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1. 发明授权

US08644317B1 Method and system for using extended fabric features with fibre channel switch elements 有权
标题翻译：使用光纤通道开关元件的扩展结构特征的方法和系统
公开(公告)号：US08644317B1
公开(公告)日：2014-02-04
申请号：US13177314
申请日：2011-07-06
申请人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss , Ernest G. Kohlwey , Edward C. Ross
发明人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss , Ernest G. Kohlwey , Edward C. Ross
IPC分类号： H04L12/28
CPC分类号： H04L49/25 , H04L49/10 , H04L49/357
摘要： A fiber channel switch element and method for routing fiber channel frames is provided. The switch element includes a receive segment that can add a virtual storage area network (“VSAN”) tagging header to frames that are received by the receive segment; and strip the VSAN tagging header before frames are sent to ports that do not support virtual fabric capability. The receive segment includes a table used for matching fabric extension parameters. An incoming frame's VSAN identity value is compared to a control word entry to generate a value used for routing the incoming frame. The table is used to determine if a frame is part of a virtual fabric. The routing table for each port is used to route frames and the routing table includes entries for supported virtual fabrics.
摘要翻译：提供了一种用于路由光纤信道帧的光纤信道切换元件和方法。交换单元包括接收段，其可以向由接收段接收的帧添加虚拟存储区域网络（“VSAN”）标记报头; 并在将帧发送到不支持虚拟结构能力的端口之前，剥离VSAN标记头。接收段包括用于匹配结构扩展参数的表。将输入帧的VSAN标识值与控制字条目进行比较，以生成用于路由传入帧的值。该表用于确定帧是否是虚拟结构的一部分。每个端口的路由表用于路由帧，路由表包括支持的虚拟结构的条目。

2. 发明授权

US07822057B2 Method and system for keeping a fibre channel arbitrated loop open during frame gaps 有权
标题翻译：在帧间隙期间保持光纤通道仲裁环路的方法和系统
公开(公告)号：US07822057B2
公开(公告)日：2010-10-26
申请号：US12191890
申请日：2008-08-14
申请人： Frank R. Dropps , Ernest G. Kohlwey , Gary M. Papenfuss
发明人： Frank R. Dropps , Ernest G. Kohlwey , Gary M. Papenfuss
IPC分类号： H04L12/56
CPC分类号： H04L12/42 , H04L47/245
摘要： A method and system for keeping an arbitrated loop open during a frame gap using a fiber channel switch element is provided. The switch element includes a port control module having a receive and transmit segment, wherein the transmit segment activates a timer whose value determines a duration during which the arbitrated loop remains open; determines if a last frame from a sequence of frames from a source port has been transmitted; modifies the timer value if a higher priority frame for transmission is unavailable; and keeps the arbitrated loop open until the timer reaches a certain value. If a higher priority frame is available for transmission before the timer value is modified then the higher priority frame is transmitted and the timer value is re-initialized.
摘要翻译：提供了一种使用光纤通道开关元件在帧间隙期间保持仲裁环路打开的方法和系统。开关元件包括具有接收和发送段的端口控制模块，其中发送段激活定时器，其值确定仲裁环路保持打开的持续时间; 确定来自源端口的帧序列的最后一帧是否已被发送; 如果传输的较高优先级帧不可用，则修改定时器值; 并保持仲裁循环打开，直到定时器达到一定值。如果在修改定时器值之前有较高优先级的帧可用于发送，则发送较高优先级帧，并重新初始化定时器值。

