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71. 发明授权

US08493857B2 Multiple logical channels for use in network devices 有权
公开(公告)号：US08493857B2
公开(公告)日：2013-07-23
申请号：US13006968
申请日：2011-01-14
申请人： Shiri Kadambi , Shekhar Ambe , Mohan Kalkunte , Sandeep Relan , Allan Christie , Uri Elzur , Martin Lund , Daniel Talayco
发明人： Shiri Kadambi , Shekhar Ambe , Mohan Kalkunte , Sandeep Relan , Allan Christie , Uri Elzur , Martin Lund , Daniel Talayco
IPC分类号： H04L12/26
CPC分类号： H04L47/2433 , H04L12/4641 , H04L29/06 , H04L45/66 , H04L47/10 , H04L47/11 , H04L47/16 , H04L47/18 , H04L47/24 , H04L47/2441 , H04L47/266 , H04L47/29 , H04L47/30 , H04L47/33 , H04L47/50 , H04L47/6205 , H04L47/6215 , H04L47/6225 , H04L49/205 , H04L49/3018 , H04L49/351 , H04L49/50 , H04L49/508 , H04L49/90 , Y02D50/10
摘要： A method for establishing a virtual channel between network devices is disclosed. In the case of a local network device establishing a virtual channel with a remote network device, a virtual channel request message is sent from the local network device to the remote network device. A virtual channel acknowledgement message and a remote capability list are received and a virtual channel resume message and a local capability list are sent. The virtual channel is then enabled. In the case of a remote network device establishing a virtual channel with a local network device, a virtual channel request message is received from a local network device by a remote network device. A virtual channel acknowledgement message and a remote capability list are sent and a virtual channel resume message and a local capability list are received. The virtual channel is then enabled.

72. 发明申请

US20130151646A1 STORAGE TRAFFIC COMMUNICATION VIA A SWITCH FABRIC IN ACCORDANCE WITH A VLAN 有权
标题翻译：存储交换通过根据VLAN的开关织物
公开(公告)号：US20130151646A1
公开(公告)日：2013-06-13
申请号：US13544696
申请日：2012-07-09
申请人： Sriram Chidambaram , Akram A. Abou-Emara , Harinder Singh Bhasin , Nakul Pratap Saraiya , Jia-Jen Yeh , Christopher Dean Youngworth
发明人： Sriram Chidambaram , Akram A. Abou-Emara , Harinder Singh Bhasin , Nakul Pratap Saraiya , Jia-Jen Yeh , Christopher Dean Youngworth
IPC分类号： G06F15/173 , G06F15/167
CPC分类号： H04L49/3045 , H04L47/6205 , H04L47/6215 , H04L49/90 , H04L49/901 , H04L49/9094 , H04L67/1097
摘要： A plurality of SMP modules and an IOP module communicate storage traffic via respective corresponding I/O controllers coupled to respective physical ports of a switch fabric by addressing cells to physical port addresses corresponding to the physical ports. One of the SMPs executes initiator software to partially manage the storage traffic and the IOP executes target software to partially manage the storage traffic. Storage controllers are coupled to the IOP, enabling communication with storage devices, such as disk drives, tape drives, and/or networks of same. Respective network identification registers are included in each of the I/O controller corresponding to the SMP executing the initiator software and the I/O controller corresponding to the IOP. Transport of the storage traffic in accordance with a particular VLAN is enabled by writing a same particular value into each of the network identification registers.
摘要翻译：多个SMP模块和IOP模块通过将对应于物理端口的物理端口地址寻址到相应的物理端口地址，通过耦合到交换机结构的相应物理端口的相应对应的I / O控制器来传送存储业务。其中一个SMP执行启动器软件来部分管理存储流量，并且IOP执行目标软件以部分地管理存储流量。存储控制器耦合到IOP，实现与诸如磁盘驱动器，磁带驱动器和/或其它网络的存储设备的通信。相应的网络识别寄存器被包括在与执行启动器软件的SMP和对应于IOP的I / O控制器相对应的I / O控制器中。通过向每个网络识别寄存器写入相同的特定值来实现根据特定VLAN的存储流量的传输。

