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公开(公告)号：US08825965B2
公开(公告)日：2014-09-02
申请号：US11971066
申请日：2008-01-08
CPC分类号： G06F12/1009 , G06F11/1016 , G06F12/0207 , G06F12/0292 , G06F12/0607 , G06F13/1684 , G06F13/4234
摘要： This document discusses, among other things, an example system and methods for memory expansion. An example embodiment includes receiving a memory request from a memory controller over a channel. Based on the memory request, the example embodiment includes selecting a location in memory to couple to a sub-channel of the channel and configuring the set of field effect transistors to couple the channel with the sub-channel. In the example embodiment, data may be allowed to flow between the memory controller and the location in the memory over the channel and the sub-channel.
摘要翻译： 本文档还讨论了一个用于内存扩展的示例系统和方法。 示例实施例包括通过信道从存储器控制器接收存储器请求。 基于存储器请求，示例性实施例包括选择存储器中的位置以耦合到信道的子信道并且配置该场效应晶体管集合以将该信道与子信道耦合。 在示例实施例中，可以允许数据通过信道和子信道在存储器控制器和存储器中的位置之间流动。
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公开(公告)号：US08621132B2
公开(公告)日：2013-12-31
申请号：US11971080
申请日：2008-01-08
IPC分类号： G06F12/00
CPC分类号： G06F13/4243 , G11C5/04
摘要： This document discusses, among other things, an example system and methods for memory expansion. An example embodiment includes receiving first initialization data from a physical dual inline memory module (DIMM) and converting the first initialization data to second initialization data of a logical DIMM mapped to the physical DIMM. The example embodiment may further include programming a memory controller based on the second initialization data.
摘要翻译： 本文档还讨论了一个用于内存扩展的示例系统和方法。 示例实施例包括从物理双列直插式存储器模块（DIMM）接收第一初始化数据，并将第一初始化数据转换为映射到物理DIMM的逻辑DIMM的第二初始化数据。 该示例性实施例还可以包括基于第二初始化数据来编程存储器控制器。
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公开(公告)号：US07793137B2
公开(公告)日：2010-09-07
申请号：US11022266
申请日：2004-12-23
申请人： Roger A. Karam , Luca Cafiero
发明人： Roger A. Karam , Luca Cafiero
IPC分类号： G06F11/00
摘要： Redundancy of data and/or inline power in a wired data telecommunications network from a pair of network devices via a selection device is provided by communicating redundant signals with each of the pair of network devices and coupling ports of the first network device and corresponding ports of the second network device to paired inputs of the selection device. The selection device operates: 1) under the control of the pair of network devices, one acting as master and one as slave, the master selecting (for each port or for all ports) one of the two paired inputs and causing the selection device to communicate data and/or inline power via a third port of the selection device to a third network device receiving data connectivity and/or inline power from the selection device; or 2) to route two redundant signals to a third network device which then selects one for use.
摘要翻译： 通过与第一网络设备的一对网络设备中的每一个和第一网络设备的耦合端口以及第一网络设备的对应端口中的每一个传送冗余信号来提供通过选择设备从有线数据电信网络中的数据和/或在线功率的冗余 第二网络设备到选择设备的配对输入。 选择设备操作：1）在一对网络设备的控制下，一个作为主机，一个作为从机，主机（对于每个端口或用于所有端口）选择两个配对输入之一，并使选择设备 经由选择装置的第三端口将数据和/或在线电力传送到从选择装置接收数据连接和/或在线电力的第三网络装置; 或2）将两个冗余信号路由到第三网络设备，然后选择一个用于使用。
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公开(公告)号：US20090252038A1
公开(公告)日：2009-10-08
申请号：US12485337
申请日：2009-06-16
申请人： Luca Cafiero , Silvano Gai
发明人： Luca Cafiero , Silvano Gai
CPC分类号： H04L47/522 , H04L12/4625 , H04L61/106 , H04L61/6022 , H04L61/6045
摘要： The present invention provides methods and devices for implementing a Low Latency Ethernet (“LLE”) solution, also referred to herein as a Data Center Ethernet (“DCE”) solution, which simplifies the connectivity of data centers and provides a high bandwidth, low latency network for carrying Ethernet and storage traffic. Some aspects of the invention involve transforming FC frames into a format suitable for transport on an Ethernet. Some preferred implementations of the invention implement multiple virtual lanes (“VLs”) in a single physical connection of a data center or similar network. Some VLs are “drop” VLs, with Ethernet-like behavior, and others are “no-drop” lanes with FC-like behavior. Some preferred implementations of the invention provide guaranteed bandwidth based on credits and VL. Active buffer management allows for both high reliability and low latency while using small frame buffers. Preferably, the rules for active buffer management are different for drop and no drop VLs.
