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1. 发明公开

US20240243942A1 MULTICAST GROUP MEMBERSHIP CONTROL FOR A CONTAINER ENVIRONMENT 审中-公开
公开(公告)号：US20240243942A1
公开(公告)日：2024-07-18
申请号：US18126325
申请日：2023-03-24
申请人： VMware, Inc.
发明人： Bin Liu , Wenying Dong , Ruochen Shen , Quan Tian , Jianjun Shen
IPC分类号： H04L12/18 , H04L45/16
CPC分类号： H04L12/185 , H04L45/16
摘要： The disclosure provides approaches for managing multicast group membership at a node. An approach includes policing whether a pod can join a multicast group based on one or more rules. The approach further includes updating forwarding tables of a virtual switch based on whether the pod is allowed to join the multicast group.

2. 发明公开

US20230300002A1 MAPPING VLAN OF CONTAINER NETWORK TO LOGICAL NETWORK IN HYPERVISOR TO SUPPORT FLEXIBLE IPAM AND ROUTING CONTAINER TRAFFIC 审中-公开
公开(公告)号：US20230300002A1
公开(公告)日：2023-09-21
申请号：US17724433
申请日：2022-04-19
申请人： VMware, Inc.
发明人： Jianjun Shen , Ran Gu , Caixia Jiang , Yves Fauser
IPC分类号： H04L12/46 , H04L41/122 , H04L41/0803 , G06F9/54
CPC分类号： H04L12/4645 , H04L41/122 , H04L41/0803 , G06F9/547
摘要： Some embodiments of the invention provide a method for adding routable subnets to a logical network that connects multiple machines and is implemented by a software defined network (SDN). The method receives an intent-based API that includes a request to add a routable subnet to the logical network. The method defines (i) a VLAN (virtual local area network) tag associated with the routable subnet, (ii) a first identifier associated with a first logical switch to which at least a first machine in the multiple machines that executes a set of containers belonging to the routable subnet attaches, and (iii) a second identifier associated with a second logical switch designated for the routable subnet. The method generates an API call that maps the VLAN tag and the first identifier to the second identifier. The method provides the API call to a management and control cluster of the SDN to direct the management and control cluster to implement the routable subnet.

3. 发明授权

US11698805B2 Exchanging runtime state information between datacenters with a gateway using a controller bridge 有权
公开(公告)号：US11698805B2
公开(公告)日：2023-07-11
申请号：US16532098
申请日：2019-08-05
申请人： VMware, Inc.
发明人： Da Wan , Jianjun Shen , Feng Pan , Pankaj Thakkar , Donghai Han
IPC分类号： G06F9/455 , G06F9/50
CPC分类号： G06F9/45558 , G06F9/5083 , G06F2009/4557 , G06F2009/45595
摘要： In an embodiment, a computer-implemented method for dynamically exchanging runtime state data between datacenters with a gateway using a controller bridge is disclosed. In an embodiment, the method comprises: receiving one or more first runtime state data from one or more logical sharding central control planes (“CCPs”) controlling one or more logical sharding hosts; receiving one or more second runtime state data from a gateway that is controlled by a CCP that also controls one or more physical sharding hosts; aggregating to aggregated runtime state data, the one or more first runtime state data received from the one or more logical sharding CCPs and the one or more second runtime state data received from the gateway; determining updated runtime state data based on the aggregated runtime state data, the one or more first runtime state data, and the one or more second runtime state data; and transmitting the updated runtime state data to at least one of the one or more logical sharding CCPs and the gateway.