73. 发明授权

US08274971B2 Switch fabric with memory management unit for improved flow control 有权
标题翻译：具有内存管理单元的交换结构，以改善流量控制
公开(公告)号：US08274971B2
公开(公告)日：2012-09-25
申请号：US12419945
申请日：2009-04-07
申请人： James Battle , Daniel Tai
发明人： James Battle , Daniel Tai
IPC分类号： H04L12/50
CPC分类号： H04L12/5601 , H04L12/18 , H04L12/1881 , H04L45/00 , H04L45/245 , H04L45/54 , H04L45/745 , H04L47/10 , H04L47/2408 , H04L47/2425 , H04L47/2441 , H04L47/245 , H04L47/286 , H04L47/30 , H04L47/32 , H04L47/6205 , H04L47/6215 , H04L47/6225 , H04L49/101 , H04L49/201 , H04L49/203 , H04L49/205 , H04L49/25 , H04L49/254 , H04L49/30 , H04L49/309 , H04L49/352 , H04L49/608 , H04L49/90 , H04L49/901 , H04L49/9094 , H04L2012/5651 , H04L2012/5665 , H04L2012/5679 , H04L2012/5681 , H04L2012/5683 , Y02D50/30
摘要： A method for controlling a flow of packet data in a memory management unit of a network switch fabric is disclosed. A first portion of a data packet is received at a port on an ingress bus ring of the network switch fabric. A class of service for the data packet is determined based on the first portion and the portion is stored in a packer RAM of the port based on the class of service. Subsequent portions of the data packet are stored in the packer RAM. Once the predetermined number of portions have been received, the predetermined number of portions is sent to a packet pool RAM. A reference pointer to a first predetermined number of portions is sent to a transaction queue once an end of packet is detected and an egress scheduler detects a presence of a ready packet in the transaction queue and notifies an unpacker of the ready packet. The unpacker puts the ready packet into a FIFO and the ready packet is sent to an ingress/egress module.
摘要翻译：公开了一种用于控制网络交换结构的存储器管理单元中的分组数据流的方法。在网络交换结构的入口总线环上的端口处接收数据分组的第一部分。基于第一部分确定数据包的一类服务，并且该部分基于服务等级被存储在端口的封隔器RAM中。数据包的后续部分被存储在封隔器RAM中。一旦已经接收到预定数量的部分，则将预定数量的部分发送到分组池RAM。一旦检测到分组的结束，一个第一预定数量的部分的参考指针被发送到事务队列，并且出口调度器检测到事务队列中是否存在准备好的分组，并且向解包器通知就绪分组。解包器将准备好的数据包放入FIFO中，并将准备好的数据包发送到入口/出口模块。

74. 发明授权

US08218538B1 Storage gateway configuring and traffic processing 有权
标题翻译：存储网关配置和流量处理
公开(公告)号：US08218538B1
公开(公告)日：2012-07-10
申请号：US12954655
申请日：2010-11-25
申请人： Sriram Chidambaram , Akram A. Abou-Emara , Harinder Singh Bhasin , Nakul Pratap Saraiya , Jia-Jen Yeh , Christopher Dean Youngworth
发明人： Sriram Chidambaram , Akram A. Abou-Emara , Harinder Singh Bhasin , Nakul Pratap Saraiya , Jia-Jen Yeh , Christopher Dean Youngworth
IPC分类号： H04L12/50 , H04L12/28 , H04L12/56 , H04Q11/00
CPC分类号： H04L49/3045 , H04L47/6205 , H04L47/6215 , H04L49/90 , H04L49/901 , H04L49/9094 , H04L67/1097
摘要： In one aspect, initial storage system control information is received, and in response a configuration of a storage interface is determined in accordance with the initial storage system control information. Then final storage system control information is accessed via the storage interface and the storage interface is reconfigured in accordance with the final storage system control information. In another aspect, one of a plurality of physical partitions of a physically partitionable symmetric multiprocessor executes a storage control process to control storage traffic, and another one of the physical partitions executes a program to process the storage traffic. The physical partitions are enabled to communicate the storage traffic at least in part via respective input/output controllers coupled to a switch fabric. The partitionable symmetric multiprocessor has programmatically configurable links for selectively isolating shared memory coherency and cache memory coherency transactions between at least some included processors.
摘要翻译：在一个方面，接收初始存储系统控制信息，并且响应于根据初始存储系统控制信息来确定存储接口的配置。然后通过存储接口访问最终存储系统控制信息，并根据最终的存储系统控制信息对存储接口进行重新配置。在另一方面，物理上可分割的对称多处理器的多个物理分区之一执行存储控制过程以控制存储业务，并且另一个物理分区执行程序来处理存储业务。物理分区能够至少部分地通过耦合到交换结构的相应输入/输出控制器来传送存储业务。可分割对称多处理器具有可编程配置的链路，用于选择性地隔离至少一些所包括的处理器之间的共享存储器一致性和高速缓冲存储器一致性事务。

