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公开(公告)号：US11496402B2
公开(公告)日：2022-11-08
申请号：US16802233
申请日：2020-02-26
IPC分类号： H04L47/20 , H04L45/745 , H04L49/25 , H04L49/00 , H04L47/32 , H04L49/253 , H04L49/356
摘要： System and method for aggressive credit waiting in a high performance computing environment. In accordance with an embodiment, systems and methods can provide for an indexed matrix of credit wait policies between ports within a single switch. In addition, systems and methods can provide for an array of credit wait polices at an egress port from a switch, the array being indexed by virtual lane.
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公开(公告)号：US10666611B2
公开(公告)日：2020-05-26
申请号：US15656962
申请日：2017-07-21
IPC分类号： H04L29/12 , H04L12/931 , H04L12/741 , H04L29/06 , H04L12/947 , H04L12/761 , H04L12/935
摘要： System and method for supporting multiple concurrent SL to VL mappings in a high performance computing environment. In accordance with an embodiment, systems and methods can provide for two or more SL to VL mappings per ingress switch port in a network switched fabric. By allowing for multiple such mappings, greater virtual lane independence can be achieved while continuing to achieve quality of service guarantees.
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公开(公告)号：US10581713B2
公开(公告)日：2020-03-03
申请号：US16259901
申请日：2019-01-28
IPC分类号： H04L12/26 , G06F9/451 , G06F11/30 , G11C15/00 , H04L12/813 , H04L29/08 , H04L12/743 , H04L12/947 , H04L12/931 , H04L29/06 , H04L12/911
摘要： System and method for using multiple global identification subnet prefix values in a network switch environment in a high performance computing environment. A packet is received from a network fabric by a first Host Channel Adapter (HCA). The packet has a header portion including a destination subnet prefix identifying a destination subnet of the network fabric. The network HCA is allowed to receive the first packet from a port of the network HCA by selectively determining a logical state of a flag and, selectively in accordance with a predetermined logical state of the flag, ignoring the destination subnet prefix identifying the destination subnet of the network fabric.
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公开(公告)号：US10230607B2
公开(公告)日：2019-03-12
申请号：US15416642
申请日：2017-01-26
IPC分类号： H04L12/931 , H04L12/26 , G06F11/30 , G11C15/00 , H04L12/813 , H04L29/08 , H04L12/743 , H04L12/947 , H04L29/06 , H04L12/911
摘要： System and method for supporting intra- and inter-subnet address resolution in a network environment using the same linear forwarding tale (LFT) for both the intra- and inter-subnet forwarding. Subnet prefix values in global route headers (GRHs) are used for linear forwarding table (LFT) lookup in a high performance computing environments. An exemplary can provide for use of an Inter Subnet Route Number (ISRN) embedded in the subnet prefix values in the GRHs for LFT lookup in a network switch environment in a high performance computing environment such as a network having an InfiniBand (IB) architecture. A method can provide, at a computer environment, including a network fabric, one or more subnets, each of which subnets are associated with one or more network switches or hosts. The system and method is compatible with legacy switches and nodes that are not conversant with the ISRNs.
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5.发明申请公开(公告)号：US20170324848A1
公开(公告)日：2017-11-09
申请号：US15656951
申请日：2017-07-21
IPC分类号： H04L29/06 , H04L12/947 , H04L12/18 , H04L29/12 , H04L12/931 , H04L12/741 , H04L12/46 , H04L12/761
CPC分类号： H04L69/22 , G06F2201/88 , H04L12/185 , H04L12/1886 , H04L12/4641 , H04L45/16 , H04L45/745 , H04L45/7457 , H04L47/20 , H04L49/201 , H04L49/25 , H04L49/358 , H04L49/70 , H04L61/6068
摘要： System and method for supporting shared multicast local identifiers (MLIDs) a high performance computing environment. In accordance with an embodiment, a shared MLID range can be configured such that each subnet within a fabric can utilize an MLID within a shared MLID range without the need to utilize a TCAM, or other memory, lookup of a MGID to MLID mapping.
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6.发明申请公开(公告)号：US20170324646A1
公开(公告)日：2017-11-09
申请号：US15656977
申请日：2017-07-21
IPC分类号： H04L12/751 , H04L12/66 , H04L12/947 , H04L29/08
CPC分类号： H04L45/02 , G06F2201/88 , H04L12/66 , H04L47/20 , H04L49/25 , H04L49/358 , H04L69/324
摘要： System and method for supporting flexible partition key (P_Key) mapping in a high performance computing environment. In accordance with an embodiment, when such computer environments comprise more than one subnet and/or forwarding domain that support inter-subnet partitions, the P_Keys comprising such inter-subnet partitions can change across domain boundaries. In such situations, a partition key of a packet can be updated upon entry to a new subnet and/or forwarding domain.
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7.发明申请公开(公告)号：US20170324616A1
公开(公告)日：2017-11-09
申请号：US15656949
申请日：2017-07-21
IPC分类号： H04L12/24 , H04L12/26 , H04L12/947 , H04L12/741
摘要： System and method for supporting subnet number aliasing in a high performance computing environment. In accordance with an embodiment, a fabric member can be assigned, by a global fabric manager, an alias fabric local subnet number in order to keep a fabric running after a fabric reconfiguration. The alias fabric local subnet number can be assigned for a period of time, the period of time being static, configurable, or indefinite.
