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1. 发明申请

US20090290584A1 METHOD AND SYSTEM FOR CONFIGURING FIBRE CHANNEL PORTS 有权
标题翻译：用于配置光纤通道的方法和系统
公开(公告)号：US20090290584A1
公开(公告)日：2009-11-26
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： H04L12/56
CPC分类号： G06F13/385 , H04L49/101 , H04L49/357 , H04L49/65
摘要： A fibre channel switch element for routing fibre channel frame is provided. The switch element includes a fibre 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 fibre 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 fibre channel frame is written and before the fibre channel frame is read, depending upon a data transfer rate of a source port. Multiple lanes may be configured as a single 10G 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10G多通道端口或多个单独端口。

2. 发明授权

US07583597B2 Method and system for improving bandwidth and reducing idles in fibre channel switches 有权
标题翻译：改善光纤通道交换机带宽，减少空闲的方法和系统
公开(公告)号：US07583597B2
公开(公告)日：2009-09-01
申请号：US10894726
申请日：2004-07-20
申请人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss
发明人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss
IPC分类号： H04L12/26
CPC分类号： H04L12/5602
摘要： A method for routing fibre channel frames using a fibre channel switch element is provided. The switch element includes, a receiving segment in a fibre channel port for receiving the frames and a transmit segment that transmits the received frames. The method includes requesting an early frame transfer, wherein the transmit segment of a fibre channel port requests an early frame transfer from a receiving segment of the fibre channel port before a frame has arrived at the transmit segment; activating an early frame transfer; determining if there is a need for aborting the early frame transfer request; and selecting a different source port if there is a need for aborting an early frame transfer request.
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。开关元件包括用于接收帧的光纤通道端口中的接收段和发送接收到的帧的发送段。该方法包括请求早期帧传输，其中光纤信道端口的发射段在帧到达发射段之前请求从光纤信道端口的接收段的早期帧传输; 激活早期的帧转移; 确定是否需要中止早期帧转移请求; 并且如果需要中止早期帧传送请求，则选择不同的源端口。

3. 发明授权

US07466700B2 LUN based hard zoning in fibre channel switches 有权
标题翻译：基于光纤通道交换机的基于LUN的硬分区
公开(公告)号：US07466700B2
公开(公告)日：2008-12-16
申请号：US10894492
申请日：2004-07-20
申请人： Frank R. Dropps , William J Gustafson , Gary M. Papenfuss
发明人： Frank R. Dropps , William J Gustafson , Gary M. Papenfuss
IPC分类号： H04L12/56
CPC分类号： G06F21/85
摘要： A method and system for implementing LUN based hard zoning in a fiber channel network is provided. A LUN field in a Fiber Channel SCSI command frame is compared with a list of LUNS that are allowed for a particular frame source; and the frame is forwarded if the LUN is allowed for the frame source. The comparison is performed by a port receiving the frame by using an address look up table (“ALUT”). Hard zoning is based on various frame fields and/or ALUT control codes. Also provided is a method for processing a reply to a SCSI REPORT LUN command from an initiator. The method includes, intercepting a reply to a REPORT LUN command; editing the reply to remove unauthorized LUNs; and sending the edited reply to the initiator.
摘要翻译：提供了一种在光纤通道网络中实现基于LUN的硬分区的方法和系统。将光纤通道SCSI命令帧中的LUN字段与允许用于特定帧源的LUNS列表进行比较; 并且如果允许用于帧源的LUN，则帧被转发。该比较由通过使用地址查询表（“ALUT”）接收帧的端口执行。硬分区基于各种帧字段和/或ALUT控制代码。还提供了一种从启动器处理对SCSI REPORT LUN命令的回复的方法。该方法包括拦截对REPORT LUN命令的回复; 编辑回复以删除未经授权的LUN; 并将编辑的回复发送到启动器。

4. 发明授权

US08116206B1 Method and system for routing frames in a network 有权
标题翻译：用于在网络中路由帧的方法和系统
公开(公告)号：US08116206B1
公开(公告)日：2012-02-14
申请号：US12037847
申请日：2008-02-26
申请人： Frank R. Dropps , Gary M. Papenfuss
发明人： Frank R. Dropps , Gary M. Papenfuss
IPC分类号： G06F15/173
CPC分类号： H04L49/357 , H04L12/56 , H04L49/101
摘要： A method for routing frames is provided. The method comprises: receiving a frame at a receive port segment of a port for a switch element; generating a tag based on information included in the frame, where the tag identifies a location where the frame is stored in the receive port segment; transmitting the tag to a destination port for the frame; generating a request for the frame, wherein the destination port generates the request for the frame; transmitting the request for the frame to the port that received the frame, where a field in the request differentiates the request for the frame from the tag generated by the receive port segment of the port that received the frame; and transmitting the frame stored at the receive port segment, in response to the request sent by the destination port.
摘要翻译：提供了路由帧的方法。该方法包括：在开关元件的端口的接收端口段处接收帧; 基于包括在所述帧中的信息生成标签，其中所述标签标识所述帧被存储在所述接收端口段中的位置; 将所述标签发送到所述帧的目的地端口; 生成对所述帧的请求，其中所述目的端口生成对所述帧的请求; 将所述帧的请求发送到接收到所述帧的端口，其中所述请求中的字段将所述帧的请求与由接收到所述帧的端口的接收端口段生成的标签区分开; 以及响应于目的地端口发送的请求，发送存储在接收端口段的帧。