3. 发明申请

US20100128607A1 METHOD AND SYSTEM FOR BUFFER-TO-BUFFER CREDIT RECOVERY IN FIBRE CHANNEL SYSTEMS USING VIRTUAL AND/OR PSEUDO VIRTUAL LANES 有权
标题翻译：使用虚拟和/或PSEUDO虚拟局域网在光纤通道系统中缓冲缓冲器信用恢复的方法和系统
公开(公告)号：US20100128607A1
公开(公告)日：2010-05-27
申请号：US12580169
申请日：2009-10-15
申请人： Frank R. Dropps , Ernest G. Kohlwey , Edward C. Ross , Mark A. Owen
发明人： Frank R. Dropps , Ernest G. Kohlwey , Edward C. Ross , Mark A. Owen
IPC分类号： H04L12/56
CPC分类号： H04L49/506 , H04L49/357
摘要： A method and system for distributing credit using a fibre channel switch element is provided. The switch element includes, a wait threshold counter that is used to set up a status for a port that has to wait for certain duration to send a frame due to lack of buffer to buffer credit; a credit module that controls buffer to buffer credit for a transmit segment of the fibre channel switch element; and a virtual lane credit module with a counter that is incremented every time a frame assigned to a virtual lane is sent and decreased every time a VC_RDY is received. The method includes, determining if a VC_RDY primitive is received; and allocating credit to a virtual lane that is not at its maximum credit, after the VC_RDY primitive is received.
摘要翻译：提供了一种使用光纤通道开关元件分配信用的方法和系统。开关元件包括等待阈值计数器，其用于建立由于缺少缓冲器以缓冲信用而必须等待特定持续时间发送帧的端口的状态; 信用模块，其控制缓冲器以缓冲光纤通道开关元件的发送段的信用; 以及具有计数器的虚拟通道信用模块，每当每次接收到VC_RDY时，每发送一个分配给虚拟通道的帧时，该计数器递增和减小。该方法包括：确定是否接收到VC_RDY原语; 并且在接收到VC_RDY原语之后，将信用分配给不在其最大信用的虚拟通道。

4. 发明申请

US20090296715A1 METHOD AND SYSTEM FOR PROGRAMMABLE DATA DEPENDANT NETWORK ROUTING 审中-公开
标题翻译：可编程数据依赖网络路由的方法和系统
公开(公告)号：US20090296715A1
公开(公告)日：2009-12-03
申请号：US12476068
申请日：2009-06-01
申请人： Frank R. Dropps , Ernest G. Kohlwey , Craig M. Verba
发明人： Frank R. Dropps , Ernest G. Kohlwey , Craig M. Verba
IPC分类号： H04L12/56
CPC分类号： H04L49/357 , H04L49/101 , H04L49/25 , H04L49/3009
摘要： A method and system for routing fibre channel frames using a fibre channel switch element is provided. The switch element includes, a look up table that is indexed by domain, area, a virtual storage area number and/or AL_PA values of frames entering the fibre channel switch element; and logic for generating a column select signal that is used to select a column from the look up table for frame routing information The switch element also includes logic for validating a frame route by performing word depth match. A register is used to load look up table entries and column entries are selected based on the column select signal. The method includes, indexing a look up table with plural fibre channel frame header values; selecting a table value for routing a fibre channel frame based on a column select signal; and routing the frame if a route is valid.
摘要翻译：提供了一种使用光纤通道切换元件路由光纤通道帧的方法和系统。开关元件包括：由域，区域索引的查找表，进入光纤通道切换元件的帧的虚拟存储区域号和/或AL_PA值; 以及用于生成用于从查找表中选择用于帧路由信息的列的列选择信号的逻辑。开关元件还包括通过执行字深度匹配来验证帧路由的逻辑。一个寄存器用于加载查询表条目，并且基于列选择信号选择列条目。该方法包括：索引具有多个光纤信道帧头值的查找表; 基于列选择信号选择用于路由光纤信道帧的表值; 并且如果路由有效，则路由该帧。

5. 发明授权

US07613816B1 Method and system for routing network information 有权
标题翻译：路由网络信息的方法和系统
公开(公告)号：US07613816B1
公开(公告)日：2009-11-03
申请号：US11560317
申请日：2006-11-15
申请人： Frank R Dropps , Edward C Ross , Ernest G Kohlwey , Craig M Verba , Gary M Papenfuss
发明人： Frank R Dropps , Edward C Ross , Ernest G Kohlwey , Craig M Verba , Gary M Papenfuss
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L12/4633 , H04L2212/00
摘要： Method and system for processing frames in a Fibre Channel network is provided. The method includes receiving a frame at a receive port; determining if a translation cache is enabled; determining if there is a match between a received frame header and an entry in the translation cache; generating an encapsulation signal, a de-encapsulation signal, a translation signal or a routing signal; removing data words in the received frame header, if de-encapsulation signal is set; translating the received frame header, if the translation signal is set; encapsulating the frame with an encapsulation header, if the encapsulation signal is set; and routing the frame using translation cache routing if the routing signal is set.
摘要翻译：提供了一种在光纤通道网络中处理帧的方法和系统。该方法包括在接收端口处接收帧; 确定翻译高速缓存是否被启用; 确定所接收的帧头和所述翻译高速缓存中的条目之间是否存在匹配; 生成封装信号，去封装信号，转换信号或路由信号; 如果设置了解封装信号，则去除接收到的帧报头中的数据字; 如果设置了翻译信号，则转换接收到的帧头; 如果封装信号被设置，则用封装头封装帧; 并且如果设置了路由信号，则使用转换高速缓存路由来路由该帧。

