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1. 发明授权

US08155150B1 Cooperative MAC learning/aging in highly distributed forwarding system 有权
标题翻译：高度分布式转发系统中的MAC学习/老化
公开(公告)号：US08155150B1
公开(公告)日：2012-04-10
申请号：US12401911
申请日：2009-03-11
申请人： Sammy Chung , Dongyi Jiang , Tsai-Zong Lin , Jin Shang , Anthony Ng
发明人： Sammy Chung , Dongyi Jiang , Tsai-Zong Lin , Jin Shang , Anthony Ng
IPC分类号： H04J3/24
CPC分类号： H04L12/433 , H04L12/462
摘要： A method may be performed by a device in a network, the device including multiple security process units (SPUs). The method includes receiving a packet over the network, the packet including a media access control (MAC) address, and assigning one SPU as the MAC address owner. The method also includes sending information about the MAC address to other SPUs within the device, storing the MAC address in a MAC table within each SPU, and initiating a MAC age query to confirm the MAC address has timed out among all SPUs. The MAC age query is passed via a logical ring of the SPUs beginning with the MAC address owner. If the MAC address is aged out at each SPU, the MAC address is deleted from each MAC table. If the MAC entry is still active, a different SPU is assigned as the MAC address owner.
摘要翻译：一种方法可以由网络中的设备执行，该设备包括多个安全处理单元（SPU）。该方法包括通过网络接收分组，所述分组包括媒体访问控制（MAC）地址，并且分配一个SPU作为MAC地址所有者。该方法还包括向设备内的其他SPU发送关于MAC地址的信息，将MAC地址存储在每个SPU内的MAC表中，以及启动MAC时间查询，以确认所有SPU中的MAC地址已经超时。通过从MAC地址所有者开始的SPU的逻辑环来传递MAC时长查询。如果MAC地址在每个SPU老化，则MAC地址从每个MAC表中删除。如果MAC表项仍然处于活动状态，则会分配不同的SPU作为MAC地址所有者。

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