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11. 发明授权

US08964600B2 Methods of forming virtual network overlays 有权
标题翻译：形成虚拟网络覆盖的方法
公开(公告)号：US08964600B2
公开(公告)日：2015-02-24
申请号：US13454840
申请日：2012-04-24
申请人： Amitabha Biswas , Jayakrishna Kidambi , Nilanjan Mukherjee , Vijoy A. Pandey
发明人： Amitabha Biswas , Jayakrishna Kidambi , Nilanjan Mukherjee , Vijoy A. Pandey
IPC分类号： H04L12/28 , H04L12/715 , H04L12/931 , H04L12/46 , H04L29/08 , G06F9/455
CPC分类号： H04L12/4641 , G06F9/45558 , G06F2009/45595 , H04L12/4633 , H04L12/4679 , H04L45/64 , H04L45/74 , H04L49/00 , H04L49/356 , H04L49/70 , H04L67/2804
摘要： Methods are provided for overlaying a virtual network on a physical network in a data center environment. An overlay system is arranged in an overlay virtual network to include an overlay agent and an overlay helper. The overlay agent is implemented in an access switch. The overlay helper is implemented in an end station that is in communication with the access switch. Overlay parameters in compliance with an in-band protocol are transmitted between the overlay agent and the overlay helper.
摘要翻译：提供了用于在数据中心环境中的物理网络上覆盖虚拟网络的方法。覆盖系统布置在覆盖虚拟网络中以包括覆盖代理和覆盖帮助器。覆盖代理在接入交换机中实现。覆盖帮助器在与接入交换机通信的终端站中实现。覆盖代理和覆盖帮助器之间传输符合带内协议的覆盖参数。

12. 发明授权

US08750307B2 Mac learning in a trill network 有权
标题翻译： Mac学习在颤抖的网络
公开(公告)号：US08750307B2
公开(公告)日：2014-06-10
申请号：US13315463
申请日：2011-12-09
申请人： Keshav Kamble , Dar-Ren Leu , Nilanjan Mukherjee , Vijoy A Pandey
发明人： Keshav Kamble , Dar-Ren Leu , Nilanjan Mukherjee , Vijoy A Pandey
IPC分类号： H04L12/28
CPC分类号： H04L41/0654 , H04L45/245 , H04L45/28 , H04L45/66 , Y02D50/30
摘要： A switch of a data network implements both a bridge and a virtual bridge. In response to receipt of a data frame by the switch from an external link, the switch performs a lookup in a data structure using a source media access control (SMAC) address specified by the data frame. The switch determines if the external link is configured in a link aggregation group (LAG) and if the SMAC address is newly learned. In response to a determination that the external link is configured in a LAG and the SMAC address is newly learned, the switch associates the SMAC with the virtual bridge and communicates the association to a plurality of bridges in the data network.
摘要翻译：数据网络的交换机既实现了桥接器又实现了一个虚拟桥接器。响应于交换机从外部链路接收到数据帧，交换机使用由数据帧指定的源媒体访问控制（SMAC）地址在数据结构中执行查找。交换机确定在链路聚合组（LAG）中是否配置了外部链路，如果新学习到SMAC地址。响应于外部链路被配置在LAG中并且新学习到SMAC地址的确定，交换机将SMAC与虚拟网桥相关联，并将该关联传送到数据网络中的多个网桥。

13. 发明申请

US20130242999A1 Scalable Virtual Appliance Cloud (SVAC) and Methods Usable in an SVAC 有权
标题翻译：可扩展虚拟设备云（SVAC）和SVAC中可用的方法
公开(公告)号：US20130242999A1
公开(公告)日：2013-09-19
申请号：US13484216
申请日：2012-05-30
申请人： Keshav G. Kamble , Dar-Ren Leu , Nilanjan Mukherjee , Vijoy A. Pandey
发明人： Keshav G. Kamble , Dar-Ren Leu , Nilanjan Mukherjee , Vijoy A. Pandey
IPC分类号： H04L12/56
CPC分类号： H04L63/101 , G06F9/45558 , H04L45/64 , H04L47/125
摘要： According to one embodiment, a method for providing scalable virtual appliance cloud (SVAC) services includes receiving incoming data traffic having multiple packets directed toward a SVAC using at least one switching distributed line card (DLC), determining that a packet satisfies a condition of an access control list (ACL), designating a destination port to send the packet based on the condition of the ACL being satisfied, fragmenting the packet into cells, wherein the designated destination port is stored in a cell header of the cells, sending the cells to the destination port via at least one switch fabric controller (SFC), receiving the cells at a fabric interface of an appliance DLC, reassembling the cells into a second packet, performing one or more services on the second packet using the appliance DLC, and sending the second packet to its intended port.
摘要翻译：根据一个实施例，一种用于提供可伸缩虚拟设备云（SVAC）服务的方法包括使用至少一个交换分布式线卡（DLC）接收具有指向SVAC的多个分组的输入数据业务，确定分组满足条件访问控制列表（ACL），根据满足ACL的条件指定发送分组的目的地端口，将分组分段成小区，其中指定的目的地端口存储在小区的小区头部中，将小区发送到经由至少一个交换结构控制器（SFC）的目的地端口，在设备DLC的结构接口处接收小区，将小区重新组合成第二分组，使用设备DLC在第二分组上执行一个或多个服务，以及发送第二个数据包到其预定端口。

