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1. 发明授权

US10484518B2 Dynamic port type detection 有权
公开(公告)号：US10484518B2
公开(公告)日：2019-11-19
申请号：US16250166
申请日：2019-01-17
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Casimer DeCusatis , Rajaram B. Krishnamurthy
IPC分类号： G06F15/177 , H04L29/06 , H04L12/24 , H04L12/707
摘要： A default mode of operation for a link is set at a server upon initialization. A wait pulse repetition time and number of supported modes of operation are set at the server. A protocol identifier is set to the default mode. A link initialization frame including the protocol identifier is transmitted to a port of a switch. Based on failing to receive a handshake response to acknowledge successful decoding of the protocol identifier from the switch prior to expiration of the wait pulse repetition time: the protocol identifier is changed to a next mode of operation, the wait pulse repetition time is reset, and the link initialization frame is transmitted to the port of the switch. Changing the protocol identifier, resetting the wait pulse repetition time, and transmitting the link initialization frame are repeated until the handshake response is received or all supported modes of operation are checked.

2. 发明申请

US20190149639A1 DYNAMIC PORT TYPE DETECTION 审中-公开
公开(公告)号：US20190149639A1
公开(公告)日：2019-05-16
申请号：US16250166
申请日：2019-01-17
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Casimer DeCusatis , Rajaram B. Krishnamurthy
IPC分类号： H04L29/06 , H04L12/707 , H04L12/24
CPC分类号： H04L69/22 , H04L41/0809 , H04L41/0823 , H04L41/0866 , H04L45/24 , H04L69/18
摘要： A default mode of operation for a link is set at a server upon initialization. A wait pulse repetition time and number of supported modes of operation are set at the server. A protocol identifier is set to the default mode. A link initialization frame including the protocol identifier is transmitted to a port of a switch. Based on failing to receive a handshake response to acknowledge successful decoding of the protocol identifier from the switch prior to expiration of the wait pulse repetition time: the protocol identifier is changed to a next mode of operation, the wait pulse repetition time is reset, and the link initialization frame is transmitted to the port of the switch. Changing the protocol identifier, resetting the wait pulse repetition time, and transmitting the link initialization frame are repeated until the handshake response is received or all supported modes of operation are checked.

3. 发明授权

US09769074B2 Network per-flow rate limiting 有权
公开(公告)号：US09769074B2
公开(公告)日：2017-09-19
申请号：US13833886
申请日：2013-03-15
申请人： International Business Machines Corporation
发明人： Casimer DeCusatis , Rajaram B. Krishnamurthy
IPC分类号： H04L12/26 , H04L12/801
CPC分类号： H04L47/12 , H04L43/0882
摘要： A method of monitoring data flow in a network is provided. The method includes: configuring a data flow including a plurality of data packets by a switch controller, the switch controller configured to control routing through the switch and switch configuration, wherein configuring includes storing an indication of a flow control policy in one or more of the data packets; monitoring a network switch receiving the data flow, wherein monitoring includes determining flow statistics in the switch; determining whether a congestion condition exists for the data flow based on the flow statistics and the flow control policy; and based on determining that the congestion condition exists for the data flow, performing a remedial action specific to the data flow to address the congestion condition.

4. 发明授权

US09571610B2 Dynamic port type detection 有权
公开(公告)号：US09571610B2
公开(公告)日：2017-02-14
申请号：US13833798
申请日：2013-03-15
申请人： International Business Machines Corporation
发明人： Casimer DeCusatis , Rajaram B. Krishnamurthy
IPC分类号： G06F15/177 , H04L29/06 , H04L12/24
CPC分类号： H04L69/22 , H04L41/0809 , H04L41/0823 , H04L41/0866 , H04L45/24 , H04L69/18
摘要： An aspect includes dynamic port type detection. A link initialization frame that includes a protocol identifier is received at a port of a switch. Based on successfully decoding the protocol identifier, the port is configured to a mode of operation compatible with the protocol identifier. A table in the switch is updated to configure one or more other ports of the switch to the mode of operation compatible with the protocol identifier. A handshake response is sent to acknowledge the successful decoding of the protocol identifier. If no handshake response is received at a server prior to expiration of a wait pulse repetition time, the server periodically transmits the link initialization frame with a different protocol identifier for an alternate mode of operation until the handshake response is received or all supported modes of operation are checked.

