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1. 发明申请

WO2016049248A1 NETWORK RESOURCE SHARING FOR ROUTING AND FORWARDING INFORMATION 审中-公开
标题翻译：网络资源共享，用于路由和转发信息
公开(公告)号：WO2016049248A1
公开(公告)日：2016-03-31
申请号：PCT/US2015/051812
申请日：2015-09-24
申请人： CISCO TECHNOLOGY, INC.
发明人： JANAKIRAMAN, Rajagopalan , KRISHNAMOORTHY, Pagalavan , JONES, Peter Geoffrey , SUBRAMANIAN, Sridhar
IPC分类号： H04L29/12 , H04L12/46 , H04L12/775 , H04L12/741
CPC分类号： H04L61/2015 , H04L12/462 , H04L12/4633 , H04L45/745 , H04L61/103
摘要： A system, computer-readable media, and methods for network resource sharing of routing and forwarding information are disclosed. The method may include receiving a first address for a device connected to a network and receiving one or more second addresses for the device. The method may also include identifying a first switch through which the device connects to the network and identifying a second switch for storing the first address and the one or more second addresses. Further, the method may include storing the first address in the first switch and storing the first address and the one or more second addresses in the second switch.
摘要翻译：公开了一种用于路由和转发信息的网络资源共享的系统，计算机可读介质和方法。该方法可以包括接收连接到网络的设备的第一地址并且为设备接收一个或多个第二地址。该方法还可以包括识别设备连接到网络的第一交换机，并且识别用于存储第一地址和一个或多个第二地址的第二交换机。此外，该方法可以包括将第一地址存储在第一交换机中并将第一地址和一个或多个第二地址存储在第二交换机中。

2. 发明申请

WO2021173319A1 SERVICE CHAINING IN MULTI-FABRIC CLOUD NETWORKS 审中-公开
公开(公告)号：WO2021173319A1
公开(公告)日：2021-09-02
申请号：PCT/US2021/016625
申请日：2021-02-04
申请人： CISCO TECHNOLOGY, INC.
发明人： JANAKIRAMAN, Rajagopalan , GANAPATHY, Sivakumar , ASGHAR, Javed , SULEMAN, Azeem Muhammad
IPC分类号： H04L12/751 , H04L12/721 , H04L12/715 , H04L12/803
摘要： Techniques for routing data packets through service chains within and between public cloud networks of multi-cloud fabrics. A router in a network, e.g., a public cloud network, receives data packets from nodes in the network through segments of the network. Based at least in part on (i) a source address of the data packet, (ii) a destination address of the data packet, and (iii) an identity of the segments of the network from which the data packets are received, the router determines a next node in the network to which the data packet is to be forwarded. The router may then forward the data packet through another segment of the network to the next node and then receive the data packet from the next node through the another segment.

3. 发明申请

WO2014176170A1 ACCELERATING NETWORK CONVERGENCE FOR LAYER 3 ROAMS IN A NEXT GENERATION NETWORK CLOSET CAMPUS 审中-公开
标题翻译：下一代网络关闭CAMPUS中的层3加速网络融合
公开(公告)号：WO2014176170A1
公开(公告)日：2014-10-30
申请号：PCT/US2014/034814
申请日：2014-04-21
申请人： CISCO TECHNOLOGY, INC. , JANAKIRAMAN, Rajagopalan , HOODA, Sanjay Kumar , KRISHNAMOORTHY, Pags , BHIDE, Shreeram , SUBRAMANIAN, Sridhar
发明人： JANAKIRAMAN, Rajagopalan , HOODA, Sanjay Kumar , KRISHNAMOORTHY, Pags , BHIDE, Shreeram , SUBRAMANIAN, Sridhar
IPC分类号： H04W8/26 , H04W8/08
CPC分类号： H04L49/65 , H04W40/24
摘要： Accelerating network convergence may be provided. Consistent with embodiments of the disclosure, a mapping server may be configured to map an interconnection of various network elements comprising at least the following: a wireless host, at least two access switches, a plurality of distribution switches, a core switch, a mobility controller, and a mapping database. The mapping server may then receive an indication from the mobility controller that the wireless host has roamed from a first access switch to a second access switch. In response to the indication, the mapping server may remap the interconnection of network elements in the mapping database to update network routing information associated with the wireless host.
摘要翻译：可以提供加速的网络融合。与本公开的实施例一致，映射服务器可以被配置为映射至少包括以下的各种网络元件的互连：无线主机，至少两个接入交换机，多个分布交换机，核心交换机，移动性控制器，以及映射数据库。然后，映射服务器可以从移动性控制器接收到无线主机已经从第一接入交换机漫游到第二接入交换机的指示。响应于该指示，映射服务器可以重新映射映射数据库中的网络元件的互连，以更新与无线主机相关联的网络路由信息。

