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    • 8. 发明申请
    • Method and system for routing and filtering network data packets in fibre channel systems
    • 在光纤通道系统中路由和过滤网络数据包的方法和系统
    • US20050044267A1
    • 2005-02-24
    • US10894546
    • 2004-07-20
    • Frank DroppsEdward RossSteven Betker
    • Frank DroppsEdward RossSteven Betker
    • G06F15/173H04L29/08
    • H04L69/324
    • A fibre channel switch element with an alias cache is provided for routing and filtering frames. The alias cache includes plural entries including a control word having plural fields including an action code for routing frames; an alias word that is compared to incoming frame data using a frame byte compare block; and a bit mask generator for filtering bit combinations from the frame byte compare block; and a depth match block for determining equality between a control word depth field and incoming frame depth field. Frame data comparison is performed on a bit by bit or byte-by-byte basis. An alias cache entry also includes prerequisite data to determine if results of a different entry are to be used to determine an entry match. The action code routes a frame to a processor, discards a frame, sets a status for inspecting a frame or routes a frame based on a standard Fibre Channel addressing scheme.
    • 提供具有别名高速缓存的光纤通道切换元件用于路由和过滤帧。 所述别名缓存包括多个条目,包括具有多个字段的控制字,包括用于路由帧的动作码; 与使用帧字节比较块的传入帧数据进行比较的别名字; 以及用于从帧字节比较块滤波比特组合的位掩码生成器; 以及用于确定控制字深度字段和输入帧深度字段之间的相等性的深度匹配块。 以逐位或逐位执行帧数据比较。 别名缓存条目还包括先决条件数据,以确定是否使用不同条目的结果来确定条目匹配。 动作代码将帧路由到处理器,丢弃帧,设置用于检查帧的状态或基于标准光纤通道寻址方案路由帧。