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    • 93. 发明授权
    • Method of generating TCAM entry and method and apparatus for searching for TCAM entry
    • 生成TCAM条目的方法和用于搜索TCAM条目的方法和装置
    • US07584323B2
    • 2009-09-01
    • US11583189
    • 2006-10-18
    • Young Ho KimBo Heung ChungJae Deok LimSeung Ho RyuYong Sung JeonSang Woo LeeKi Young Kim
    • Young Ho KimBo Heung ChungJae Deok LimSeung Ho RyuYong Sung JeonSang Woo LeeKi Young Kim
    • G06F12/00
    • G11C15/00
    • Provided is a method of generating and searching for a single ternary content addressable memory (TCAM) entry for range search and exact-match search. First, it is determined whether an entry to be added is a range search entry or an exact-match search entry. When the entry is the range search entry, a bit at a predetermined position in the upper m bits corresponding to a range represented by the entry is set to “1” and the remaining bits including lower n bits is set to a “don't care” bit x, based on a range table for representing position information of one of the upper m bits which is set to “1” in ranges. When the entry is the exact-match search entry, the upper m bits is set to “don't care” bit x and the lower n bits is set to the entry value. By generating and searching for a single TCAM entry for a range search and an exact-match search, a space for storing the TCAM entry can be optimized and efficiency thereof can be improved.
    • 提供了一种生成和搜索用于范围搜索和精确匹配搜索的单个三进制内容可寻址存储器(TCAM)条目的方法。 首先,确定要添加的条目是范围搜索条目还是精确匹配搜索条目。 当条目是范围搜索条目时,与由条目表示的范围相对应的上位m位中的预定位置处的位被设置为“1”,并且包括较低n位的其余位被设置为“不” 基于用于表示在范围中被设置为“1”的上位m位之一的位置信息的范围表。 当条目是精确匹配搜索条目时,高位m被设置为“无关紧要”位x,低n位被设置为条目值。 通过生成和搜索用于范围搜索和精确匹配搜索的单个TCAM条目,可以优化用于存储TCAM条目的空间,并且可以提高其效率。
    • 98. 发明授权
    • Node system, dual ring communication system using node system, and communication method thereof
    • 节点系统,使用节点系统的双环通信系统及其通信方法
    • US07382726B2
    • 2008-06-03
    • US10426402
    • 2003-04-30
    • Sang-Woo LeeHeyung-Sub LeeHyeong-Ho Lee
    • Sang-Woo LeeHeyung-Sub LeeHyeong-Ho Lee
    • H04J3/14
    • H04L45/125H04L12/42H04L47/10H04L47/11H04L47/263Y02D50/10
    • A dual ring communication method using a node system includes: with congestion occurring in a first node system, the first node system generating a congestion information packet and forwarding it to an upper node system positioned in a direction opposed to a direction of forwarding a data packet; a second node system determining whether it is the last node involved in the congestion; adding its congestion information to the congestion information packet and forwarding the congestion information packet to an upper node system when the second node system is not the last node; performing bandwidth allocation for the node systems in other case; and generating a bandwidth allocation packet and transmitting the bandwidth allocation packet to the node systems involved in the congestion.
    • 使用节点系统的双环通信方法包括:具有在第一节点系统中发生的拥塞,所述第一节点系统生成拥塞信息分组并将其转发到位于与转发数据分组的方向相反的方向上的上层节点系统 ; 确定是否是所述拥塞中涉及的最后一个节点的第二节点系统; 将所述拥塞信息添加到所述拥塞信息分组,并且当所述第二节点系统不是所述最后节点时,将所述拥塞信息分组转发到上级节点系统; 在其他情况下,为节点系统执行带宽分配; 以及生成带宽分配分组并将所述带宽分配分组发送到所述拥塞中涉及的节点系统。