4. 发明授权

US11558426B2 Connection tracking for container cluster 有权
公开(公告)号：US11558426B2
公开(公告)日：2023-01-17
申请号：US17006846
申请日：2020-08-30
申请人： VMware, Inc.
发明人： Jianjun Shen , Wenying Dong , Quan Tian , Antonin Bas , Srikar Tati
IPC分类号： G06F15/173 , H04L9/40 , G06F9/50 , H04L43/045 , H04L43/10
摘要： Some embodiments provide a method for a module executing on a Kubernetes node in a cluster. The method retrieves data regarding ongoing connections processed by a forwarding element executing on the node. The method maps the retrieved data to Kubernetes concepts implemented in the cluster. The method exports the retrieved data along with the Kubernetes concepts to an aggregator that receives data regarding ongoing connections from a plurality of nodes in the cluster.

5. 发明授权

US11196628B1 Monitoring container clusters 有权
公开(公告)号：US11196628B1
公开(公告)日：2021-12-07
申请号：US17006847
申请日：2020-08-30
申请人： VMware, Inc.
发明人： Jianjun Shen , Wenying Dong , Quan Tian , Antonin Bas
IPC分类号： H04L12/24 , H04L12/935
摘要： Some embodiments provide a method that receives a request for flow entries associated with a particular Kubernetes concept. The method identifies flow entries that match the request. For each flow entry that matches the request, the method generates mapping data that maps elements of the flow entry to additional Kubernetes concepts. The method provides the flow entries with the mapping data in response to the request.

6. 发明授权

US10999196B2 Global replication mode for overlay runtime state migration 有权
公开(公告)号：US10999196B2
公开(公告)日：2021-05-04
申请号：US16384666
申请日：2019-04-15
申请人： VMware, Inc.
发明人： Da Wan , Mukesh Hira , Feng Gu , Jianjun Shen , Pankaj Thakkar , Donghai Han , Wen Feng Liu , Tao Ma
IPC分类号： H04L12/715 , H04L12/933 , H04L12/931 , H04L12/46
摘要： Systems and methods of communicating between a plurality of hosts comprising one or more first hosts controlled by a first control plane and one or more second hosts controlled by a second control plane are disclosed herein. Each of the one or more first hosts runs at least one tunneling endpoint of one or more first tunneling endpoints, and each of the one or more second hosts runs at least one tunneling endpoint of one or more second tunneling endpoint. The method includes storing, at each of the one or more first hosts, a global list identifying at least the one or more second tunneling endpoints. The method further includes receiving a packet at one of the one or more first tunneling endpoints. The method further includes replicating, encapsulating, and transmitting the packet to each of the one or more second tunneling endpoints based on the global list.

7. 发明申请

US20210011781A1 EXCHANGING RUNTIME STATE INFORMATION BETWEEN DATACENTERS WITH A GATEWAY USING A CONTROLLER BRIDGE 有权
公开(公告)号：US20210011781A1
公开(公告)日：2021-01-14
申请号：US16532098
申请日：2019-08-05
申请人： VMware, Inc.
发明人： Da Wan , Jianjun Shen , Feng Pan , Pankaj Thakkar , Donghai Han
IPC分类号： G06F9/50 , G06F9/455
摘要： In an embodiment, a computer-implemented method for dynamically exchanging runtime state data between datacenters with a gateway using a controller bridge is disclosed. In an embodiment, the method comprises: receiving one or more first runtime state data from one or more logical sharding central control planes (“CCPs”) controlling one or more logical sharding hosts; receiving one or more second runtime state data from a gateway that is controlled by a CCP that also controls one or more physical sharding hosts; aggregating to aggregated runtime state data, the one or more first runtime state data received from the one or more logical sharding CCPs and the one or more second runtime state data received from the gateway; determining updated runtime state data based on the aggregated runtime state data, the one or more first runtime state data, and the one or more second runtime state data; and transmitting the updated runtime state data to at least one of the one or more logical sharding CCPs and the gateway.

