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1. 发明公开

EP1530763A2 ASSOCIATIVE MEMORY WITH ENHANCED CAPABILITIES 失效转让
标题翻译： ASSOZIATIVER SPEICHER MIT ERWEITERTENMÖGLICHKEITEN
公开(公告)号：EP1530763A2
公开(公告)日：2005-05-18
申请号：EP03784783.7
申请日：2003-07-19
申请人： Cisco Technology, Inc.,c/o Robert Barr
发明人： EATHERTON, William, N. , LEE, Jaushin , PRIYADARSHAN, Bangalore, L. , WARKHEDE, Priyank, Ramesh , ERTEMALP, Fusun , HOLBROOK, Hugh, Weber , DEVIREDDY, Dileep, Kumar , KANEKAR, Bhushan, Mangesh , PULLELA, Venkateshwar, Rao
IPC分类号： G06F17/30
CPC分类号： G06F17/30982
摘要： Methods and apparatus are disclosed for performing lookup operations using associative memories, including, but not limited to modifying search keys within an associative memory based on modification mappings, forcing a no-hit condition in response to a highest-priority matching entry including a force no-hit indication, selecting among various sets or banks of associative memory entries in determining a lookup result, and detecting and propagating error conditions. In one implementation, each block retrieves a modification mapping from a local memory and modifies a received search key based on the mapping and received modification data. In one implementation, each of the associative memory entries includes a field for indicating that a successful match on the entry should or should not force a no-hit result. In one implementation, an indication of which associative memory blocks or sets of entries to use in a particular lookup operation is retrieved from a memory.
摘要翻译：公开了用于使用关联存储器执行查找操作的方法和装置，包括但不限于：基于修改映射修改关联存储器内的搜索关键字，响应于最高优先级的匹配条目来响应不受限制的条件，包括力 - 指示，在确定查找结果中选择各种组或组合的联想存储器条目，以及检测和传播错误条件。在一个实现中，每个块从本地存储器检索修改映射，并且基于映射和接收到的修改数据修改接收的搜索密钥。在一个实现中，每个关联存储器条目包括用于指示条目上的成功匹配应该或不应该强制无命中结果的字段。在一个实现中，从存储器检索在特定查找操作中使用的哪些关联存储器块或条目集合的指示。

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