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公开(公告)号：US09497133B2
公开(公告)日：2016-11-15
申请号：US15014276
申请日：2016-02-03
IPC分类号： H04L12/863 , H04L12/851 , H04L12/935 , H04L12/741 , G06F13/40 , H04L12/28
CPC分类号： H04L47/6205 , G06F13/4022 , H04L12/28 , H04L45/74 , H04L47/24 , H04L49/3045
摘要： The disclosed embodiments provide a system that operates a switch fabric. During operation, the system creates a set of virtual links for a first set of physical ports in the switch fabric. Next, the system uses a set of virtual port numbers to create a set of mappings between the set of virtual links and a second set of physical ports in the switch fabric, wherein the second set of physical ports is connected to the first set of physical ports using a single physical link. The system then uses the mappings to provide non-blocking behavior in traffic from the first set of physical ports to the second set of physical ports.
摘要翻译： 所公开的实施例提供了操作交换结构的系统。 在操作过程中，系统为交换结构中的第一组物理端口创建一组虚拟链路。 接下来，系统使用一组虚拟端口号来在交换结构中的虚拟链路集合和第二组物理端口之间创建一组映射，其中第二组物理端口连接到第一组物理端口 端口使用单个物理链路。 然后，系统使用映射在从第一组物理端口到第二组物理端口的流量中提供非阻塞行为。
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9.发明申请SYSTEM AND METHOD FOR SUPPORTING EFFICIENT VIRTUAL OUTPUT QUEUE (VOQ) PACKET FLUSHING SCHEME IN A NETWORKING DEVICE 有权用于在网络设备中支持有效的虚拟输出队列（VOQ）分组冲洗方案的系统和方法公开(公告)号：US20160191422A1
公开(公告)日：2016-06-30
申请号：US14584831
申请日：2014-12-29
发明人： Arvind Srinivasan , Carlos Castil
IPC分类号： H04L12/935 , H04L12/863 , H04L12/931 , H04L12/933 , H04L12/861
CPC分类号： H04L49/3045 , H04L47/50 , H04L49/101 , H04L49/201 , H04L49/9084
摘要： A system and method can support packet switching in a network environment. The system can include an ingress buffer on a networking device, wherein the ingress buffer, which includes one or more virtual output queues, operate to store one or more incoming packets that are received at an input port on the networking device. Furthermore, the system can include a packet flush engine, which is associated with the ingress buffer, wherein said packet flush engine operates to flush a packet that is stored in a said virtual output queue in the ingress buffer, and notify one or more output schedulers that the packet is flushed, wherein each output scheduler is associated with an output port.
摘要翻译： 系统和方法可以支持网络环境中的分组交换。 系统可以包括网络设备上的入口缓冲器，其中包括一个或多个虚拟输出队列的入口缓冲器操作以存储在网络设备上的输入端口处接收到的一个或多个输入分组。 此外，该系统可以包括与入口缓冲器相关联的分组刷新引擎，其中所述分组刷新引擎操作以刷新存储在入口缓冲器中的所述虚拟输出队列中的分组，并通知一个或多个输出调度器 该数据包被刷新，其中每个输出调度器与输出端口相关联。
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10.发明申请SCHEDULING PACKETS WITH MULTIPLE DESTINATIONS IN A VIRTUAL OUTPUT QUEUE NETWORK SWITCH 审中-公开在虚拟输出队列网络交换机中安排多个目的地的分组公开(公告)号：US20160173401A1
公开(公告)日：2016-06-16
申请号：US14572431
申请日：2014-12-16
发明人： Arvind Srinivasan , Shimon Muller
IPC分类号： H04L12/863 , H04L12/861 , H04L12/761
CPC分类号： H04L49/201 , H04L49/3027 , H04L49/3045
摘要： A system for communicating a multi-destination packet through a network switch fabric with a plurality of input and output ports is described. This system receives the multi-destination packet at an input port, wherein the multi-destination packet includes a multicast packet or a broadcast packet that is directed to multiple output ports, and wherein the network switch fabric maintains a separate virtual output queue (VOQ) for each output port. Next, the system sends the multi-destination packet from the input port to the multiple output ports by inserting the multi-destination packet into VOQs associated with the multiple output ports. The multi-destination packet is inserted into one VOQ at a time, so that after the multi-destination packet is read out of a VOQ and is sent to a corresponding output port, the multi-destination packet is inserted in another VOQ until the multi-destination packet is sent to all of the multiple output ports.
摘要翻译： 描述了通过具有多个输入和输出端口的网络交换结构来传送多目的地分组的系统。 该系统在输入端口处接收多目的地分组，其中，多目的分组包括指向多个输出端口的多播分组或广播分组，并且其中网络交换机架构维护单独的虚拟输出队列（VOQ） 为每个输出端口。 接下来，通过将多目的地分组插入到与多个输出端口相关联的VOQ中，系统将多目的地分组从输入端口发送到多个输出端口。 多目的地分组一次被插入到一个VOQ中，从而在将多目的地分组从VOQ读出并发送到相应的输出端口之后，多目的地分组被插入到另一个VOQ中，直到多 发送数据包发送到所有多个输出端口。
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