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公开(公告)号：US20140198800A1
公开(公告)日：2014-07-17
申请号：US13744137
申请日：2013-01-17
Applicant: Cisco Technology, Inc.
IPC: H04L12/56
Abstract: 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 domain 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.
Abstract translation: 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较不具体的路径转发原始数据包，该原始数据包是基于原始数据包的出口域的域索引的较不具体的路径。 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。
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12.发明公开公开(公告)号：US20240056386A1
公开(公告)日：2024-02-15
申请号：US17819260
申请日：2022-08-11
Applicant: Cisco Technology, Inc.
Inventor： Murukanandam Panchalingam , Rajagopalan Janakiraman , Muralidhar Annabatula , Junyun Li , Hari Hara Prasad Muthulingam
IPC: H04L45/302 , H04L45/745
CPC classification number: H04L45/306 , H04L45/74591
Abstract: An embodiment of the present disclosure is directed a set of data centers and associated controls in which the data centers include network fabric comprises network routing devices configured to route bi-directional traffic symmetrically through insertable service, e.g., via the associated inter-site and intra-site controls, for a given set of policies or contracts using an ASIC or circuit-assisted arithmetic logic, enforcing such policies at the local network devices, to deterministically select the insertable services.
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公开(公告)号：US20230261972A1
公开(公告)日：2023-08-17
申请号：US17674255
申请日：2022-02-17
Applicant: Cisco Technology, Inc.
Inventor： Ronak Desai , Yibin Yang , Rajagopalan Janakiraman
Abstract: In one embodiment, a method comprises determining, by a first networking device, that a first subflow of a multipath transmission control protocol (MPTCP) connection has been established between a first internet protocol (IP) address of a first computing device and an IP address of a second computing device, wherein the first computing device is multihomed to the first networking device and a second networking device. The method also includes determining, by the first or second networking device, a request to establish a second subflow of the MPTCP connection between a second IP address of the first computing and the IP address of the second computing device. In addition, the method includes advertising, by the first networking device, a primary IP address (PIP) of the first networking device for the first subflow and advertising, by the second networking device, a PIP of the second networking device for the second subflow.
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公开(公告)号：US20230185683A1
公开(公告)日：2023-06-15
申请号：US17547778
申请日：2021-12-10
Applicant: Cisco Technology, Inc.
Inventor： Javed Asghar , Rajagopalan Janakiraman , Raghu Rajendra Arur
CPC classification number: G06F11/203 , H04L67/34 , G06F11/3051
Abstract: This disclosure describes techniques for adaptive disaster recovery of applications running on network devices. The techniques include generating an application template and an application template clone that include application attributes usable to deploy an application stack at an application site. The techniques also include sending the application template clone to a disaster recovery site group to await deployment instructions. In some examples, an observer may determine that a health metric of the application site indicates that a disaster recovery process be triggered. A disaster recovery site of the disaster recovery site group may be selected based at least in part on a performance metric. The application stack may be deployed at the disaster recovery site utilizing the application template clone.
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公开(公告)号：US20210234898A1
公开(公告)日：2021-07-29
申请号：US16750841
申请日：2020-01-23
Applicant: Cisco Technology, Inc.
Inventor： Ronak K. Desai , Rajagopalan Janakiraman , Mohammed Javed Asghar , Azeem Suleman , Patel Amitkumar Valjibhai , Sanjay Kumar Hooda , Victor Manuel Moreno
IPC: H04L29/06 , H04L12/813 , H04L12/947 , H04L29/12
Abstract: The present technology pertains to a system, method, and non-transitory computer-readable medium for orchestrating policies across multiple networking domains. The technology can receive, at a provider domain from a consumer domain, a data request; receive, at the provider domain from the consumer domain, at least one access policy for the consumer domain; translate, at the provider domain, the at least one access policy for the consumer domain into at least one translated access policy understood by the provider domain; apply, at the provider domain, the at least one translated access policy understood by the provider domain to the data request; and send, at the provider domain to the consumer domain, a response to the data request.