4. 发明申请

WO2014152371A1 SYSTEM FOR CONVERSATIONAL LINK AGGREGATION RESOLUTION IN A NETWORK SWITCH 审中-公开
标题翻译：网络交换机中对话链路聚合解决方案的系统
公开(公告)号：WO2014152371A1
公开(公告)日：2014-09-25
申请号：PCT/US2014/027265
申请日：2014-03-14
申请人： CISCO TECHNOLOGY, INC.
发明人： TSAI, Chiajen , YANG, Yibin , JANAKIRAMAN, Rajagopalan
IPC分类号： H04L12/709 , H04L12/939
CPC分类号： H04L45/745 , H04L45/245 , H04L49/55 , Y02D50/30
摘要： Some implementations provide a method that includes: (i) receiving a list of logic link aggregations (LAGs) within a computer network, the list identifying a single physical egress port associated with each LAG; (ii) receiving a data unit; (iii) identifying that the data unit is addressed to a remote LAG included in the list of logic link aggregations; (iv) establishing a connection with the remote LAG; (v) downloading a detailed data describing the remote LAG from a control plane, the detailed data including a list of multiple available physical egress ports associated with the remote LAG, and; (vi) upon downloading the detailed data, incorporating the detailed data into the list of LAGs in association with an entry identifying the remote LAG.
摘要翻译：一些实现提供了一种方法，其包括：（i）在计算机网络内接收逻辑链路聚合（LAG）的列表，所述列表标识与每个LAG相关联的单个物理出口; （ii）接收数据单元; （iii）识别数据单元被寻址到包括在逻辑链路聚合列表中的远程LAG; （iv）与远程LAG建立连接; （v）从控制平面下载描述所述远程LAG的详细数据，所述详细数据包括与所述远程LAG相关联的多个可用物理出口的列表，以及; （vi）在下载详细数据时，将详细数据与标识远程LAG的条目相关联地结合到LAG列表中。

5. 发明申请

WO2020176325A1 SYSTEMS AND METHODS FOR ON-DEMAND FLOW-BASED POLICY ENFORCEMENT IN MULTI-CLOUD ENVIRONMENTS 审中-公开
公开(公告)号：WO2020176325A1
公开(公告)日：2020-09-03
申请号：PCT/US2020/019005
申请日：2020-02-20
申请人： CISCO TECHNOLOGY, INC.
发明人： JANAKIRAMAN, Rajagopalan , DESAI, Ronak, K. , GANAPATHY, Sivakumar , ASGHAR, Mohammed Javed , SULEMAN, Azeem , VALJIBHAI, Patel Amitkumar
IPC分类号： H04L12/715 , H04L12/717 , H04L12/803
摘要： Systems, methods, and computer-readable media for policy splitting in multi-cloud fabrics. In some examples, a method can include discovering a path from a first endpoint in a first cloud to a second endpoint in a second cloud; determining runtime policy table capacities associated with nodes in the path; determining policy distribution and enforcement for traffic from the first endpoint to the second endpoint based on the runtime policy table capacities; based on the policy distribution and enforcement, installing a set of policies for traffic from the first endpoint to the second endpoint across a set of nodes in the path; and applying the set of policies to traffic from the first endpoint in the first cloud to the second endpoint in the second cloud.

