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1. 发明授权

US11805053B2 Data sending method and forwarding device 有权
公开(公告)号：US11805053B2
公开(公告)日：2023-10-31
申请号：US17542813
申请日：2021-12-06
申请人： Huawei Technologies Co., Ltd.
发明人： Zongpeng Du , Guoyi Chen , Jie Dong , Xinyuan Wang , Jun Gong
IPC分类号： H04Q11/04 , H04L45/00 , H04L12/52 , H04J3/16 , H04L12/46 , H04Q3/68 , G06K7/01 , H04L65/00 , H04L5/00 , H04L9/40 , H04L12/417 , H04L45/64
CPC分类号： H04L45/54 , G06K7/01 , H04J3/1658 , H04L5/0053 , H04L9/40 , H04L12/417 , H04L12/4625 , H04L12/52 , H04L45/64 , H04L45/66 , H04L65/00 , H04Q3/68 , H04Q11/04
摘要： A data sending method includes receiving, by a forwarding device using a first flexible Ethernet (FlexE) group and in multiple timeslots included in a first timeslot set, multiple first encoded data blocks from a physical coding sublayer (PCS), determining, by the forwarding device according to the timeslots included in the first timeslot set and the first FlexE group, a second FlexE group and multiple timeslots included in a second timeslot set, and sending, by the forwarding device, the first encoded data blocks using the second FlexE group and in the timeslots included in the second timeslot set.

2. 发明授权

US10237205B2 Switch routing algorithms 有权
公开(公告)号：US10237205B2
公开(公告)日：2019-03-19
申请号：US13922670
申请日：2013-06-20
申请人： The Boeing Company
发明人： Kristina A. Miller , Tu Q. Le , Tae J. Roh , Helen Liu
IPC分类号： H04Q3/68 , H04L12/933 , H04L12/947
摘要： A method using a computer in conjunction with a non-transitory computer readable storage medium is provided comprising a computer receiving a message for forwarding at an ingress switch of a multi-stage circuit switching network. The method also comprises computer executing a first routing algorithm in transmitting the message, the algorithm comprising the computer determining at least one availability matrix for each middle switch, wherein a given middle switch comprises a switch between ingress and egress switches of the network. The method also comprises the computer assigning resources to a selected middle switch and updating the availability matrix and causing the ingress switch to transmit the message via the middle switch based on determining a first availability matrix for the middle switch using the algorithm wherein the algorithm is executed to forward messages on at least one of unicast, fan-in, and fan-out bases and minimize blocking and imbalance on middle switches.

3. 发明申请

US20160337719A1 COLLAPSED-DISTRIBUTED CLOS SWITCHING ARCHITECTURE FOR MULTI-CHASSIS FABRIC CONNECTIVITY 审中-公开
标题翻译：用于多层织物连接的折叠式分布式开关式结构
公开(公告)号：US20160337719A1
公开(公告)日：2016-11-17
申请号：US15223886
申请日：2016-07-29
申请人： Juniper Networks, Inc.
发明人： Alam Yadav
IPC分类号： H04Q3/00 , H04L12/773 , H04Q3/68 , H04L12/707
CPC分类号： H04Q3/0004 , H04L45/24 , H04L45/60 , H04Q3/68
摘要： A system may comprise a first device and a second device associated with a Clos architecture. The first device may include a first crossbar that comprises a first component, a second component, and a third component. The second device may include a second crossbar that comprises a fourth component, a fifth component, and a sixth component. The first component may connect to the second component and the fifth component. The second component may connect to the first component, the third component, the fourth component, and the sixth component. The third component may connect to the second component and the fifth component. The fourth component may connect to the second component and the fifth component. The fifth component may connect to the first component, the third component, the fourth component, and the sixth component. The sixth component may connect to the second component and the fifth component.
摘要翻译：系统可以包括与Clos架构相关联的第一设备和第二设备。第一装置可以包括包括第一部件，第二部件和第三部件的第一横杆。第二装置可以包括第二横杆，其包括第四部件，第五部件和第六部件。第一组件可以连接到第二组件和第五组件。第二组件可以连接到第一组件，第三组件，第四组件和第六组件。第三组件可以连接到第二组件和第五组件。第四组件可以连接到第二组件和第五组件。第五组件可以连接到第一组件，第三组件，第四组件和第六组件。第六组件可以连接到第二组件和第五组件。