摘要翻译： 本发明提供了用于实现低延迟以太网（“LLE”）解决方案的方法和设备，这也被称为数据中心以太网（“DCE”）解决方案，其简化了数据中心的连接性并提供了高带宽，低 用于承载以太网和存储流量的延迟网络。 本发明的一些方面涉及将FC帧变换成适于在以太网上传输的格式。 本发明的一些优选实现在数据中心或类似网络的单个物理连接中实现多个虚拟通道（“VL”）。 一些VL是“下降”VL，具有类似以太网的行为，而其他VL是类似FC的行为的“不丢弃”通道。 本发明的一些优选实施方案提供了基于信用和VL的保证带宽。 使用小帧缓冲区时，主动缓冲区管理可实现高可靠性和低延迟。 优选地，用于主动缓冲器管理的规则对于丢弃和不丢弃VL是不同的。
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公开(公告)号：US20060098681A1
公开(公告)日：2006-05-11
申请号：US11078992
申请日：2005-03-10
申请人： Luca Cafiero , Silvano Gai
发明人： Luca Cafiero , Silvano Gai
IPC分类号： H04L12/413 , H04J3/24
CPC分类号： H04L47/522 , H04L12/4625 , H04L61/106 , H04L61/6022 , H04L61/6045
摘要： The present invention provides methods and devices for implementing a Low Latency Ethernet (“LLE”) solution, also referred to herein as a Data Center Ethernet (“DCE”) solution, which simplifies the connectivity of data centers and provides a high bandwidth, low latency network for carrying Ethernet and storage traffic. Some aspects of the invention involve transforming FC frames into a format suitable for transport on an Ethernet. Some preferred implementations of the invention implement multiple virtual lanes (“VLs”) in a single physical connection of a data center or similar network. Some VLs are “drop” VLs, with Ethernet-like behavior, and others are “no-drop” lanes with FC-like behavior. Some preferred implementations of the invention provide guaranteed bandwidth based on credits and VL. Active buffer management allows for both high reliability and low latency while using small frame buffers. Preferably, the rules for active buffer management are different for drop and no drop VLs.
摘要翻译： 本发明提供了用于实现低延迟以太网（“LLE”）解决方案的方法和设备，这也被称为数据中心以太网（“DCE”）解决方案，其简化了数据中心的连接性并提供了高带宽，低 用于承载以太网和存储流量的延迟网络。 本发明的一些方面涉及将FC帧变换成适于在以太网上传输的格式。 本发明的一些优选实现在数据中心或类似网络的单个物理连接中实现多个虚拟通道（“VL”）。 一些VL是“下降”VL，具有类似以太网的行为，而其他VL是类似FC的行为的“不丢弃”通道。 本发明的一些优选实施方案提供了基于信用和VL的保证带宽。 使用小帧缓冲区时，主动缓冲区管理可实现高可靠性和低延迟。 优选地，用于主动缓冲器管理的规则对于丢弃和不丢弃VL是不同的。
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6.发明授权Method and apparatus for implementing forwarding decision shortcuts at a network switch 失效在网络交换机上实现转发决策快捷方式的方法和装置公开(公告)号：US06842453B1
公开(公告)日：2005-01-11
申请号：US09617581
申请日：2000-07-14
申请人： Ray Kloth , Thomas J. Edsall , Luca Cafiero
发明人： Ray Kloth , Thomas J. Edsall , Luca Cafiero
CPC分类号： H04L49/602 , H04L49/251 , H04L49/354
摘要： A shortcut technique implements forwarding decision shortcuts at a switch for frames routed between subnetworks of a computer network. The switch monitors the flow of a first frame of a particular type to and from the router, which renders a forwarding decision for routing the frame. The switch records information stored in network layer header of a packet encapsulated within the first frame, and then compares that information with the information stored in network layer headers of packets contained within subsequent frames of that particular type. Forwarding decisions for these subsequent frames are then rendered by hardware logic circuits of the switch rather than by the router.
摘要翻译： 快捷方法技术在交换机上实现了在计算机网络的子网之间路由的帧的转发决策快捷方式。 交换机监视特定类型的第一帧到路由器和从路由器的流程，这使得路由帧的转发决定。 交换机记录存储在第一帧中封装的分组的网络层报头中的信息，然后将该信息与存储在该特定类型的后续帧中的分组的网络层报头中存储的信息进行比较。 然后，这些后续帧的转发决定由交换机的硬件逻辑电路而不是由路由器呈现。
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7.发明授权公开(公告)号：US06762675B1
公开(公告)日：2004-07-13
申请号：US09406248
申请日：1999-09-27
IPC分类号： H04Q522
摘要： A network node determines the suitability of coupled devices for being remotely line powered before actually powering them. The node scan its ports to determine which ports are coupled to devices. The node then interrogates the coupled devices. A unique discovery tone or bit pattern is generated and sent to devices coupled to ports. The node then monitors the port for a return signal. If there is a return signal, it is compared to the transmitted discovery signal. The signal will be identical after allowing for line losses if the coupled device is suitable for remote line powering. If the comparison yields a match, the network node supplies remote line power to the device.