14. 发明申请

US20130044631A1 METHODS OF FORMING VIRTUAL NETWORK OVERLAYS 有权
标题翻译：形成虚拟网络覆盖的方法
公开(公告)号：US20130044631A1
公开(公告)日：2013-02-21
申请号：US13454840
申请日：2012-04-24
申请人： Amitabha Biswas , Jayakrishna Kidambi , Nilanjan Mukherjee , Vijoy A. Pandey
发明人： Amitabha Biswas , Jayakrishna Kidambi , Nilanjan Mukherjee , Vijoy A. Pandey
IPC分类号： H04L12/56 , H04L12/28
CPC分类号： H04L12/4641 , G06F9/45558 , G06F2009/45595 , H04L12/4633 , H04L12/4679 , H04L45/64 , H04L45/74 , H04L49/00 , H04L49/356 , H04L49/70 , H04L67/2804
摘要： Methods are provided for overlaying a virtual network on a physical network in a data center environment. An overlay system is arranged in an overlay virtual network to include an overlay agent and an overlay helper. The overlay agent is implemented in an access switch. The overlay helper is implemented in an end station that is in communication with the access switch. Overlay parameters in compliance with an in-band protocol are transmitted between the overlay agent and the overlay helper.
摘要翻译：提供了用于在数据中心环境中的物理网络上覆盖虚拟网络的方法。覆盖系统布置在覆盖虚拟网络中以包括覆盖代理和覆盖帮助器。覆盖代理在接入交换机中实现。覆盖帮助器在与接入交换机通信的终端站中实现。覆盖代理和覆盖帮助器之间传输符合带内协议的覆盖参数。

15. 发明申请

US20130044629A1 VIRTUAL NETWORK OVERLAYS AND METHODS OF FORMING THEREOF 有权
标题翻译：虚拟网络覆盖及其形成方法
公开(公告)号：US20130044629A1
公开(公告)日：2013-02-21
申请号：US13212790
申请日：2011-08-18
申请人： Amitabha Biswas , Jayakrishna Kidambi , Nilanjan Mukherjee , Vijoy A. Pandey
发明人： Amitabha Biswas , Jayakrishna Kidambi , Nilanjan Mukherjee , Vijoy A. Pandey
IPC分类号： H04L12/56
CPC分类号： H04L12/4641 , G06F9/45558 , G06F2009/45595 , H04L12/4633 , H04L12/4679 , H04L45/64 , H04L45/74 , H04L49/00 , H04L49/356 , H04L49/70 , H04L67/2804
摘要： Systems are provided for overlaying a virtual network on a physical network in a data center environment. An overlay system is arranged in an overlay virtual network to include an overlay agent and an overlay helper. The overlay agent is implemented in an access switch. The overlay helper is implemented in an end station that is in communication with the access switch. Overlay parameters in compliance with an in-band protocol are transmitted between the overlay agent and the overlay helper.
摘要翻译：提供系统以在数据中心环境中的物理网络上覆盖虚拟网络。覆盖系统布置在覆盖虚拟网络中以包括覆盖代理和覆盖帮助器。覆盖代理在接入交换机中实现。覆盖帮助器在与接入交换机通信的终端站中实现。覆盖代理和覆盖帮助器之间传输符合带内协议的覆盖参数。