4. 发明授权

US09166928B2 Scalable 3-stage crossbar switch 有权
标题翻译：可扩展的3级交叉开关
公开(公告)号：US09166928B2
公开(公告)日：2015-10-20
申请号：US13629195
申请日：2012-09-27
申请人： Chin Tau Lea
发明人： Chin Tau Lea
IPC分类号： H04L12/933 , H04L12/931 , H04Q3/68 , H04L12/937 , H04L12/947 , H04Q11/06 , H04L12/707
CPC分类号： H04L49/1515 , H04L45/24 , H04L49/1569 , H04L49/1576 , H04L49/25 , H04L49/254 , H04L49/506 , H04L49/508 , H04Q3/68 , H04Q11/06
摘要： Systems and methods are presented relating to a three stage crossbar based switching system and a scheduling method for transmission of data packets and associated request and grant tokens. The first stage and third stage portions of the switching system contain TDM crossbars, which are interconnected by a middle stage set of crossbars. In an embodiment, the system switching module is a m×m crossbar switch comprising m inputs and m outputs. The switch has a size m2×m2 formed from m×m crossbar modules. Scheduling of data packet servicing is on a frame by frame basis relating to selection based on port addresses and port address groups. Further, time slot interchange is utilized to address time slot mismatch.
摘要翻译：提出了涉及三级交叉开关系统和用于传输数据分组和相关联的请求和授权令牌的调度方法的系统和方法。交换系统的第一阶段和第三阶段部分包含TDM交叉条，它们通过中间阶段的一组交叉条进行互连。在一个实施例中，系统切换模块是包括m个输入和m个输出的m×m交叉开关。开关具有m×m个横杆模块形成的尺寸m2×m2。数据包服务的调度与基于端口地址和端口地址组的选择有关。此外，利用时隙交换来解决时隙不匹配。

5. 发明授权

US08908709B1 Methods and apparatus for power management associated with a switch fabric 有权
标题翻译：与交换结构相关的电源管理方法和设备
公开(公告)号：US08908709B1
公开(公告)日：2014-12-09
申请号：US12350729
申请日：2009-01-08
申请人： Gunes Aybay
发明人： Gunes Aybay
IPC分类号： H04L12/54 , H04L12/933 , H04L12/861 , H04Q3/68
CPC分类号： H04L49/90 , H04L49/1546 , H04L49/356 , H04L49/40 , H04Q3/68
摘要： In one embodiment, a method includes receiving a request to transmit data from a first queue to a second queue via a switch fabric. In response to the receiving, a wake-up signal configured to trigger a stage of a processing pipeline in communication with the second queue to change from a standby state to an active state is sent.
摘要翻译：在一个实施例中，一种方法包括经由交换结构接收从第一队列发送数据到第二队列的请求。响应于接收，发送被配置为触发与第二队列通信的处理流水线的阶段以从待机状态改变到活动状态的唤醒信号。

6. 发明申请

US20050275504A1 Reconfigurable switch having an overlapping Clos Architecture 有权
标题翻译：可重新配置的交换机具有重叠的Clos体系结构
公开(公告)号：US20050275504A1
公开(公告)日：2005-12-15
申请号：US10864446
申请日：2004-06-10
申请人： Anthony Torza
发明人： Anthony Torza
IPC分类号： H04Q3/68 , H04Q11/00
CPC分类号： H04Q3/68 , H04Q2213/13141 , H04Q2213/13332
摘要： A data-communications switch having at least two modes of operation is provided. The data communications switch includes a first Clos switch having a first mode of operation and a second Clos switch, which is combined with the first Clos switch, for providing a second mode of operation. The first Clos switch and second Clos switch are interconnected in an overlapping manner to form a switch fabric, which is essentially a superset of both the first Clos switch and the second Clos switch and can be configured to operate in either mode depending on system requirements.
摘要翻译：提供具有至少两种操作模式的数据通信开关。数据通信交换机包括具有第一操作模式的第一Clos开关和与第一Clos开关组合的第二Clos开关，用于提供第二操作模式。第一个Clos交换机和第二个Clos交换机以重叠的方式互连，形成一个交换结构，它基本上是第一个Clos交换机和第二个Clos交换机的超集，可以配置为根据系统要求在任一模式下运行。

