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11. 发明授权

US08565251B2 MAC address table collection in distributed switching systems 有权
标题翻译：分布式交换系统中的MAC地址表收集
公开(公告)号：US08565251B2
公开(公告)日：2013-10-22
申请号：US13160283
申请日：2011-06-14
申请人： Bijendra Singh , Arun Saha , Arindam Paul
发明人： Bijendra Singh , Arun Saha , Arindam Paul
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L49/351 , H04L49/3009
摘要： In accordance with embodiments of the present disclosure, a switch may include a processor and a plurality of line cards, each line card including a table of addresses. The processor may be configured to: (i) read, from a first line card of the plurality of line cards, addresses relating to all flooding domains present on the first line card; (ii) store the addresses read from the first line card on a memory accessible to the processor; (iii) determine a second line card of the plurality of line cards, the second line card having the presence of at least one flooding domain not present on the first line card; (iv) read, from the second line card, addresses relating to all flooding domains present on the second line card; and (v) store the addresses read from the second line card on the memory.
摘要翻译：根据本公开的实施例，开关可以包括处理器和多个线卡，每个线卡包括地址表。处理器可以被配置为：（i）从多个线路卡的第一线路卡读取与存在于第一线路卡上的所有洪泛域有关的地址; （ii）将从第一线卡读取的地址存储在处理器可访问的存储器上; （iii）确定所述多个线路卡的第二线路卡，所述第二线路卡具有不存在于所述第一线路卡上的至少一个洪泛域; （iv）从第二线卡读取与存在于第二线卡上的所有洪泛域有关的地址; 和（v）将从第二线卡读取的地址存储在存储器上。

12. 发明授权

US08560768B2 Method and system for reducing entries in a content-addressable memory 有权
标题翻译：用于减少内容可寻址存储器中的条目的方法和系统
公开(公告)号：US08560768B2
公开(公告)日：2013-10-15
申请号：US12952050
申请日：2010-11-22
申请人： Arun Saha , Bijendra Singh
发明人： Arun Saha , Bijendra Singh
IPC分类号： G06F12/02
CPC分类号： G11C15/00
摘要： A method for reducing memory entries in a ternary content-addressable memory may include determining if a first entry and a second entry are associated with the same data value. The method may also include determining if the first entry can be masked such that searching the memory with the content value of either of the first entry or the second entry returns the same data value. The method may further include, in response to determining that the first entry and a second entry are associated with the same data value and determining that the first entry can be masked such that addressing the memory with the content value of either of the first entry or the second entry returns the same data value: (i) masking the first entry such that addressing the memory with the content value of either of the first entry or the second entry returns the same data value; and (ii) deleting the second entry.
摘要翻译：用于减少三元可内容寻址存储器中的存储器条目的方法可以包括确定第一条目和第二条目是否与相同的数据值相关联。该方法还可以包括确定第一条目是否可以被屏蔽，使得用第一条目或第二条目中的任一条的内容值搜索存储器返回相同的数据值。该方法还可以包括响应于确定第一条目和第二条目与相同的数据值相关联并且确定可以屏蔽第一条目，使得以第一条目的任一条的内容值寻址存储器第二条目返回相同的数据值：（i）屏蔽第一条目，使得利用第一条目或第二条目中的任一条的内容值寻址存储器返回相同的数据值; 和（ii）删除第二项。

13. 发明申请

US20120155485A1 EFFICIENT SPACE UTILIZATION OF DISTRIBUTED MAC ADDRESS TABLES IN ETHERNET SWITCHES 审中-公开
标题翻译：分布式MAC地址表在以太网交换机中的高效空间利用
公开(公告)号：US20120155485A1
公开(公告)日：2012-06-21
申请号：US12970449
申请日：2010-12-16
申请人： Arun Saha , Bijendra Singh
发明人： Arun Saha , Bijendra Singh
IPC分类号： H04L12/56
CPC分类号： H04L12/413 , H04L49/00
摘要： A method for networked communications includes receiving, on an inbound port, a frame to be forwarded, mapping the received frame to a flooding domain, determining an inbound port through which a frame is received, wherein the plurality of ports includes the inbound port, determining a destination address of the received frame, and determining one or more of the plurality of ports through which the received frame is to be forwarded. If the line card contains a port that is part of the flooding domain, the method includes populating a forwarding table associated with the line card with information regarding the received frame and information regarding the flooding domain. If the line card contains no ports that are part of the flooding domain, the method includes populating no forwarding tables associated with the line card with information regarding the received frame and information regarding the flooding domain.
摘要翻译：一种网络通信方法，包括在入站端口接收要转发的帧，将接收到的帧映射到泛洪域，确定接收到帧的入站端口，其中多个端口包括入站端口，确定接收到的帧的目的地地址，以及确定接收到的帧将被转发到的多个端口中的一个或多个。如果线路卡包含作为泛洪域的一部分的端口，则该方法包括填充与线路卡相关联的转发表，其中关于接收到的帧的信息和关于泛洪域的信息。如果线路卡不包含作为泛洪域的一部分的端口，则该方法包括不将与线路卡相关联的转发表填充到关于接收到的帧的信息和关于泛洪域的信息。

14. 发明申请

US20110222538A1 Method and System for L3 Bridging Using L3-To-L2 Mapping Database 审中-公开
标题翻译：使用L3到L2映射数据库的L3桥接方法和系统
公开(公告)号：US20110222538A1
公开(公告)日：2011-09-15
申请号：US12723087
申请日：2010-03-12
申请人： Bijendra Singh , Arun Saha , Snigdho Chandra Bardalai
发明人： Bijendra Singh , Arun Saha , Snigdho Chandra Bardalai
IPC分类号： H04L12/56
CPC分类号： H04L45/74 , H04L45/50
摘要： A method may include creating an L3-L2 database on a first switch, the database having one or more entries, each entry: (a) associating a Level 3 (L3) unique identifier associated with a virtual local area network (VLAN) communicatively coupled to the first switch to a Level 2 (L2) unique identifier associated with the VLAN, and (b) associating the L3 unique identifier with a port of the first switch. The method may also include receiving a network packet at the first switch. The method may additionally include determining if a destination VLAN for the network packet has a corresponding entry in the L3-L2 database. The method may further include switching the network packet to the port in response to a determination that the destination VLAN for the network packet has a corresponding entry in the L3-L2 database, such that the packet is communicated to one of: (a) the destination VLAN, and (b) a second switch intermediate to the first switch and the destination VLAN.
摘要翻译：一种方法可以包括在第一交换机上创建L3-L2数据库，所述数据库具有一个或多个条目，每个条目：（a）将与虚拟局域网（VLAN）相关联的级别3（L3）唯一标识符与通信耦合到第一个切换到与VLAN相关联的级别2（L2）唯一标识符，以及（b）将L3唯一标识符与第一交换机的端口相关联。该方法还可以包括在第一交换机处接收网络分组。该方法可以另外包括确定网络分组的目的地VLAN是否具有L3-L2数据库中的相应条目。响应于确定网络分组的目的地VLAN具有L3-L2数据库中的对应条目，该方法还可以包括将网络分组转换到端口，使得分组被传送到以下各项之一：（a）目的VLAN，（b）第二个交换机和目的VLAN之间的第二个交换机。

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