16. 发明申请

US20120324460A1 Thread Execution in a Computing Environment 有权
标题翻译：线程在计算环境中执行
公开(公告)号：US20120324460A1
公开(公告)日：2012-12-20
申请号：US13602365
申请日：2012-09-04
申请人： Dayavanti G. Kamath , Nirapada Ghosh , Dar-ren Leu , Nilanjan Mukherjee , Vijoy Pandey
发明人： Dayavanti G. Kamath , Nirapada Ghosh , Dar-ren Leu , Nilanjan Mukherjee , Vijoy Pandey
IPC分类号： G06F9/46
CPC分类号： G06F9/52 , G06F9/4881 , G06F2209/486
摘要： A technique for executing normally interruptible threads of a process in a non-preemptive manner includes in response to a first entry associated with a first message for a first thread reaching a head of a run queue, receiving, by the first thread, a first wake-up signal. In response to receiving the wake-up signal, the first thread waits for a global lock. In response to the first thread receiving the global lock, the first thread retrieves the first message from an associated message queue and processes the retrieved first message. In response to completing the processing of the first message, the first thread transmits a second wake-up signal to a second thread whose associated entry is next in the run queue. Finally, following the transmitting of the second wake-up signal, the first thread releases the global lock.
摘要翻译：用于以非预先方式执行进程的正常可中断线程的技术包括响应于与第一消息相关联的第一条目，用于第一线程到达运行队列的头部，由第一线程接收第一唤醒 -up信号。响应于接收到唤醒信号，第一个线程等待一个全局锁定。响应于接收全局锁的第一线程，第一线程从相关联的消息队列中检索第一消息并处理检索到的第一消息。响应于完成第一消息的处理，第一线程向第二线程发送第二唤醒信号，该第二线程的相关条目在下一个运行队列中。最后，在发送第二个唤醒信号之后，第一个线程释放全局锁定。

17. 发明申请

US20120320749A1 DATA TRAFFIC HANDLING IN A DISTRIBUTED FABRIC PROTOCOL (DFP) SWITCHING NETWORK ARCHITECTURE 有权
公开(公告)号：US20120320749A1
公开(公告)日：2012-12-20
申请号：US13594993
申请日：2012-08-27
申请人： Keshav Kamble , Amitabha Biswas , Dar-ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey
发明人： Keshav Kamble , Amitabha Biswas , Dar-ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey
IPC分类号： H04L12/24 , H04L12/56
CPC分类号： H04L49/70 , H04L47/20 , H04L47/627 , H04L49/356
摘要： A switching network includes an upper tier having a master switch and a lower tier including a plurality of lower tier entities. The master switch, which has a plurality of ports each coupled to a respective lower tier entity, implements on each of the ports a plurality of virtual ports each corresponding to a respective one of a plurality of remote physical interfaces (RPIs) at the lower tier entity coupled to that port. Data traffic communicated between the master switch and RPIs is queued within virtual ports that correspond to the RPIs with which the data traffic is communicated. The master switch applies data handling to the data traffic in accordance with a control policy based at least upon the virtual port in which the data traffic is queued, such that the master switch applies different policies to data traffic queued to two virtual ports on the same port of the master switch.

18. 发明申请

US20120287785A1 DATA TRAFFIC HANDLING IN A DISTRIBUTED FABRIC PROTOCOL (DFP) SWITCHING NETWORK ARCHITECTURE 审中-公开
标题翻译：分布式织物协议（DFP）切换网络架构中的数据传输处理
公开(公告)号：US20120287785A1
公开(公告)日：2012-11-15
申请号：US13107895
申请日：2011-05-14
申请人： Keshav Kamble , Amitabha Biswas , Dar-ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey
发明人： Keshav Kamble , Amitabha Biswas , Dar-ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey
IPC分类号： H04L12/26 , H04L12/56
CPC分类号： H04L49/70 , H04L47/20 , H04L47/627 , H04L49/356
摘要： A switching network includes an upper tier having a master switch and a lower tier including a plurality of lower tier entities. The master switch, which has a plurality of ports each coupled to a respective lower tier entity, implements on each of the ports a plurality of virtual ports each corresponding to a respective one of a plurality of remote physical interfaces (RPIs) at the lower tier entity coupled to that port. Data traffic communicated between the master switch and RPIs is queued within virtual ports that correspond to the RPIs with which the data traffic is communicated. The master switch applies data handling to the data traffic in accordance with a control policy based at least upon the virtual port in which the data traffic is queued, such that the master switch applies different policies to data traffic queued to two virtual ports on the same port of the master switch.
摘要翻译：交换网络包括具有主交换机的上层和包括多个下层实体的较低层。主交换机具有多个端口，每个端口各自耦合到相应的下层实体，在每个端口上实现多个虚拟端口，每个虚拟端口对应于下层的多个远程物理接口（RPI）中的相应一个实体耦合到该端口。在主交换机和RPI之间通信的数据业务在对应于数据业务与之通信的RPI的虚拟端口内排队。主交换机至少基于数据流量排队的虚拟端口，根据控制策略对数据流量应用数据处理，使得主交换机将不同的策略应用于排队到同一个虚拟端口的数据业务主交换机的端口