7. 发明申请

US20050157713A1 Distribution stage for enabling efficient expansion of a switching network 有权
标题翻译：用于实现交换网络高效扩展的分发阶段
公开(公告)号：US20050157713A1
公开(公告)日：2005-07-21
申请号：US10428048
申请日：2003-05-02
申请人： Daniel Klausmeier , Edward Sprague
发明人： Daniel Klausmeier , Edward Sprague
IPC分类号： H04Q3/68 , H04Q11/00
CPC分类号： H04Q3/68
摘要： A distribution stage is disclosed comprising a plurality of inputs coupled to a plurality of first stage switching devices, a plurality of outputs coupled to a plurality of second stage switching devices, and a distribution configuration. The distribution configuration is configured to receive a plurality of bandwidth units (BU's) from each first stage switching device, and to distribute at least one BU from each first stage switching device to each second stage switching device, such that each second stage switching device is assured of receiving at least one BU from each first stage switching device. In effect, the distribution stage ensures that each first stage switching device has a logical link to each second stage switching device. In one embodiment, the distribution stage is configured in accordance with a distribution configuration that is static. Because the distribution configuration of the distribution stage is static, it does not add complexity to the overall switching determination of a switching network. Thus, the distribution stage enables the switching network to be expanded without degrading the switching performance of the network.
摘要翻译：公开了一种分配阶段，包括耦合到多个第一级交换设备的多个输入，耦合到多个第二级交换设备的多个输出以及分配配置。分配配置被配置为从每个第一级交换设备接收多个带宽单元（BU），并且将来自每个第一级交换设备的至少一个BU分配给每个第二级交换设备，使得每个第二级交换设备是确保从每个第一级切换装置接收至少一个BU。实际上，分配阶段确保每个第一级交换设备具有到每个第二级交换设备的逻辑链路。在一个实施例中，分配阶段根据静态的分布配置来配置。由于分布阶段的分布配置是静态的，因此交换网络的整体交换确定不会增加复杂性。因此，分发阶段使得能够扩展交换网络，而不降低网络的交换性能。

8. 发明授权

US6157643A Switching fabric 失效
标题翻译：切换面料
公开(公告)号：US6157643A
公开(公告)日：2000-12-05
申请号：US310683
申请日：1999-05-04
申请人： Jian Ma
发明人： Jian Ma
IPC分类号： H04L12/54 , H04L12/933 , H04L12/935 , H04L12/947 , H04Q3/68 , H04L12/56
CPC分类号： H04L12/5601 , H04L49/1561 , H04L49/1569 , H04L49/256 , H04L49/309 , H04Q3/685
摘要： The present invention relates to a switching fabric for a packet-switched communications network. Said switching fabric comprises a plurality of input ports and a plurality of output ports, and a plurality of switch elements (SE1-SE5) which are arranged in multiple stages and connected with each other into a switching fabric. Each switch element has a plurality of inputs and outputs and each switch element routes a data packet present at its given input to at least one of its outputs on the basis of routing information (SRT) carried by said data packet. In order to reduce internal blocking in the switch, each switch element (SE1) in at least the first switching stage is formed by a routing network element (RE.sub.1) and a shift network element (SHE.sub.1), connected in series with each other so that the ith output of the routing network element is connected to the ith input of the shift network element, whereby (1) each routing network element routes the data packets according to preset, fixed rules on the basis of the routing information carried by the data packet, and (2) each shift network element shifts the data packet present on its ith input to its jth output, whereby the indices i and j are paired so that (a) within a given time slot, all the values of j are different from each other within a given shift network element, and (b) within a given time slot, a different value of j is assigned to each of the same-valued i's used in the different shift network elements.
摘要翻译：本发明涉及分组交换通信网络的交换结构。所述交换结构包括多个输入端口和多个输出端口，以及多个开关元件（SE1-SE5），多个开关元件（SE1-SE5）被布置成多个级并且彼此连接成交换结构。每个开关元件具有多个输入和输出，并且每个开关元件基于由所述数据分组携带的路由信息（SRT）将存在于其给定输入端的数据分组路由到其输出中的至少一个。为了减少开关中的内部阻塞，至少第一开关级中的每个开关元件（SE1）由彼此串联连接的路由网络元件（RE1）和移位网络元件（SHE1）形成，使得路由网元的第i个输出连接到移动网元的第i个输入，由此（1）每个路由网元根据预先设定的固定规则，根据数据包携带的路由信息对数据包进行路由，和（2）每个移位网络单元将其第i个输入上存在的数据分组移动到其第j个输出，由此索引i和j配对，使得（a）在给定时隙内，所有j值都不同（b）在给定的时隙内，将不同的j值分配给在不同移位网络元件中使用的每个相同值i。