摘要翻译： 网络节点确定耦合设备在实际为其供电之前进行远程线路供电的适用性。 节点扫描其端口以确定哪些端口耦合到设备。 然后节点询问耦合的设备。 生成独特的发现音或位模式并将其发送到耦合到端口的设备。 然后该节点监视端口的返回信号。 如果有返回信号，则将其与发送的发现信号进行比较。 如果耦合器件适用于远程线路供电，信号将允许线路损耗相同。 如果比较产生匹配，则网络节点向设备提供远程线路电源。
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公开(公告)号：US08407394B2
公开(公告)日：2013-03-26
申请号：US11971091
申请日：2008-01-08
IPC分类号： G06F12/00
CPC分类号： G06F12/0292 , G06F12/06
摘要： This document discusses, among other things, an example system and methods for memory expansion. An example embodiment includes detecting a memory command directed to a logical rand and a number of physical ranks mapped to the logical rank. The example embodiment may also include issuing the memory command to the number of physical ranks based on determining that the memory command is to be issued to the number of physical ranks.
摘要翻译： 本文档还讨论了一个用于内存扩展的示例系统和方法。 示例实施例包括检测针对映射到逻辑秩的逻辑rand和多个物理等级的存储器命令。 该示例性实施例还可以包括基于确定存储器命令将被发布到物理等级的数量而将存储器命令发布到物理队列的数量。
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公开(公告)号：US07969971B2
公开(公告)日：2011-06-28
申请号：US11084587
申请日：2005-03-18
申请人： Silvano Gai , Thomas Edsall , Luca Cafiero , Davide Bergamasco , Dinesh Dutt , Flavio Bonomi
发明人： Silvano Gai , Thomas Edsall , Luca Cafiero , Davide Bergamasco , Dinesh Dutt , Flavio Bonomi
IPC分类号： H04L12/28
CPC分类号： H04L12/4633 , H04L12/4641 , H04L47/10 , H04L47/13 , H04L47/24 , H04L47/266 , H04L47/32 , H04L47/39 , H04L69/22
摘要： The present invention provides methods and devices for implementing a Low Latency Ethernet (“LLE”) solution, also referred to herein as a Data Center Ethernet (“DCE”) solution, which simplifies the connectivity of data centers and provides a high bandwidth, low latency network for carrying Ethernet and storage traffic. Some aspects of the invention involve transforming FC frames into a format suitable for transport on an Ethernet. Some preferred implementations of the invention implement multiple virtual lanes (“VLs”) in a single physical connection of a data center or similar network. Some VLs are “drop” VLs, with Ethernet-like behavior, and others are “no-drop” lanes with FC-like behavior. Some preferred implementations of the invention provide guaranteed bandwidth based on credits and VL. Active buffer management allows for both high reliability and low latency while using small frame buffers. Preferably, the rules for active buffer management are different for drop and no drop VLs.
摘要翻译： 本发明提供了用于实现低延迟以太网（“LLE”）解决方案的方法和设备，这也被称为数据中心以太网（“DCE”）解决方案，其简化了数据中心的连接性并提供了高带宽，低 用于承载以太网和存储流量的延迟网络。 本发明的一些方面涉及将FC帧变换成适于在以太网上传输的格式。 本发明的一些优选实现在数据中心或类似网络的单个物理连接中实现多个虚拟通道（“VL”）。 一些VL是“下降”VL，具有类似以太网的行为，而其他VL是类似FC的行为的“不丢弃”通道。 本发明的一些优选实施方案提供了基于信用和VL的保证带宽。 使用小帧缓冲区时，主动缓冲区管理可实现高可靠性和低延迟。 优选地，用于主动缓冲器管理的规则对于丢弃和不丢弃VL是不同的。
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公开(公告)号：US07849351B2
公开(公告)日：2010-12-07
申请号：US11000734
申请日：2004-11-30
申请人： Roger A. Karam , Luca Cafiero
发明人： Roger A. Karam , Luca Cafiero
IPC分类号： G06F11/00
CPC分类号： H04L1/22 , H04L12/10 , H04L41/0604
摘要： Redundancy of data and/or Inline Power in a wired data telecommunications network from a first network device and a second network device configured as power sourcing equipment (PSE) devices and coupled together and to a third network device (such as a PD) via a Y device is provided by providing redundant signaling to/from each of the pair of network devices, and coupling a port of each of the network devices to the Y device and from there to a third port where a third network device such as a PD may be coupled. Because the Y device is essentially passive, communications paths between the PSE devices and the PD are provided for negotiating master/slave status and other status and related information among the respective network devices. Dynamic impedance matching is provided to handle situations where not all devices are plugged in and as a communications technique among the devices.
摘要翻译： 有线数据电信网络中的数据和/或在线电力从第一网络设备和被配置为电源设备（PSE）设备的第二网络设备连接在一起并通过经由网络设备（例如PD）耦合到第三网络设备 Y设备通过向/从每对网络设备提供冗余信令来提供，并且将每个网络设备的端口耦合到Y设备，并从那里连接到第三端口，其中诸如PD的第三网络设备 耦合。 因为Y设备本质上是被动的，所以提供PSE设备和PD之间的通信路径用于在各个网络设备之间协商主/从状态和其他状态和相关信息。 提供动态阻抗匹配以处理不是所有设备插入的情况，以及设备之间的通信技术。
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