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公开(公告)号：US20220006738A1
公开(公告)日：2022-01-06
申请号：US17476462
申请日：2021-09-15
Applicant: Cisco Technology, Inc.
Inventor： Prakash C. Jain , Sanjay Kumar Hooda , Satish Kondalam , Raja Janardanan , Aaditya Vadnere , Shivangi Sharma
IPC: H04L12/747 , H04L12/813 , H04L12/741 , H04L12/715 , H04L12/801
Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.
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公开(公告)号：US11902166B2
公开(公告)日：2024-02-13
申请号：US16984924
申请日：2020-08-04
Applicant: Cisco Technology, Inc.
Inventor： Raja Janardanan , Rajeev Kumar , Sanjay Kumar Hooda , Prakash C. Jain
IPC: H04L47/20 , H04L12/46 , H04L45/745 , H04L45/02
CPC classification number: H04L47/20 , H04L12/4641 , H04L45/02 , H04L45/745
Abstract: Routing of a traffic in a fabric network may be provided. A first traffic may be received at a first node. It may be determined that the first traffic is coming from a provider virtual network. In response to determining that the first traffic is coming from the provider virtual network, it may be determined that a first subnet associated with the first traffic is associated with a subscriber virtual network. In response to determining that the first subnet associated with the first traffic is associated with the subscriber virtual network, a first virtual network associated with the first traffic may be changed to the subscriber virtual network. A lookup for the first traffic may be changed to a first virtual routing and forwarding of the subscriber virtual network.
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公开(公告)号：US11706303B2
公开(公告)日：2023-07-18
申请号：US17237885
申请日：2021-04-22
Applicant: Cisco Technology, Inc.
Inventor： Raja Janardanan , Sanjay Kumar Hooda , Victor Manuel Moreno
IPC: G06F15/173 , H04L67/146 , H04L43/0811 , H04L45/745 , H04L49/10 , H04L49/201 , H04L67/147
CPC classification number: H04L67/146 , H04L43/0811 , H04L45/745 , H04L49/10 , H04L49/201 , H04L67/147
Abstract: The present disclosure provides systems, methods and computer-readable media for maintaining network connectivity, in a LISP based network, when one or more network edge nodes lose connectivity to a LISP control plane of the network, using multicast messaging. In one example, a method includes receiving a connection request from a first endpoint to a second endpoint communicatively coupled to a second edge node; determining, by the first edge node, that a connection session to a control plane for locating the second endpoint has failed; querying one or more available edge nodes for locating the second endpoint using a multicast message; locating the second endpoint based on at least one query response received from the one or more available edge nodes, at least one query response including an identifier of the second endpoint; and establishing the connection request between the first endpoint and the second endpoint upon locating the second endpoint.
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公开(公告)号：US20220345531A1
公开(公告)日：2022-10-27
申请号：US17237885
申请日：2021-04-22
Applicant: Cisco Technology, Inc.
Inventor： Raja Janardanan , Sanjay Kumar Hooda , Victor Manuel Moreno
IPC: H04L29/08 , H04L12/931 , H04L12/933 , H04L12/741 , H04L12/26
Abstract: The present disclosure provides systems, methods and computer-readable media for maintaining network connectivity, in a LISP based network, when one or more network edge nodes lose connectivity to a LISP control plane of the network, using multicast messaging. In one example, a method includes receiving a connection request from a first endpoint to a second endpoint communicatively coupled to a second edge node; determining, by the first edge node, that a connection session to a control plane for locating the second endpoint has failed; querying one or more available edge nodes for locating the second endpoint using a multicast message; locating the second endpoint based on at least one query response received from the one or more available edge nodes, at least one query response including an identifier of the second endpoint; and establishing the connection request between the first endpoint and the second endpoint upon locating the second endpoint.
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Patent Agency Ranking
公开(公告)号：US11165702B1
公开(公告)日：2021-11-02
申请号：US16864442
申请日：2020-05-01
Applicant: Cisco Technology, Inc.
Inventor： Prakash C. Jain , Sanjay Kumar Hooda , Satish Kondalam , Raja Janardanan , Aaditya Vadnere , Shivangi Sharma
IPC: H04L12/28 , H04L12/747 , H04L12/741 , H04L12/801 , H04L12/715 , H04L12/813 , H04L29/06
Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.
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公开(公告)号：US12028250B2
公开(公告)日：2024-07-02
申请号：US18323263
申请日：2023-05-24
Applicant: Cisco Technology, Inc.
Inventor： Prakash C. Jain , Sanjay Kumar Hooda , Satish Kondalam , Raja Janardanan , Aaditya Vadnere , Shivangi Sharma
Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.
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公开(公告)号：US20230308391A1
公开(公告)日：2023-09-28
申请号：US18323263
申请日：2023-05-24
Applicant: Cisco Technology, Inc.
Inventor： Prakash C. Jain , Sanjay Kumar Hooda , Satish Kondalam , Raja Janardanan , Aaditya Vadnere , Shivangi Sharma
Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.
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公开(公告)号：US11706139B2
公开(公告)日：2023-07-18
申请号：US17476462
申请日：2021-09-15
Applicant: Cisco Technology, Inc.
Inventor： Prakash C. Jain , Sanjay Kumar Hooda , Satish Kondalam , Raja Janardanan , Aaditya Vadnere , Shivangi Sharma
Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.
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公开(公告)号：US20210344595A1
公开(公告)日：2021-11-04
申请号：US16864442
申请日：2020-05-01
Applicant: Cisco Technology, Inc.
Inventor： Prakash C. Jain , Sanjay Kumar Hooda , Satish Kondalam , Raja Janardanan , Aaditya Vadnere , Shivangi Sharma
IPC: H04L12/747 , H04L12/741 , H04L12/813 , H04L12/801 , H04L12/715
Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.
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