8. 发明申请

US20200328967A1 SERVICE PATH IDENTIFIER ALLOCATION IN SERVICE INSERTION 审中-公开
公开(公告)号：US20200328967A1
公开(公告)日：2020-10-15
申请号：US16382002
申请日：2019-04-11
申请人： VMware, Inc.
发明人： Ziyou Wang , Li Sun , Anuprem Chalvadi , Yanjun Lin , Yang Ping , Mary Firenze , Pierluigi Rolando , Yong Feng , Raju Koganty , Jianjun Shen , Medhavi Dhawan
IPC分类号： H04L12/717 , H04L12/707 , G06F9/455
摘要： Some embodiments provide a method for assigning different service path identifiers to each of a set of different service paths along each of which a same set of service operations are performed on a set of packets. The method retrieves an available service path identifier from an identifier storage that stores service path identifiers for multiple service paths. The method generates a set of proposed service path identifiers based on the retrieved available service path identifier and the number of service paths in the set of service paths. The method performs a write operation on the identifier storage based on the set of proposed service path identifiers, and based on a determination that the write operation was successful, assigns the set of proposed service path identifiers to the set of service paths. Based on the set of service path identifiers, the method forwards the set of packets along the set of service paths.

9. 发明申请

US20150058463A1 PROXY METHODS FOR SUPPRESSING BROADCAST TRAFFIC IN A NETWORK 有权
公开(公告)号：US20150058463A1
公开(公告)日：2015-02-26
申请号：US14070346
申请日：2013-11-01
申请人： VMware, Inc.
发明人： Hua Wang , Jianjun Shen , Donghai Han , Caixia Jiang , Wei Lu , Rahul Korivi Subramaniyam
IPC分类号： H04L12/58
CPC分类号： H04L63/0281 , G06F9/45558 , G06F2009/45595 , H04L51/12 , H04L61/103 , H04L61/2015 , H04L61/6013 , H04L61/6022 , H04L63/0236 , H04L63/1441 , H04L63/1466
摘要： Some embodiments use proxies on host devices to suppress broadcast traffic in a network. Each host in some embodiments executes one or more virtual machines (VMs). In some embodiments, a proxy operates on each host between each VM and the underlying network. For instance, in some of these embodiments, a VM's proxy operates between the VM and a physical forwarding element executing on the VM's host. The proxy monitors the VM's traffic, and intercepts broadcast packets when it knows how to deal with them. The proxy connects to a set of one or more controllers that provides a directory service that collects and maintains global information of the network. By connecting to the controller cluster, the proxy can obtain information that it can use to resolve broadcast requests. In some embodiments, the connection between the proxy and the controller cluster is encrypted and authenticated, to enhance the security. Also, in some embodiments, the connection is an indirect connection through an agent that executes on the host device and connects the proxies of the host device with the controller cluster.

10. 发明公开

US20240031267A1 FLOW TRACING FOR HETEROGENEOUS NETWORKS 审中-公开
公开(公告)号：US20240031267A1
公开(公告)日：2024-01-25
申请号：US17898344
申请日：2022-08-29
申请人： VMware, Inc.
发明人： Ran Gu , Wenfeng Liu , Donghai Han , Jianjun Shen , Zhengsheng Zhou
IPC分类号： H04L43/10 , H04L43/062
CPC分类号： H04L43/10 , H04L43/062
摘要： Some embodiments of the invention provide a method for performing data traffic monitoring for a system that includes a set of heterogeneous networks that includes at least an overlay first network layer that is built on top of an underlay second network layer. The method is performed at a federation controller for the system. The method directs (1) a first set of components in the overlay first network layer to perform a first trace operation to trace a packet exchanged between two machines and passing through network components defined in the overlay first network layer and underlay second network layer and (2) a second set of components in the underlay second network layer to perform a second trace operation to trace the packet. The method receives, from the first and second sets of components, first and second sets of trace data collected during the first and second trace operations. The collected trace data includes correlation data for correlating the first and second sets of data. The method uses the correlation data to correlate the first and second sets of trace data to generate a final trace report identifying a complete path traversed by the packet through the overlay first network layer and underlay second network layer.

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