19. 发明授权

US08024387B2 Method for synthesizing linear finite state machines 有权
标题翻译：线性有限状态机的合成方法
公开(公告)号：US08024387B2
公开(公告)日：2011-09-20
申请号：US11894393
申请日：2007-08-20
申请人： Janusz Rajski , Jerzy Tyszer , Mark Kassab , Nilanjan Mukherjee
发明人： Janusz Rajski , Jerzy Tyszer , Mark Kassab , Nilanjan Mukherjee
IPC分类号： G06F7/58
CPC分类号： G06F7/584 , G06F2207/583 , H03K3/84
摘要： Method and apparatus for synthesizing high-performance linear finite state machines (LFSMs) such as linear feedback shift registers (LFSRs) or cellular automata (CA). Given a characteristic polynomial for the circuit, the method obtains an original LFSM circuit such as a type I or type II LFSR. Feedback connections within the original circuit are then determined. Subsequently, a number of transformations that shift the feedback connections can be applied in such a way that properties of the original circuit are preserved in a modified LFSM circuit. In particular, if the original circuit is represented by a primitive characteristic polynomial, the method preserves the maximum-length property of the original circuit in the modified circuit and enables the modified circuit to produce the same m-sequence as the original circuit. Through the various transformations, a modified LFSM circuit can be created that provides higher performance through shorter feedback connection lines, fewer levels of logic, and lower internal fan-out.
摘要翻译：用于合成诸如线性反馈移位寄存器（LFSR）或细胞自动机（CA）的高性能线性有限状态机（LFSM）的方法和装置。给定电路的特征多项式，该方法获得原始的LFSM电路，如I型或II型LFSR。然后确定原始电路内的反馈连接。随后，可以以使原始电路的特性保留在修改的LFSM电路中的方式来应用移动反馈连接的多个变换。特别地，如果原始电路由原始特征多项式表示，则该方法保留修改电路中原始电路的最大长度特性，并使修改电路能够产生与原始电路相同的m序列。通过各种转换，可以创建一个修改后的LFSM电路，通过较短的反馈连接线路提供更高的性能，更低的逻辑电平和更低的内部扇出。

20. 发明申请

US20110214026A1 CONTINUOUS APPLICATION AND DECOMPRESSION OF TEST PATTERNS AND SELECTIVE COMPACTION OF TEST RESPONSES 有权
标题翻译：测试模式的连续应用和分解以及测试响应的选择性压缩
公开(公告)号：US20110214026A1
公开(公告)日：2011-09-01
申请号：US13013712
申请日：2011-01-25
申请人： Janusz Rajski , Jerzy Tyszer , Mark Kassab , Nilanjan Mukherjee
发明人： Janusz Rajski , Jerzy Tyszer , Mark Kassab , Nilanjan Mukherjee
IPC分类号： G06F11/25
CPC分类号： G01R31/318547
摘要： A method for applying test patterns to scan chains in a circuit-under-test. The method includes providing a compressed test pattern of bits; decompressing the compressed test pattern into a decompressed test pattern of bits as the compressed test pattern is being provided; and applying the decompressed test pattern to scan chains of the circuit-under-test. The actions of providing the compressed test pattern, decompressing the compressed test pattern, and applying the decompressed pattern are performed synchronously at the same or different clock rates, depending on the way in which the decompressed bits are to be generated. A circuit that performs the decompression includes a decompressor such as a linear finite state machine adapted to receive a compressed test pattern of bits. The decompressor decompresses the test pattern into a decompressed test pattern of bits as the compressed test pattern is being received.
摘要翻译：在测试电路中将测试图案应用于扫描链的方法。该方法包括提供比特的压缩测试模式; 将压缩的测试图案解压缩为被提供的压缩测试图案的解压缩测试图案; 以及将解压缩的测试图案应用于扫描电路被测电路。取决于要生成解压缩位的方式，以相同或不同的时钟速率同步地执行提供压缩测试模式，解压缩压缩测试模式和应用解压缩模式的动作。执行解压缩的电路包括解压缩器，例如适于接收压缩的位测试模式的线性有限状态机。解压缩器将压缩的测试模式正在接收时，将测试模式解压缩为解压缩的位测试模式。

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