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Patent Agency Ranking
公开(公告)号：US20200028711A1
公开(公告)日：2020-01-23
申请号：US16042265
申请日：2018-07-23
Applicant: Cisco Technology, Inc.
Inventor： Rajagopalan Janakiraman , Ronak Desai , Kalyan Ghosh , Balaji Muthuvarathan
IPC: H04L12/46 , H04L12/933 , H04L29/12 , H04L12/931 , H04L12/947
Abstract: Heterogeneous capabilities in an overlay fabric may be provided. First, it may be determined that a first link and a second link support a feature. Then the first link and the second link may be traversed with traffic between a host in a first Endpoint Group (EPG) connected to a first leaf switch and a second host in a second EPG connected to a second leaf switch when a topology preference for the feature is indicated for the traffic.
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17.发明授权公开(公告)号：US09641462B2
公开(公告)日：2017-05-02
申请号：US13868214
申请日：2013-04-23
Applicant: Cisco Technology, Inc.
Inventor： Rajagopalan Janakiraman , Sanjay Kumar Hooda , Pags Krishnamoorthy , Shreeram Bhide , Sridhar Subramanian
IPC: G06F15/177 , H04L12/931 , H04W40/24
Abstract: 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.
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公开(公告)号：US20160269271A1
公开(公告)日：2016-09-15
申请号：US15159634
申请日：2016-05-19
Applicant: Cisco Technology, Inc.
IPC: H04L12/751 , H04L12/721 , H04L29/08 , H04L12/715
Abstract: 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 domain 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.
Abstract translation: 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较不具体的路径转发原始数据包，该原始数据包是基于原始数据包的出口域的域索引的较不具体的路径。 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。
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公开(公告)号：US20160087892A1
公开(公告)日：2016-03-24
申请号：US14495186
申请日：2014-09-24
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Rajagopalan Janakiraman , Pagalavan Krishnamoorthy , Peter Geoffrey Jones , Sridhar Subramanian
IPC: H04L12/741 , H04L12/751
CPC classification number: H04L61/2015 , H04L12/462 , H04L12/4633 , H04L45/745 , H04L61/103
Abstract: 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.
Abstract translation: 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。
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公开(公告)号：US09219687B2
公开(公告)日：2015-12-22
申请号：US13839159
申请日：2013-03-15
Applicant: Cisco Technology, Inc.
Inventor： Sanjay Kumar Hooda , Rajagopalan Janakiraman , Vinay Parameswarannair , Vijay Sampath
IPC: H04L12/801 , H04L12/931 , H04L12/721
Abstract: Embodiments provide techniques for optimizing paths in a network environment with a virtual network device that includes a first physical network device and a second physical network device, connected using a virtual network device layer link. Embodiments receive a first data packet belonging to a first data flow, at the first physical network device, from the second physical network device, over the virtual network device layer link. An adjacent network device from which the second physical network device received the first data packet is determined. Embodiments also determine one or more links connecting the first physical network device and the adjacent network device. A network message is transmitted to the adjacent network device, where the adjacent network device is configured to transmit subsequent data packets from the first data flow to the virtual network device, using only the determined one or more links, responsive to receiving the network message.
Abstract translation: 实施例提供了利用包括使用虚拟网络设备层链路连接的第一物理网络设备和第二物理网络设备的虚拟网络设备来优化网络环境中的路径的技术。 实施例通过虚拟网络设备层链路从第二物理网络设备接收属于第一物理网络设备的第一数据流的第一数据包。 确定第二物理网络设备从其接收到第一数据分组的相邻网络设备。 实施例还确定连接第一物理网络设备和相邻网络设备的一个或多个链路。 将网络消息发送到相邻网络设备，其中相邻网络设备被配置为仅响应于接收到该网络消息而使用所确定的一个或多个链路，将后续数据分组从第一数据流发送到虚拟网络设备。
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