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公开(公告)号：US20180212865A1
公开(公告)日：2018-07-26
申请号：US15926594
申请日：2018-03-20
Applicant: Cisco Technology, Inc.
Inventor： Sourabh Jain , Varun Shah , Ayan Banerjee
IPC: H04L12/733 , H04W40/02 , H04L12/753 , H04L12/761 , H04L12/721
CPC classification number: H04L45/122 , H04L45/12 , H04L45/16 , H04L45/48 , H04W40/02
Abstract: The proposed methodology enables finding the most efficient roots in the network to carry multicast traffic, while further providing a theoretical basis for such selection. It guarantees the minimum expected delivery cost for multicast frames in the absence of any knowledge about the source and receivers.
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公开(公告)号：US20170257260A1
公开(公告)日：2017-09-07
申请号：US15063288
申请日：2016-03-07
Applicant: Cisco Technology, Inc.
Inventor： Vengada Prasad Govindan , Ayan Banerjee , Mehak Mahajan , Abhayraj Kuldip Gidwani , Mudigonda Jwala Mallik
CPC classification number: H04L41/0654 , H04L12/4633 , H04L41/0659
Abstract: Disclosed are systems, methods, and computer-readable storage media for synchronizing the secondary vPC node to the primary vPC node in a BFD protocol over a VxLAN channel with a remote node. In some embodiments of the present technology a primary vPC node can receive a packet from the remote node. The primary vPC node can then determine the packet includes either a MAC address corresponding to the primary vPC node or a secondary vPC node, and at least one inner packet identifier. Additionally, the primary networking switch can identify an access control list (ACL) entry from a set of ACL entries based on the at least one inner packet identifier. Subsequently, based on the ACL entry, the primary vPC node can generate a copy of the packet. After which, the primary vPC node can transmit the packet to the secondary vPC node.
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公开(公告)号：US20140269330A1
公开(公告)日：2014-09-18
申请号：US13842195
申请日：2013-03-15
Applicant: CISCO TECHNOLOGY, INC.
IPC: H04L12/801
CPC classification number: H04L47/125 , H04L12/185 , H04L12/1886 , H04L45/123 , H04L45/48
Abstract: Embodiments provide a method, network device, and computer program product for optimizing traffic in a link-state network distributed across a plurality of sites. The method, network device, and computer program product include receiving a multi-destination message at a first node within the link-state network. Additionally, the method, network device, and computer program product include identifying a plurality of multi-destination trees within the network, each tree having a respective root node. The method, network device, and computer program product determine a plurality of cost values corresponding to each of the plurality of multi-destination trees, based on one or more links along a shortest path from the first node to the respective root node of each tree. Based on the determined cost values, the method, network device, and computer program product select one or more of the multi-destination trees and transmit the multi-destination message using the selected tree.
Abstract translation: 实施例提供了一种用于优化分布在多个站点上的链路状态网络中的业务的方法，网络设备和计算机程序产品。 该方法，网络设备和计算机程序产品包括在链路状态网络内的第一节点处接收多目的地消息。 此外，方法，网络设备和计算机程序产品包括识别网络内的多个多目的地树，每个树具有相应的根节点。 所述方法，网络设备和计算机程序产品基于沿着从每个树的第一节点到相应根节点的最短路径的一个或多个链路来确定与所述多个目的地树中的每一个对应的多个成本值 。 基于确定的成本值，方法，网络设备和计算机程序产品选择多目的地树中的一个或多个并且使用所选择的树发送多目的地消息。
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14.发明申请SYSTEM AND METHOD FOR PROVIDING N-WAY LINK-STATE ROUTING REDUNDANCY WITHOUT PEER LINKS IN A NETWORK ENVIRONMENT 有权用于在网络环境中不提供相同链路的N路链路状态路由冗余的系统和方法公开(公告)号：US20140086041A1
公开(公告)日：2014-03-27
申请号：US13629587
申请日：2012-09-27
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Varun Shah , Tissa Senevirathne , Ayan Banerjee , Ronak Desai , Raghava Sivaramu
Abstract: A method is provided in one example and includes broadcasting a switching node identifier associated with a first link-state protocol enabled switching node to a plurality of link-state protocol enabled switching nodes. The plurality of link-state protocol enabled switching nodes are in communication with one another by a link-state protocol cloud. The method further includes broadcasting a priority associated with the first link-state protocol enabled switching node to the plurality of link-state protocol enabled switching nodes. The method further includes broadcasting connectivity information of the first link-state protocol enabled switching node to the plurality of link-state protocol enabled switching nodes using the link-state protocol cloud. The connectivity information includes connectivity of the first link-state protocol enabled switching node with at least one spanning tree protocol enabled switching node.
Abstract translation: 在一个示例中提供了一种方法，并且包括将与启用第一链路状态协议的交换节点相关联的交换节点标识广播到多个支持链路状态协议的交换节点。 多个链路状态协议使能的交换节点通过链路状态协议云彼此通信。 该方法还包括将与启用第一链路状态协议的交换节点相关联的优先级广播到多个支持链路状态协议的交换节点。 该方法还包括使用链路状态协议云将具有第一链路状态协议的交换节点的连接信息广播到使用多个链路状态协议的交换节点。 连通性信息包括启用第一链路状态协议的交换节点与至少一个支持生成树协议的交换节点的连通性。
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公开(公告)号：US20240414102A1
公开(公告)日：2024-12-12
申请号：US18331681
申请日：2023-06-08
Applicant: Cisco Technology, Inc.