6. 发明申请

WO2020150092A1 SEAMLESS MULTI-CLOUD ROUTING AND POLICY INTERCONNECTIVITY 审中-公开
公开(公告)号：WO2020150092A1
公开(公告)日：2020-07-23
申请号：PCT/US2020/013084
申请日：2020-01-10
申请人： CISCO TECHNOLOGY, INC.
发明人： JANAKIRAMAN, Rajagopalan , GANAPATHY, Sivakumar , MARDENTE, Gianluca , MEO, Giovanni , VALJIBHAI, Patel Amitkumar
IPC分类号： H04L12/751 , H04L12/715
摘要： Technologies for multi-cloud routing and policy interconnectivity are provided. An example method can include assigning different sets of data plane routers to data plane traffic associated with different address spaces in a cloud site of a multi-cloud fabric to yield a distributed mapping of data plane traffic and data plane routers. The method can further include providing, to an on-premises site in the multi-cloud fabric, routing entries from a control plane router on the cloud site, the routing entries reflecting the distributed mapping and identifying, for each address space, which data plane router handles data plane traffic for that address space; and when a data plane router is deployed at the cloud site, providing, to the on-premises site, updated routing information from the control plane router, the updated routing information identifying the data plane router as a next hop for data plane traffic associated with a respective address space.

7. 发明申请

WO2013169513A1 METHOD AND APPARATUS FOR ADAPTIVE FAST START IN LINK AGGREGATION 审中-公开
标题翻译：用于自适应快速启动链接聚合的方法和装置
公开(公告)号：WO2013169513A1
公开(公告)日：2013-11-14
申请号：PCT/US2013/038616
申请日：2013-04-29
申请人： CISCO TECHNOLOGY, INC.
发明人： ZHOU, Yunchen , TSAI, Chia Alex , YANG, Yibin , JANAKIRAMAN, Rajagopalan
IPC分类号： H04L12/24 , H04L12/709 , H04L12/823
CPC分类号： H04L47/28 , H04L43/0852 , H04L45/245 , H04L47/12 , H04L47/30 , H04L47/323 , Y02D50/30
摘要： In one embodiment, a period between periodic transmissions of protocol data units (PDUs) used to form or maintain a link aggregation group is initially set to a fixed value. When a stress condition is detected, the period between periodic transmissions of PDUs is increased from the initial value. When the stress condition is determined to have eased, the period between periodic transmissions of PDUs is reduced back toward the fixed value.
摘要翻译：在一个实施例中，用于形成或维护链路聚合组的协议数据单元（PDU）的周期性传输之间的周期被初始设置为固定值。当检测到应力条件时，PDU的周期性传输之间的周期从初始值增加。当应力条件被确定为缓解时，PDU的周期性传输之间的时间间隔减小到固定值。

8. 发明申请

WO2019023177A1 SYSTEM AND METHOD FOR PROVIDING SCALABLE FLOW MONITORING IN A DATA CENTER FABRIC 审中-公开
公开(公告)号：WO2019023177A1
公开(公告)日：2019-01-31
申请号：PCT/US2018/043400
申请日：2018-07-24
申请人： CISCO TECHNOLOGY, INC
发明人： GANAPATHY, Sivakumar , JANAKIRAMAN, Rajagopalan , GHOSH, Kalyan , SHAH, Sapan
IPC分类号： H04L12/26
摘要： Disclosed is a method that includes calculating, at a collector receiving a data flow and via a hashing algorithm, all possible hashes associated with at least one virtual attribute associated with the data flow to yield resultant hash values. Based on the resultant hash values, the method includes computing a multicast address group and multicasting the data flow to n leafs based on the multicast address group. At respective other collectors, the method includes filtering received sub-flows of the data flow based on the resultant hashes, wherein if a respective hash is owned by a collector, the respective collector accepts and saves the sub-flow in a local switch collector database. A scalable, distributed netflow is possible with the ability to respond to queries for fabric-level netflow statistics even on virtual constructs.