9. 发明授权

US5923868A Methods for maximizing routability in a programmable interconnect matrix having less than full connectability 失效
标题翻译：在具有小于完全可连接性的可编程互连矩阵中最大化可路由性的方法
公开(公告)号：US5923868A
公开(公告)日：1999-07-13
申请号：US957003
申请日：1997-10-23
申请人： Hagop A. Nazarian , Stephen M. Douglass , W. Alfred Graf , S. Babar Raza , Sundar Rajan , Shiva Sorooshian Borzin , Darren Newman
发明人： Hagop A. Nazarian , Stephen M. Douglass , W. Alfred Graf , S. Babar Raza , Sundar Rajan , Shiva Sorooshian Borzin , Darren Newman
IPC分类号： H04Q3/545 , H04Q3/68 , H04Q11/04 , G06F15/173 , G06F17/16
CPC分类号： H04Q11/0407 , H04Q11/04 , H04Q3/545 , H04Q3/68 , H04Q2213/1302 , H04Q2213/1304 , H04Q2213/1305 , H04Q2213/13141 , H04Q2213/13204 , H04Q2213/13213 , H04Q2213/13305 , H04Q2213/1332 , H04Q2213/1334 , Y10T307/74 , Y10T307/76
摘要： Methods for designing a programmable interconnect matrix having reduced connectivity to achieve maximum routability for the reduced connectivity. An array of multiplexors, each having a multiplexor width w.sub.mux that is less than number of input conductors for the programmable matrix, are coupled to the input conductors of the programmable interconnect matrix such that the number of input signals shared between any two multiplexors is less than the multiplexor width w.sub.mux and such that each input signal has approximately the same number of chances to route. To better ensure the successful routing of input signals by a programmable interconnect matrix designed according to the present methods, improved routing methods are also described. According to a first embodiment, routing is accomplished by swapping successfully routed input signals with a blocked input signal and determining whether the input signal that has been swapped out may be routed through available multiplexors. According to a second embodiment, a predictive swapping technique is used whereby successfully routed signals qualified to provide a blocked signal with a route are first checked to determine whether a successful routing will be provided before swapping in the blocked output signal.
摘要翻译：用于设计具有降低的连接性以实现降低的连接性的最大可路由性的可编程互连矩阵的方法。每个具有小于可编程矩阵的输入导体数量的多路复用器宽度wmux的多路复用器阵列耦合到可编程互连矩阵的输入导体，使得任何两个多路复用器之间共享的输入信号的数量小于多路复用器宽度wmux，并且使得每个输入信号具有大致相同数量的路由机会。为了更好地确保通过根据本方法设计的可编程互连矩阵成功地路由输入信号，还描述了改进的路由方法。根据第一实施例，通过用阻塞的输入信号交换成功路由的输入信号并且确定是否已被换出的输入信号可以通过可用的多路复用器被路由来实现路由。根据第二实施例，使用预测交换技术，由此首先检查合格以提供具有路由的阻塞信号的成功路由信号，以确定在交换阻塞的输出信号之前是否提供成功的路由。

10. 发明授权

US5864552A Rearrangeable non-blocking switching network 失效
标题翻译：可重排非阻塞交换网络
公开(公告)号：US5864552A
公开(公告)日：1999-01-26
申请号：US711921
申请日：1996-09-11
申请人： Ding-Zhu Du , Biao Gao , Frank Kwangming Hwang , Jeong Han Kim
发明人： Ding-Zhu Du , Biao Gao , Frank Kwangming Hwang , Jeong Han Kim
IPC分类号： H04L12/56 , H04Q3/68 , H04Q11/04 , H04L12/50 , H04Q11/00
CPC分类号： H04L49/25 , H04Q11/0478 , H04Q3/68 , H04L49/101 , H04L49/1515
摘要： A rearrangeable non-blocking three stage network and method for routing one or more requests between an input stage and an output stage, comprising between 3N and substantially the next largest integer of (41N-E.sub.N)/16 center stage interconnection units, where N is the greater of the inlet links to the input stage and outlet links from the output stage. Received requests are grouped by load size into a first group, a second group, and a third group with the second ground divided into a first half and a second half. The requests in the first group and first half of the second group are routed by a first set of center interconnection units, and the requests of the second half of the second group are routed by a second set of center interconnection units. The requests of the third group are routed through the first and second set of interconnection units so long as their load capacity is not exceeded, while any remaining small requests are routed through a third set of interconnection units.
摘要翻译：一种用于在输入级和输出级之间路由一个或多个请求的可重排的非阻塞三级网络和方法，包括在3N和基本上是（41N-EN）/ 16个中心级互连单元的下一个最大整数之间，其中N是入口中较大的入口连接到输入级，并从输出级连接出口连接。接收到的请求按负载大小分组为第一组，第二组和第三组，其中第二个接地分为前半部分和后半部分。第一组中的请求和第二组的前半部分由第一组中心互连单元路由，并且第二组的后半部分的请求由第二组中心互连单元路由。只要不超过其负载能力，第三组的请求被路由通过第一和第二组互连单元，而任何剩余的小请求通过第三组互连单元路由。

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