75. 发明申请

US20120008502A1 FLOW BASED CONGESTION CONTROL 有权
标题翻译：基于流量控制
公开(公告)号：US20120008502A1
公开(公告)日：2012-01-12
申请号：US13237630
申请日：2011-09-20
申请人： Shiri Kadambi , Shekhar Ambe , Mohan Kalkunte , Sandeep Relan
发明人： Shiri Kadambi , Shekhar Ambe , Mohan Kalkunte , Sandeep Relan
IPC分类号： H04L12/26
CPC分类号： H04L47/2433 , H04L12/4641 , H04L29/06 , H04L45/66 , H04L47/10 , H04L47/11 , H04L47/16 , H04L47/18 , H04L47/24 , H04L47/2441 , H04L47/266 , H04L47/29 , H04L47/30 , H04L47/33 , H04L47/50 , H04L47/6205 , H04L47/6215 , H04L47/6225 , H04L49/205 , H04L49/3018 , H04L49/351 , H04L49/50 , H04L49/508 , H04L49/90 , Y02D50/10
摘要： A method for selectively controlling the flow of data through a network device is discussed. The network device has a plurality of ports, with each port of the plurality of ports having a plurality of priority queues. Congestion at one priority queue of the plurality of priority queues is detected and a virtual channel message is sent to other network devices connected to the network device causing data destined for the one priority queue to be halted. After the congestion at the one priority queue has abated, a virtual channel resume message is sent to the other network devices.
摘要翻译：讨论了通过网络设备选择性地控制数据流的方法。网络设备具有多个端口，多个端口的每个端口具有多个优先级队列。检测到多个优先级队列的一个优先级队列的拥塞，并将虚拟频道消息发送到连接到网络设备的其他网络设备，从而导致去往一个优先级队列的数据被停止。在一个优先级队列的拥塞已经减轻之后，虚拟通道恢复消息被发送到其他网络设备。

76. 发明授权

US08089878B2 Allocating bandwidth in a resilient packet ring network by P controller 有权
标题翻译：通过P型控制器在弹性分组环网中分配带宽
公开(公告)号：US08089878B2
公开(公告)日：2012-01-03
申请号：US12479574
申请日：2009-06-05
申请人： Fahd Alharbi , Nirwan Ansari
发明人： Fahd Alharbi , Nirwan Ansari
IPC分类号： H04L12/26 , H04J3/16
CPC分类号： H04L12/437 , H04L12/42 , H04L47/10 , H04L47/12 , H04L47/283 , H04L47/50 , H04L47/521 , H04L47/6205 , H04L47/6255
摘要： Implementations and techniques for allocating bandwidth in a resilient packet ring network by a P-type controller are generally disclosed.
摘要翻译：通常公开了通过P型控制器在弹性分组环网中分配带宽的实现和技术。

77. 发明授权

US07995471B2 High-performance WiMAX QoS condition scheduling mechanism 有权
标题翻译：高性能WiMAX QoS条件调度机制
公开(公告)号：US07995471B2
公开(公告)日：2011-08-09
申请号：US11478877
申请日：2006-06-30
申请人： Qiuming Leng
发明人： Qiuming Leng
IPC分类号： H04L12/26 , H04L12/28 , H04L12/56 , H04L12/54
CPC分类号： H04L47/10 , H04L47/14 , H04L47/32 , H04L47/39 , H04L47/50 , H04L47/562 , H04L47/6205 , H04L47/626
摘要： Embodiments of a method and apparatus for a high performance worldwide interoperability for microwave access quality of service condition scheduling mechanism are generally described herein. Other embodiments may be described and claimed.
摘要翻译：本文总体上描述了用于微波接入质量服务条件调度机制的高性能全球互操作性的方法和装置的实施例。可以描述和要求保护其他实施例。