5. 发明授权

US09110866B2 OpenFlow controller master-slave initialization protocol 有权
标题翻译： OpenFlow控制器主从初始化协议
公开(公告)号：US09110866B2
公开(公告)日：2015-08-18
申请号：US14502043
申请日：2014-09-30
申请人： International Business Machines Corporation
发明人： Casimer DeCusatis , Rajaram B. Krishnamurthy
IPC分类号： G06F11/00 , G06F11/20
CPC分类号： G06F11/2005 , G06F2201/805 , G06F2201/85 , H04L41/0668 , H04L41/0695 , H04L41/30
摘要： A method for network controller initialization that includes identifying a controller connected to a network as a primary controller that manages switches in the network. One or more other controllers connected to the network are identified as secondary controllers. A failover priority table is created. The failover table indicates an order that the one or more other controllers will replace the controller as the primary controller in the event that the controller enters a failure mode. The failover priority table is broadcast to the switches in the network.
摘要翻译：一种用于网络控制器初始化的方法，包括将连接到网络的控制器识别为管理网络中的交换机的主控制器。连接到网络的一个或多个其他控制器被标识为二级控制器。创建故障切换优先级表。故障转移表指示在控制器进入故障模式的情况下，一个或多个其他控制器将替换控制器作为主控制器的命令。故障切换优先级表广播到网络中的交换机。

6. 发明申请

US20140084314A1 INJECTION MOLDED MICROOPTICS 有权
标题翻译：注射成型微波
公开(公告)号：US20140084314A1
公开(公告)日：2014-03-27
申请号：US14026598
申请日：2013-09-13
申请人： International Business Machines Corporation
发明人： Lawrence Jacobowitz , Stephen Buchwalter , Casimer DeCusatis , Peter A/ Gruber , Da-Yuan Shih
IPC分类号： H01L33/58 , H01L31/0232
CPC分类号： H01L27/14685 , B29D11/00365 , B29D11/00461 , B82Y30/00 , G02B3/0018 , G02B3/0056 , G02F1/137 , G02F1/29 , H01L27/14627 , H01L31/02327 , H01L33/58
摘要： A wafer-scale apparatus and method is described for the automation of forming, aligning and attaching two-dimensional arrays of microoptic elements on semiconductor and other image display devices, backplanes, optoelectronic boards, and integrated optical systems. In an ordered fabrication sequence, a mold plate comprised of optically designed cavities is formed by reactive ion etching or alternative processes, optionally coated with a release material layer and filled with optically specified materials by an automated fluid-injection and defect-inspection subsystem. Optical alignment fiducials guide the disclosed transfer and attachment processes to achieve specified tolerances between the microoptic elements and corresponding optoelectronic devices and circuits. The present invention applies to spectral filters, waveguides, fiber-optic mode-transformers, diffraction gratings, refractive lenses, diffractive lens/Fresnel zone plates, reflectors, and to combinations of elements and devices, including microelectromechanical systems (MEMS) and liquid crystal device (LCD) matrices for adaptive, tunable elements. Preparation of interfacial layer properties and attachment process embodiments are taught.
摘要翻译：描述了用于在半导体和其他图像显示装置，背板，光电板和集成光学系统上形成，对准和附着微量元件的二维阵列的自动化的晶片级装置和方法。在有序的制造顺序中，由光学设计的空腔构成的模具板通过反应离子蚀刻或可选的工艺形成，任选地涂覆有释放材料层，并通过自动化流体注入和缺陷检查子系统填充光学特定的材料。光学校准基准指导所公开的转移和附着过程以实现微光学元件与对应的光电器件和电路之间的特定公差。本发明适用于光谱滤波器，波导管，光纤模式变压器，衍射光栅，折射透镜，衍射透镜/菲涅耳带片，反射器以及元件和器件的组合，包括微机电系统（MEMS）和液晶器件（LCD）矩阵，用于自适应，可调元素。教导界面层性质和附着工艺实施例的制备。

7. 发明授权

US10833120B2 Injection molded microoptics 有权
公开(公告)号：US10833120B2
公开(公告)日：2020-11-10
申请号：US16578827
申请日：2019-09-23
申请人： International Business Machines Corporation
发明人： Lawrence Jacobowitz , Stephen Buchwalter , Casimer DeCusatis , Peter A. Gruber , Da-Yuan Shih
IPC分类号： H01L27/146 , H01L31/0232 , B29D11/00 , B82Y30/00 , G02B3/00 , H01L33/58 , G02F1/137 , G02F1/29
摘要： A wafer-scale apparatus and method is described for the automation of forming, aligning and attaching two-dimensional arrays of microoptic elements on semiconductor and other image display devices, backplanes, optoelectronic boards, and integrated optical systems. In an ordered fabrication sequence, a mold plate comprised of optically designed cavities is formed by reactive ion etching or alternative processes, optionally coated with a release material layer and filled with optically specified materials by an automated fluid-injection and defect-inspection subsystem. Optical alignment fiducials guide the disclosed transfer and attachment processes to achieve specified tolerances between the microoptic elements and corresponding optoelectronic devices and circuits. The present invention applies to spectral filters, waveguides, fiber-optic mode-transformers, diffraction gratings, refractive lenses, diffractive lens/Fresnel zone plates, reflectors, and to combinations of elements and devices, including microelectromechanical systems and liquid crystal device matrices for adaptive, tunable elements. Preparation of interfacial layer properties and attachment process embodiments are taught.