6. 发明授权

US07525968B1 Method and system for auto routing fibre channel class F frames in a fibre channel fabric 有权
标题翻译：在光纤通道结构中自动路由光纤信道类F帧的方法和系统
公开(公告)号：US07525968B1
公开(公告)日：2009-04-28
申请号：US11376955
申请日：2006-03-16
申请人： Frank R. Dropps , Ernest G Kohlwey , Brel E. Indrelee
发明人： Frank R. Dropps , Ernest G Kohlwey , Brel E. Indrelee
IPC分类号： H04J3/14 , H04J14/00 , H04L12/28 , H04L12/56 , G06F15/173
CPC分类号： H04L45/00 , H04L49/3009 , H04L49/357
摘要： Method and system for routing Fibre Channel Class F frames using a Fibre Channel switch element port is provided. The method includes parsing a Fibre Channel frame at a receive port of a Fibre Channel switch; and automatically routing a Class F frame that is destined to a Domain Controller. The switch element includes a receive port for parsing a Fibre Channel frame, storing a Domain Steering Table and automatically routing a Class F frame that is destined for a Domain Controller.
摘要翻译：提供了使用光纤通道交换机元件端口路由光纤通道F类帧的方法和系统。该方法包括在光纤通道交换机的接收端口解析光纤通道帧; 并自动路由发往域控制器的F类帧。交换机元件包括用于解析光纤通道帧的接收端口，存储域指导表并自动路由目的地为域控制器的F类帧。

7. 发明授权

US07430175B2 Method and system for managing traffic in fibre channel systems 有权
标题翻译：管理光纤通道系统流量的方法和系统
公开(公告)号：US07430175B2
公开(公告)日：2008-09-30
申请号：US10894579
申请日：2004-07-20
申请人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss , Ernest G Kohlwey , Mark A. Owen
发明人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss , Ernest G Kohlwey , Mark A. Owen
IPC分类号： H04J3/14
CPC分类号： H04L47/28 , H04L47/10 , H04L47/32 , H04L49/25 , H04L49/254 , H04L49/3009 , H04L49/357
摘要： Method and system for routing fiber channel frames using a fiber channel switch element is provided. The method includes, inserting a time stamp value in a fiber channel frame that is received at a receive segment of the fiber channel switch element; determining if a timeout occurs after a frame arrives at a receive buffer; and processing the frame if the timeout occurred. The method also includes, determining if a delta time value, which provides an accumulated wait time for a frame, is present in frame data; subtracting the delta time stamp value from a global time stamp value and using the resulting time stamp value to determine frame timeout status in the fiber channel switch element. A timeout checker circuit declares a timeout after comparing a time stamp value that is inserted in a fiber channel frame with a programmed time out value and global counter value.
摘要翻译：提供了使用光纤通道开关元件路由光纤通道帧的方法和系统。该方法包括：在光纤通道切换元件的接收段接收的光纤通道帧中插入时间戳值; 确定在帧到达接收缓冲器之后是否发生超时; 并且如果发生超时则处理该帧。该方法还包括：确定提供帧的累积等待时间的增量时间值是否存在于帧数据中; 从全局时间戳值减去增量时间戳值，并使用所得到的时间戳值来确定光纤通道开关元件中的帧超时状态。超时检查器电路在将插入光纤通道帧中的时间戳值与编程的超时值和全局计数器值进行比较后，声明超时。

8. 发明授权

US08774206B2 High speed fibre channel switch element 有权
标题翻译：高速光纤通道开关元件
公开(公告)号：US08774206B2
公开(公告)日：2014-07-08
申请号：US13604261
申请日：2012-09-05
申请人： Frank R. Dropps , Ernest G. Kohlwey , Mark A. Owen
发明人： Frank R. Dropps , Ernest G. Kohlwey , Mark A. Owen
IPC分类号： H04L12/28
CPC分类号： H04L49/25 , H04L45/40 , H04L49/101 , H04L49/357
摘要： A high-speed Fiber Channel switch element in a Fiber Channel network is provided. The Fiber Channel switch element includes, a rate select module that allows a port in the Fiber Channel switch element to operate at a rate equal to and/or higher than 10 gigabits per second (“G”). The port may operate at 20 G, 40 G or at a rate greater than 40 G. Also, a cut status is provided for cut-through routing between ports operating at different speed. Plural transmit and receive lines are used for port operation at a rate equal to or higher than 10 G.
摘要翻译：提供了光纤通道网络中的高速光纤通道交换机元件。光纤通道开关元件包括速率选择模块，其允许光纤通道开关元件中的端口以等于和/或高于10吉比特每秒（“G”）的速率工作。端口可以20 G，40 G或大于40 G的速率运行。此外，还提供了切换状态，用于以不同速度运行的端口之间的直通路由。多个发送和接收线路以等于或高于10G的速率用于端口操作。