78. 发明申请

US20100309776A1 Allocating Bandwidth in a Resilient Packet Ring Network by P Controller 有权
标题翻译：通过P控制器在弹性分组环网中分配带宽
公开(公告)号：US20100309776A1
公开(公告)日：2010-12-09
申请号：US12479574
申请日：2009-06-05
申请人： Fahd Alharbi , Nirwan Ansari
发明人： Fahd Alharbi , Nirwan Ansari
IPC分类号： G06F11/00
CPC分类号： H04L12/437 , H04L12/42 , H04L47/10 , H04L47/12 , H04L47/283 , H04L47/50 , H04L47/521 , H04L47/6205 , H04L47/6255
摘要： Implementations and techniques for allocating bandwidth in a resilient packet ring network by a P-type controller are generally disclosed.
摘要翻译：通常公开了通过P型控制器在弹性分组环网中分配带宽的实现和技术。

79. 发明授权

US07826468B2 System and method for bypassing an output queue structure of a switch 有权
标题翻译：绕过交换机的输出队列结构的系统和方法
公开(公告)号：US07826468B2
公开(公告)日：2010-11-02
申请号：US11462402
申请日：2006-08-04
申请人： Takeshi Shimizu , Yukihiro Nakagawa
发明人： Takeshi Shimizu , Yukihiro Nakagawa
IPC分类号： H04L12/28
CPC分类号： H04L47/6205 , H04L47/50 , H04L47/527 , H04L49/254 , H04L49/3036
摘要： In particular embodiments of the present invention, a method for bypassing an output queue structure of a switch is provided. In a particular embodiment, a method for bypassing an output queue structure of a switch includes receiving a packet at an input port of a switch, storing the packet in a memory of the switch, and generating a forwarding request associated with the stored packet and with a particular output port of the switch, the forwarding request identifying the location in the memory of the stored packet. The method also includes determining whether to cause the forwarding request to bypass an output queue structure associated with the particular output port. The method further includes, using the forwarding request, retrieving from the memory the packet associated with the forwarding request and sending the retrieved packet from the particular output port.
摘要翻译：在本发明的特定实施例中，提供了一种绕过交换机的输出队列结构的方法。在特定实施例中，用于绕过交换机的输出队列结构的方法包括在交换机的输入端口处接收分组，将分组存储在交换机的存储器中，并且生成与所存储的分组相关联的转发请求以及与交换机的特定输出端口，转发请求标识存储的分组的存储器中的位置。该方法还包括确定是否使转发请求绕过与特定输出端口相关联的输出队列结构。所述方法还包括：使用所述转发请求，从所述存储器检索与所述转发请求相关联的分组，并从所述特定输出端口发送所检索的分组。

80. 发明授权

US07809007B2 Low cost implementation for a device utilizing look ahead congestion management 有权
标题翻译：低成本实施的设备利用前瞻性拥塞管理
公开(公告)号：US07809007B2
公开(公告)日：2010-10-05
申请号：US10794067
申请日：2004-03-05
申请人： David Mayhew , Karl Meier , Nathan Dohm
发明人： David Mayhew , Karl Meier , Nathan Dohm
IPC分类号： H04L12/28 , H04L12/26 , H04J3/26
CPC分类号： H04L47/6205
摘要： The invention utilizes a separate queue per output port as implemented in the traditional simple queuing schemes of the prior art. Further, it also uses the information found in the packet header to determine the output port and the next output port. Based on this information, it utilizes queues dedicated to congested flows, or “Congested Flow” queues. When the switch determines that, based on the first output port and the second subsequent output port, a packet in the output queue is destined for a congested path, it sets the offending packet aside in a Congested Flow queue, thereby allowing other packets destined for the first output port to continue to be transmitted. In this way, the HOL blocking issue is addressed, without the need for a significantly increased number of output queues.
摘要翻译：本发明利用在现有技术的传统简单排队方案中实现的每个输出端口的单独队列。此外，它还使用分组报头中找到的信息来确定输出端口和下一个输出端口。基于此信息，它利用专用于拥塞流或“拥塞流”队列的队列。当交换机确定基于第一输出端口和第二后续输出端口时，输出队列中的数据包将发往拥塞路径，它将违规数据包置于拥塞流队列中，从而允许其他数据包发往第一个输出端口继续传输。以这种方式，解决了HOL阻塞问题，而不需要显着增加输出队列数量。

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