8. 发明申请

US20170033153A1 INJECTION MOLDED MICROOPTICS 审中-公开
标题翻译：注射成型微波
公开(公告)号：US20170033153A1
公开(公告)日：2017-02-02
申请号：US15294283
申请日：2016-10-14
申请人： International Business Machines Corporation
发明人： Lawrence Jacobowitz , Stephen Buchwalter , Casimer DeCusatis , Peter A. Gruber , Da-Yuan Shih
IPC分类号： H01L27/146 , G02F1/137 , G02B3/00 , G02F1/29 , H01L33/58 , H01L31/0232
CPC分类号： H01L27/14685 , B29D11/00365 , B29D11/00461 , B82Y30/00 , G02B3/0018 , G02B3/0056 , G02F1/137 , G02F1/29 , H01L27/14627 , H01L31/02327 , H01L33/58
摘要： A wafer-scale apparatus and method is described for the automation of forming, aligning and attaching two-dimensional arrays of microoptic elements on semiconductor and other image display devices, backplanes, optoelectronic boards, and integrated optical systems. In an ordered fabrication sequence, a mold plate comprised of optically designed cavities is formed by reactive ion etching or alternative processes, optionally coated with a release material layer and filled with optically specified materials by an automated fluid-injection and defect-inspection subsystem. Optical alignment fiducials guide the disclosed transfer and attachment processes to achieve specified tolerances between the microoptic elements and corresponding optoelectronic devices and circuits. The present invention applies to spectral filters, waveguides, fiber-optic mode-transformers, diffraction gratings, refractive lenses, diffractive lens/Fresnel zone plates, reflectors, and to combinations of elements and devices, including microelectromechanical systems (MEMS) and liquid crystal device (LCD) matrices for adaptive, tunable elements. Preparation of interfacial layer properties and attachment process embodiments are taught.
摘要翻译：描述了用于在半导体和其他图像显示装置，背板，光电板和集成光学系统上形成，对准和附着微量元件的二维阵列的自动化的晶片级装置和方法。在有序的制造顺序中，由光学设计的空腔构成的模具板通过反应离子蚀刻或可选的工艺形成，任选地涂覆有释放材料层，并通过自动化流体注入和缺陷检查子系统填充光学特定的材料。光学校准基准指导所公开的转移和附着过程以实现微光学元件与对应的光电器件和电路之间的特定公差。本发明适用于光谱滤波器，波导管，光纤模式变压器，衍射光栅，折射透镜，衍射透镜/菲涅耳带片，反射器以及元件和器件的组合，包括微机电系统（MEMS）和液晶器件（LCD）矩阵，用于自适应，可调元素。教导界面层性质和附着工艺实施例的制备。

9. 发明授权

US09503382B2 Scalable flow and cogestion control with openflow 有权
标题翻译：可扩展的流量和开放式灌装控制
公开(公告)号：US09503382B2
公开(公告)日：2016-11-22
申请号：US14501945
申请日：2014-09-30
申请人： International Business Machines Corporation
发明人： Casimer DeCusatis , Petrini Fabrizio , Rajaram B. Krishnamurthy
IPC分类号： H04L12/825 , H04L12/801 , H04L12/819 , H04L12/54
CPC分类号： H04L47/25 , H04L47/10 , H04L47/11 , H04L47/12 , H04L47/21 , H04L47/215
摘要： A method of performing congestion management in a network is provided. The method includes monitoring a congestion status at a switch in the network. It is determined at the switch that the congestion status indicates that there is congestion at the switch. Based on the congestion being related to data received at the switch from a source at a first rate, a first message is transmitted from the switch to the source requesting the source to send the data at a second rate that is slower than the first rate. Based on the congestion being related to data requests received at the switch from a destination at third rate, a second message is transmitted from the switch to the destination requesting the destination to request the data at a fourth rate slower than the third rate.
摘要翻译：提供一种在网络中进行拥塞管理的方法。该方法包括监视网络中交换机的拥塞状态。交换机确定拥塞状态表示交换机处于拥塞状态。基于与以第一速率从源切换接收的数据相关的拥塞，从交换机向源发送第一消息，请求源以比第一速率慢的第二速率发送数据。基于与以第三速率从目的地的交换机接收的数据请求相关的拥塞，从交换机向目的地发送第二消息，请求目的地以比第三速率慢的第四速率请求数据。

10. 发明授权

US09104643B2 OpenFlow controller master-slave initialization protocol 有权
公开(公告)号：US09104643B2
公开(公告)日：2015-08-11
申请号：US13833848
申请日：2013-03-15
申请人： International Business Machines Corporation
发明人： Casimer DeCusatis , Rajaram B. Krishnamurthy
IPC分类号： G06F11/00 , G06F11/20
CPC分类号： G06F11/2005 , G06F2201/805 , G06F2201/85 , H04L41/0668 , H04L41/0695 , H04L41/30
摘要： A method for network controller initialization that includes identifying a controller connected to a network as a primary controller that manages switches in the network. One or more other controllers connected to the network are identified as secondary controllers. A failover priority table is created. The failover table indicates an order that the one or more other controllers will replace the controller as the primary controller in the event that the controller enters a failure mode. The failover priority table is broadcast to the switches in the network.

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