5. 发明授权

US07990975B1 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：US07990975B1
公开(公告)日：2011-08-02
申请号：US12697994
申请日：2010-02-01
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 fibre channel switch element and method for routing fibre 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。

6. 发明授权

US07684401B2 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：US07684401B2
公开(公告)日：2010-03-23
申请号：US10894547
申请日：2004-07-20
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： H04L12/56
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。

7. 发明授权

US07649903B2 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：US07649903B2
公开(公告)日：2010-01-19
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： H04L12/56
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 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 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 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。

8. 发明授权

US07609710B1 Method and system for credit management in a networking system 有权
标题翻译：网络系统信用管理方法与系统
公开(公告)号：US07609710B1
公开(公告)日：2009-10-27
申请号：US12019094
申请日：2008-01-24
申请人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss
发明人： Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss
IPC分类号： H04L12/56
CPC分类号： H04L49/506 , H04L49/101 , H04L49/357 , H04L49/552
摘要： A method for credit management in a network system is provided. The method comprises receiving an incoming frame at a receive port of a network device; determining a frame length of the incoming frame; based on the frame length, determining whether to store the frame in a first memory storage space or a second memory storage space, wherein the first memory storage space includes a plurality of slots and each of the plurality of slots can store only one frame regardless of frame size; and the second memory storage space includes a plurality of slots and each of the plurality of slots can store more than one frame; and if the incoming frame is stored in the second memory storage space, transmitting a signal immediately to another port indicating that credit is available.
摘要翻译：提供了一种网络系统信用管理方法。该方法包括在网络设备的接收端口处接收输入帧; 确定输入帧的帧长度; 基于所述帧长度，确定是否将所述帧存储在第一存储器存储空间或第二存储器存储空间中，其中所述第一存储器存储空间包括多个时隙，并且所述多个时隙中的每一个可以仅存储一个帧，而不管框架尺寸; 并且所述第二存储器存储空间包括多个时隙，并且所述多个时隙中的每一个可以存储多于一个帧; 并且如果输入帧存储在第二存储器存储空间中，则立即将信号发送到指示信用可用的另一个端口。

9. 发明申请

US20090168772A1 LUN BASED HARD ZONING IN FIBRE CHANNEL SWITCHES 审中-公开
标题翻译：光纤通道切换中的基于LUN的硬分区
公开(公告)号：US20090168772A1
公开(公告)日：2009-07-02
申请号：US12259197
申请日：2008-10-27
申请人： Frank R. Dropps , William J. Gustafson , Gary M. Papenfuss
发明人： Frank R. Dropps , William J. Gustafson , Gary M. Papenfuss
IPC分类号： H04L12/56
CPC分类号： G06F21/85
摘要： A method and system for implementing LUN based hard zoning in a fibre channel network is provided. A LUN field in a Fibre Channel SCSI command frame is compared with a list of LUNS that are allowed for a particular frame source; and the frame is forwarded if the LUN is allowed for the frame source. The comparison is performed by a port receiving the frame by using an address look up table (“ALUT”). Hard zoning is based on various frame fields and/or ALUT control codes. Also provided is a method for processing a reply to a SCSI REPORT LUN command from an initiator. The method includes, intercepting a reply to a REPORT LUN command; editing the reply to remove unauthorized LUNs; and sending the edited reply to the initiator.
摘要翻译：提供了一种在光纤通道网络中实现基于LUN的硬分区的方法和系统。将光纤通道SCSI命令帧中的LUN字段与允许用于特定帧源的LUNS列表进行比较; 并且如果允许用于帧源的LUN，则帧被转发。比较由通过使用地址查询表（“ALUT”）接收帧的端口执行。硬分区基于各种帧字段和/或ALUT控制代码。还提供了一种从启动器处理对SCSI REPORT LUN命令的回复的方法。该方法包括拦截对REPORT LUN命令的回复; 编辑回复以删除未经授权的LUN; 并将编辑的回复发送到启动器。

10. 发明申请

US20090046736A1 METHOD AND SYSTEM FOR KEEPING A FIBRE CHANNEL ARBITRATED LOOP OPEN DURING FRAME GAPS 有权
标题翻译：在框架GAPS中保持光纤通道仲裁环路的方法和系统
公开(公告)号：US20090046736A1
公开(公告)日：2009-02-19
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 fibre 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。

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