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公开(公告)号：US20240015086A1
公开(公告)日：2024-01-11
申请号：US18370006
申请日：2023-09-19
申请人： Nicira, Inc.
发明人： Sami Boutros , Stephen Tan , Rahul Mishra , Kantesh Mundaragi , Jayant Jain , Akhila Naveen
IPC分类号： H04L43/0805 , H04L41/0668 , H04L43/10
CPC分类号： H04L43/0805 , H04L41/0668 , H04L43/10
摘要： Some embodiments provide a method for detecting a failure of a layer 2 (L2) bump-in-the-wire service at a device. In some embodiments, the device sends heartbeat signals to a second device connected to L2 service nodes in order to detect failure of the L2 service (e.g., a failure of all the service nodes). In some embodiments, the heartbeat signals are unidirectional heartbeat signals (e.g., a unidirectional bidirectional-forwarding-detection (BFD) session) sent from each device to the other. The heartbeat signals, in some embodiments, use a broadcast MAC address in order to reach the current active L2 service node in the case of a failover (i.e., an active service node failing and a standby service node becoming the new active service node). The unidirectional heartbeat signals are also used, in some embodiments, to decrease the time between a failover and data messages being forwarded to the new active service node.
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公开(公告)号：US20170063651A1
公开(公告)日：2017-03-02
申请号：US14839031
申请日：2015-08-28
申请人： Nicira, Inc.
发明人： Xin Wang , Yusheng Wang , Jianjun Shen , Donghai Han , Hua Wang , Chidambareswaran Raman , Akhila Naveen , Raju Koganty
IPC分类号： H04L12/26
摘要： A novel centralized troubleshooting tool that enables user to troubleshoot a distributed virtual network with a single consistent user interface is provided. The distributed virtual network being monitored or debugged by the centralized troubleshooting tool includes different types of logical resources (LRs) that placed or distributed across different physical endpoints (PEs). The centralized troubleshooting tool provides functions that allow the user to invoke commands on different physical endpoints in order to collect information about the logical resources running in those physical endpoints. This allows the user to compare and analyze the information from different PEs for a same LR.
摘要翻译： 提供了一种新颖的集中式故障排除工具，使用户能够使用一致的用户界面对分布式虚拟网络进行故障排除。 由集中式故障排除工具监控或调试的分布式虚拟网络包括放置或分布在不同物理端点（PE）上的不同类型的逻辑资源（LR）。 集中式故障排除工具提供了允许用户在不同物理端点上调用命令的功能，以便收集有关在这些物理端点中运行的逻辑资源的信息。 这允许用户比较和分析来自不同PE的相同LR的信息。
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公开(公告)号：US20170063642A1
公开(公告)日：2017-03-02
申请号：US14839075
申请日：2015-08-28
申请人： Nicira, Inc.
发明人： Xin Wang , Yusheng Wang , Jianjun Shen , Donghai Han , Hua Wang , Chidambareswaran Raman , Akhila Naveen , Raju Koganty
CPC分类号： H04L41/26 , H04L41/0879 , H04L41/22 , H04L67/2842
摘要： A novel centralized troubleshooting tool that enables user to troubleshoot a distributed virtual network with a single consistent user interface is provided. The distributed virtual network being monitored or debugged by the centralized troubleshooting tool includes different types of logical resources (LRs) that placed or distributed across different physical endpoints (PEs). The centralized troubleshooting tool provides functions that allow the user to invoke commands on different physical endpoints in order to collect information about the logical resources running in those physical endpoints. This allows the user to compare and analyze the information from different PEs for a same LR.
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公开(公告)号：US20190306086A1
公开(公告)日：2019-10-03
申请号：US15937615
申请日：2018-03-27
申请人： Nicira, Inc.
发明人： Sami Boutros , Stephen Tan , Rahul Mishra , Kantesh Mundaragi , Jayant Jain , Sumedh Saurav , Abhishek Mishra , Akhila Naveen
IPC分类号： H04L12/935 , H04L12/66 , H04L12/931 , H04L12/771 , H04L12/721
摘要： Some embodiments provide a method for providing a layer 2 (L2) bump-in-the-wire service at a gateway device (e.g., a layer 3 (L3) gateway device) at the edge of a logical network. The method, in some embodiments, establishes a connection from a first interface of the gateway device to a service node that provides the L2 service. The method also establishes a connection from a second interface of the gateway device to the L2 service node. The method then sends data messages received by the gateway device that require the L2 service to the service node using the first interface. Some embodiments provide a method for applying different policies at the service node for different tenants of a datacenter. Data messages received for a particular tenant that require the L2 service are encapsulated or marked as belonging to the tenant before being sent to the service node. Based on the encapsulation or marking, the service node provides the service according to policies defined for the tenant.
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公开(公告)号：US10218560B2
公开(公告)日：2019-02-26
申请号：US14839105
申请日：2015-08-28
申请人： Nicira, Inc.
发明人： Xin Wang , Yusheng Wang , Jianjun Shen , Donghai Han , Hua Wang , Chidambareswaran Raman , Akhila Naveen , Raju Koganty
摘要： A novel centralized troubleshooting tool that enables user to troubleshoot a distributed virtual network with a single consistent user interface is provided. The distributed virtual network being monitored or debugged by the centralized troubleshooting tool includes different types of logical resources (LRs) that placed or distributed across different physical endpoints (PEs). The centralized troubleshooting tool provides functions that allow the user to invoke commands on different physical endpoints in order to collect information about the logical resources running in those physical endpoints. This allows the user to compare and analyze the information from different PEs for a same LR.