9. 发明申请

WO2014113547A1 MSDC SCALING THROUGH ON-DEMAND PATH UPDATE 审中-公开
标题翻译： MSDC通过需求路径更新来缩放
公开(公告)号：WO2014113547A1
公开(公告)日：2014-07-24
申请号：PCT/US2014/011814
申请日：2014-01-16
申请人： CISCO TECHNOLOGY, INC.
发明人： KRISHNAMOORTHY, Pags , JANAKIRAMAN, Rajagopalan , TSAI, Chia, Alex , PARAMESWARANNAIR, Vinay
IPC分类号： H04L12/721 , H04L12/773 , H04L12/937
CPC分类号： H04L45/02 , H04L45/26 , H04L45/583 , H04L45/64 , H04L49/15 , H04L67/10
摘要： In one embodiment, a copy of an original packet of a traffic flow is created at an ingress leaf node of a cloud switch. The ingress leaf node forwards the original packet along a less- specific path through the cloud switch, the less- specific path based on a domain index of an egress do main for the original packet. The copy of the original packet is modified to create a more specific path learn request packet. The ingress leaf node forwards the more specific path learn request packet along the less-specific path through the cloud switch. The ingress leaf node received back a more specific path learn request reply packet that includes an indication of a fabric system port. The ingress leaf node then programs a forwarding table based on the indication of the fabric system port, to have subsequent packets of the traffic flow forwarded along a more-specific path.
摘要翻译：在一个实施例中，在云交换机的入口叶节点处创建业务流的原始分组的副本。入口叶节点通过云交换机沿着较不具体的路径转发原始分组，基于原始分组的出口的域索引的较不特定的路径。修改原始数据包的副本以创建更具体的路径学习请求数据包。入口叶节点通过云交换机沿较不具体的路径转发更具体的路径学习请求分组。入口叶节点接收到更特定的路径学习请求应答分组，其包括结构系统端口的指示。因此，入口叶节点基于结构系统端口的指示对转发表进行编程，以使业务流的后续分组沿着更具体的路径转发。

10. 发明申请

WO2013169512A1 GRACE STATE AND PACING IN LINK AGGREGATION 审中-公开
标题翻译：联系聚合中的状态和状态
公开(公告)号：WO2013169512A1
公开(公告)日：2013-11-14
申请号：PCT/US2013/038614
申请日：2013-04-29
申请人： CISCO TECHNOLOGY, INC.
发明人： TSAI, Chia Alex , ZHOU, Yuchen , JANAKIRAMAN, Rajagopalan , YANG, Yibin
IPC分类号： H04L29/06 , H04L12/709
CPC分类号： H04L45/245 , H04L45/28 , Y02D50/30
摘要： In one embodiment, one or more indicia of stress are monitored. Based on the one or more indicia of stress, it is determined a stress condition exists. In response to the stress condition, one or more link aggregation actors and partners are caused to enter a grace state for a grace period. While the one or more link aggregation actors and partners are in the grace state, link aggregation formation is paced on a plurality of links by delaying formation of one or more new link aggregation groups on the plurality of links until a hold is released. Upon expiration of the grace period, the grace state is exited.
摘要翻译：在一个实施例中，监视一个或多个应力标记。基于一个或多个应力标记，确定存在应力条件。为了应对压力情况，一个或多个链路聚合行为者和伙伴被引入宽限期的宽限期。当一个或多个链路聚合参与者和伙伴处于宽限期状态时，通过延迟多个链路上的一个或多个新的链路聚合组的形成直到释放保持，在多个链路上进行链路聚合形成。在宽限期结束时，退出恩典状态。

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