9. 发明授权

US08005105B2 Method and system for configuring fibre channel ports 有权
标题翻译：配置光纤通道端口的方法和系统
公开(公告)号：US08005105B2
公开(公告)日：2011-08-23
申请号：US12473150
申请日：2009-05-27
申请人： Frank R. Dropps , Gary M. Papenfuss , Ernest G. Kohlwey
发明人： Frank R. Dropps , Gary M. Papenfuss , Ernest G. Kohlwey
IPC分类号： H04L12/28 , H04L12/56 , H04J3/02 , G06F13/20
CPC分类号： G06F13/385 , H04L49/101 , H04L49/357 , H04L49/65
摘要： A fiber channel switch element for routing fiber channel frame is provided. The switch element includes a fiber channel port that can be configured to support plural data transfer rates. The data transfer rate may be 1 G, 2 G, 4 G, 8 G or 10 G. The switch element includes a clock configuration module for providing a clock signal that is based on the data transfer rate. A receive segment of the fiber channel port sends a signal to a transmit segment to avoid an under flow condition. The receive segment also waits for a certain frame length after a fiber channel frame is written and before the fiber channel frame is read, depending upon a data transfer rate of a source port. Multiple lanes may be configured as a single 10 G multi lane port or as multiple individual ports.
摘要翻译：提供了一种用于布线光纤通道帧的光纤通道开关元件。开关元件包括可配置成支持多个数据传输速率的光纤通道端口。数据传输速率可以是1G，2G，4G，8G或10G。开关元件包括用于提供基于数据传输速率的时钟信号的时钟配置模块。光纤通道端口的接收段将信号发送到发送段，以避免流下状况。根据源端口的数据传输速率，接收段在光纤通道帧被写入之后并且在光纤通道帧被读取之前也等待一定的帧长度。多个通道可以配置为单个10 G多通道端口或多个独立端口。

10. 发明申请

US20090041029A1 METHOD AND SYSTEM FOR MANAGING TRAFFIC IN FIBRE CHANNEL SYSTEMS 有权
标题翻译：用于管理光纤通道系统中的交通的方法和系统
公开(公告)号：US20090041029A1
公开(公告)日：2009-02-12
申请号：US12189497
申请日：2008-08-11
申请人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss , Ernest G. Kohlwey , Mark A. Owen
发明人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss , Ernest G. Kohlwey , Mark A. Owen
IPC分类号： H04J3/14
CPC分类号： H04L47/28 , H04L47/10 , H04L47/32 , H04L49/25 , H04L49/254 , H04L49/3009 , H04L49/357
摘要： Method and system for routing fibre channel frames using a fibre channel switch element is provided. The method includes, inserting a time stamp value in a fibre channel frame that is received at a receive segment of the fibre channel switch element; determining if a timeout occurs after a frame arrives at a receive buffer; and processing the frame if the timeout occurred. The method also includes, determining if a delta time value, which provides an accumulated wait time for a frame, is present in frame data; subtracting the delta time stamp value from a global time stamp value and using the resulting time stamp value to determine frame timeout status in the fibre channel switch element. A timeout checker circuit declares a timeout after comparing a time stamp value that is inserted in a fibre channel frame with a programmed time out value and a global counter value.
摘要翻译：提供了使用光纤通道开关元件路由光纤通道帧的方法和系统。该方法包括：在光纤通道切换元件的接收段接收的光纤通道帧中插入时间戳值; 确定在帧到达接收缓冲器之后是否发生超时; 并且如果发生超时则处理该帧。该方法还包括：确定提供帧的累积等待时间的增量时间值是否存在于帧数据中; 从全局时间戳值减去增量时间戳值，并使用所得到的时间戳值来确定光纤通道开关元件中的帧超时状态。超时检查器电路在将插入光纤通道帧中的时间戳值与编程的超时值和全局计数器值进行比较后，声明超时。

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