Inventor： Pascal Thubert , Carlos Pignataro , Ayan Banerjee
IPC: H04L47/70 , H04L47/125
Abstract: Devices, systems, methods, and processes for sustainably operating a plurality of network planes via de-energization and re-energization is described herein. In many network configurations, a plurality of planes exist that allow for more modular connections in a network fabric. Often, these planes are configured such that each plane is not directly connected to another plane. Because of this, various embodiments described herein can evaluate network conditions and determine if there are conditions suitable to de-energize a plane by either directing the plane to enter a lower-power mode, by shutting off the plane, or disconnecting the available power. This de-energization period can be for a period of time or can occur until a triggering event is detected that indicates that the plane should be re-energized. These determinations can be done based on current traffic trends or historical conditions. They may also be heuristic-based or generated via one or more machine-learning processes.
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Patent Agency Ranking
公开(公告)号：US12040991B2
公开(公告)日：2024-07-16
申请号：US18232276
申请日：2023-08-09
Applicant: Cisco Technology, Inc.
Inventor： Chakradhar Kar , Sagar Borikar , Ramesh Sivakolundu , Ayan Banerjee , Anant Thakar
IPC: H04L47/72 , G06F3/06 , G06F9/50 , H04L47/70 , H04L47/722 , H04L67/141 , H04L67/568 , H04L69/08
CPC classification number: H04L47/72 , G06F3/0601 , G06F9/50 , H04L47/722 , H04L47/822 , H04L47/829 , H04L67/141 , H04L67/568 , H04L69/08
Abstract: Techniques for sending Compute Express Link (CXL) packets over Ethernet (CXL-E) in a composable data center that may include disaggregated, composable servers. The techniques may include receiving, from a first server device, a request to bind the first server device with a multiple logical device (MLD) appliance. Based at least in part on the request, a first CXL-E connection may be established for the first server device to export a computing resource to the MLD appliance. The techniques may also include receiving, from the MLD appliance, an indication that the computing resource is available, and receiving, from a second server device, a second request for the computing resource. Based at least in part on the second request, a second CXL-E connection may be established for the second server device to consume or otherwise utilize the computing resource of the first server device via the MLD appliance.
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公开(公告)号：US20240143773A1
公开(公告)日：2024-05-02
申请号：US18051167
申请日：2022-10-31
Applicant: Cisco Technology, Inc.
Inventor： Mike Dvorkin , Chakradhar Kar , Ayan Banerjee
IPC: G06F21/57
CPC classification number: G06F21/575 , G06F2221/034
Abstract: A method of creating a root-of-trust (RoT) within a network fabric may include powering on a network interface card (NIC) baseboard management controller (BMC) (NIC BMC), booting up a NIC via the NIC BMC, obtaining an address for the NIC, verifying an identity of the NIC at a fabric trust identity server using a key obtained from a secure vault communicatively coupled to the NIC BMC, verifying with the fabric trust identity server a number of images of a host device residing in the NIC based at least in part on the identity of the NIC being verified, and instructing a platform BMC to boot up the host device based at least in part on the number of images of the host device being verified.
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公开(公告)号：US20200235959A1
公开(公告)日：2020-07-23
申请号：US16842422
申请日：2020-04-07
Applicant: Cisco Technology, Inc.
Inventor： Swami Narayanan , Ambrish Mehta , Venkatesh Srinivasan , Raghava Sivaramu , Ayan Banerjee
Abstract: Aspects of the disclosed technology address limitations relating to packet replication for multi-destination traffic, by providing methods for performing hardware-based replication in network infrastructure devices, such as switches. In some aspects, application specific integrated circuits (ASICs) resident in physical devices can be used to perform packet replication. Depending on implementation, a hardware-based replication process can include steps for receiving a first packet that includes a first outer header containing first address information, receiving a second packet including a second outer header containing a hardware replication flag, forwarding the first packet to all virtual tunnel endpoints (VTEPs) connected with the TOR switch, and performing hardware replication for the second packet based on the hardware replication flag to generate one or more unicast packets. Systems and machine readable media are also provided.
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公开(公告)号：US10511518B2
公开(公告)日：2019-12-17
申请号：US15926594
申请日：2018-03-20
Applicant: Cisco Technology, Inc.
Inventor： Sourabh Jain , Varun Shah , Ayan Banerjee
IPC: H04L12/733 , H04W40/02 , H04L12/753 , H04L12/761 , H04L12/721
Abstract: The proposed methodology enables finding the most efficient roots in the network to carry multicast traffic, while further providing a theoretical basis for such selection. It guarantees the minimum expected delivery cost for multicast frames in the absence of any knowledge about the source and receivers.
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公开(公告)号：US09942127B2
公开(公告)日：2018-04-10
申请号：US15273798
申请日：2016-09-23
Applicant: Cisco Technology, Inc.
Inventor： Sourabh Jain , Varun Shah , Ayan Banerjee
IPC: H04L12/733 , H04W40/02 , H04L12/753 , H04L12/761 , H04L12/721
CPC classification number: H04L45/122 , H04L45/12 , H04L45/16 , H04L45/48 , H04W40/02
Abstract: The proposed methodology enables finding the most efficient roots in the network to carry multicast traffic, while further providing a theoretical basis for such selection. It guarantees the minimum expected delivery cost for multicast frames in the absence of any knowledge about the source and receivers.
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