of levels including a first level and a final level. A final equivalence set is associated with the final level. The lookup tables and final equivalence set are then used to generate a results table that indicates a network packet is associated with a particular class.

摘要翻译： 在一个实施例中，生成包含多个匹配规则的超类。 超类的匹配规则被转换成查找表和等价集合的分层布置，分层布置具有包括第一级和最终级的多个级。 最终等价集合与最终级别相关联。 然后使用查找表和最终等价集来生成指示网络分组与特定类相关联的结果表。

公开(公告)号：US07415023B2

公开(公告)日：2008-08-19

申请号：US11606509

申请日：2006-11-30

申请人： Liang Li ,  Thanh Trung Dao ,  Andrew A. McRae ,  Hugh Nhan

发明人： Liang Li ,  Thanh Trung Dao ,  Andrew A. McRae ,  Hugh Nhan

IPC分类号： H04L12/28 ,  H04L12/56

CPC分类号： H04L47/10 ,  H04L45/742 ,  H04L47/17 ,  H04L47/2441 ,  H04L63/0227 ,  H04L63/101

摘要： In one embodiment, a super class that contains a plurality of matching rules is generated. The matching rules of the super class are converted into a hierarchical arrangement of lookup tables and equivalence sets, the hierarchical arrangement having a plurality of levels including a first level and a final level. A final equivalence set is associated with the final level. The lookup tables and final equivalence set are then used to generate a results table that indicates a network packet is associated with a particular class.

摘要翻译： 在一个实施例中，生成包含多个匹配规则的超类。 超类的匹配规则被转换成查找表和等价集合的分层布置，分层布置具有包括第一级和最终级的多个级。 最终等价集合与最终级别相关联。 然后使用查找表和最终等价集来生成指示网络分组与特定类相关联的结果表。

公开(公告)号：US07154888B1

公开(公告)日：2006-12-26

申请号：US10072824

申请日：2002-02-08

申请人： Liang Li ,  Thanh Trung Dao ,  Andrew A. McRae ,  Hugh Nhan

发明人： Liang Li ,  Thanh Trung Dao ,  Andrew A. McRae ,  Hugh Nhan

IPC分类号： H04L12/28 ,  H04L12/56

CPC分类号： H04L47/10 ,  H04L45/742 ,  H04L47/17 ,  H04L47/2441 ,  H04L63/0227 ,  H04L63/101

摘要： A technique for classifying a packet in a deterministic number of lookup operations. The technique builds a single “super class” that contains the match criteria for all the rules associated with packet classification. The “super class” is then compiled to produce a series of lookup tables and equivalence sets, including a final lookup table and equivalence set. The final equivalence set is then “post-processed” to associate the entries in the final lookup table with a particular result.

摘要翻译： 用于以确定性数量的查找操作对分组进行分类的技术。 该技术构建一个单一的“超类”，其中包含与分组分类相关联的所有规则的匹配标准。 然后编译“超级类”以产生一系列查找表和等价集，包括最终查找表和等价集。 最后的等价集合然后被“后处理”以将最终查找表中的条目与特定结果相关联。