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公开(公告)号：US20180006878A1
公开(公告)日：2018-01-04
申请号：US15389167
申请日：2016-12-22
申请人： Nicira, Inc.
IPC分类号： H04L12/24 , H04L12/46 , H04L12/803 , H04L12/931
CPC分类号： H04L41/22 , G06F11/00 , H04L41/044 , H04L41/0856
摘要： Some embodiments provide a method for troubleshooting a virtual network that is implemented over multiple computing devices, which include first and second host machines that host virtual machines (VMs). Each VM interfaces the virtual network through a set of virtual network interface controllers (VNICs). The method provides a command line interface (CLI) for debugging and monitoring the virtual network. In response to receiving a first command at the CLI that identifies a first VNIC, the method retrieves from the first host machine a first set of network service status data associated with the first VNIC. In response to receiving a second command at the CLI that identifies a second VNIC, the method retrieves from the second host machine a second set of network service status data associated with a second VNIC. The method presents the retrieved first and second sets of network service status data through the CLI.
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公开(公告)号：US20170060665A1
公开(公告)日：2017-03-02
申请号：US14839105
申请日：2015-08-28
申请人： Nicira, Inc.
发明人： Xin Wang , Yusheng Wang , Jianjun Shen , Donghai Han , Hua Wang , Chidambareswaran Raman , Akhila Naveen , Raju Koganty
IPC分类号： G06F11/07
CPC分类号： H04L41/00 , H04L41/046 , H04L41/0803 , H04L43/0811 , H04L43/10
摘要： A novel centralized troubleshooting tool that enables user to troubleshoot a distributed virtual network with a single consistent user interface is provided. The distributed virtual network being monitored or debugged by the centralized troubleshooting tool includes different types of logical resources (LRs) that placed or distributed across different physical endpoints (PEs). The centralized troubleshooting tool provides functions that allow the user to invoke commands on different physical endpoints in order to collect information about the logical resources running in those physical endpoints. This allows the user to compare and analyze the information from different PEs for a same LR.
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公开(公告)号：US11805036B2
公开(公告)日：2023-10-31
申请号：US17346255
申请日：2021-06-13
申请人： Nicira, Inc.
发明人： Sami Boutros , Stephen Tan , Rahul Mishra , Kantesh Mundaragi , Jayant Jain , Akhila Naveen
IPC分类号： H04L12/24 , H04L12/26 , H04L43/0805 , H04L41/0668 , H04L43/10
CPC分类号： H04L43/0805 , H04L41/0668 , H04L43/10
摘要： Some embodiments provide a method for detecting a failure of a layer 2 (L2) bump-in-the-wire service at a device. In some embodiments, the device sends heartbeat signals to a second device connected to L2 service nodes in order to detect failure of the L2 service (e.g., a failure of all the service nodes). In some embodiments, the heartbeat signals are unidirectional heartbeat signals (e.g., a unidirectional bidirectional-forwarding-detection (BFD) session) sent from each device to the other. The heartbeat signals, in some embodiments, use a broadcast MAC address in order to reach the current active L2 service node in the case of a failover (i.e., an active service node failing and a standby service node becoming the new active service node). The unidirectional heartbeat signals are also used, in some embodiments, to decrease the time between a failover and data messages being forwarded to the new active service node.
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公开(公告)号：US20190306036A1
公开(公告)日：2019-10-03
申请号：US15937621
申请日：2018-03-27
申请人： Nicira, Inc.
发明人： Sami Boutros , Stephen Tan , Rahul Mishra , Kantesh Mundaragi , Jayant Jain , Akhila Naveen
摘要： Some embodiments provide a method for detecting a failure of a layer 2 (L2) bump-in-the-wire service at a device. In some embodiments, the device sends heartbeat signals to a second device connected to L2 service nodes in order to detect failure of the L2 service (e.g., a failure of all the service nodes). In some embodiments, the heartbeat signals are unidirectional heartbeat signals (e.g., a unidirectional bidirectional-forwarding-detection (BFD) session) sent from each device to the other. The heartbeat signals, in some embodiments, use a broadcast MAC address in order to reach the current active L2 service node in the case of a failover (i.e., an active service node failing and a standby service node becoming the new active service node). The unidirectional heartbeat signals are also used, in some embodiments, to decrease the time between a failover and data messages being forwarded to the new active service node.
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公开(公告)号：US10333797B2
公开(公告)日：2019-06-25
申请号：US14839075
申请日：2015-08-28
申请人： Nicira, Inc.
发明人： Xin Wang , Yusheng Wang , Jianjun Shen , Donghai Han , Hua Wang , Chidambareswaran Raman , Akhila Naveen , Raju Koganty
摘要： A novel centralized troubleshooting tool that enables user to troubleshoot a distributed virtual network with a single consistent user interface is provided. The distributed virtual network being monitored or debugged by the centralized troubleshooting tool includes different types of logical resources (LRs) that placed or distributed across different physical endpoints (PEs). The centralized troubleshooting tool provides functions that allow the user to invoke commands on different physical endpoints in order to collect information about the logical resources running in those physical endpoints. This allows the user to compare and analyze the information from different PEs for a same LR.
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