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1. 发明授权

US11609781B2 Providing services with guest VM mobility 有权
公开(公告)号：US11609781B2
公开(公告)日：2023-03-21
申请号：US17352298
申请日：2021-06-19
申请人： VMware, Inc.
发明人： Rahul Mishra , Camille Lecuyer , Saahil Gokhale , Rajeev Nair , Kantesh Mundaragi , Pierluigi Rolando , Jayant Jain , Raju Koganty
IPC分类号： G06F9/455 , H04L45/00 , H04L47/125 , H04L69/324 , H04L69/325 , H04L69/321 , H04L12/46 , H04L47/17 , H04L49/25 , H04L41/5054 , G06F9/54 , H04L45/74 , H04L47/19 , H04L41/0803 , H04L41/5003 , H04L67/10 , H04L45/586 , H04L45/302 , H04L45/745 , H04L67/101 , H04L41/0816 , H04L47/2425 , H04L49/00 , H04L61/2592 , H04L67/51 , H04L67/56 , H04L67/60 , H04L67/563 , H04L67/1001 , H04L41/0806 , H04L41/0893 , H04L101/622
摘要： Some embodiments provide a method for performing services for data messages associated with a machine executing on a particular host computer. On the particular host computer, the method configures (1) a first distributed forwarding element (DFE) to forward data messages sent by the machine based on network addresses specified by machine, and (2) a second DFE to forward data messages sent by the machine to a set of one or more other host computers on which a set of one or more service nodes before the data messages are returned to the particular host computer to be forwarded by the first DFE based on the network addresses specified by the machine. Each DFE is implemented by at least one software forwarding element executing (SFE) on the particular host computer and at least one other SFE executing on at least one other host computer.

2. 发明授权

US11368387B2 Using router as service node through logical service plane 有权
公开(公告)号：US11368387B2
公开(公告)日：2022-06-21
申请号：US16904442
申请日：2020-06-17
申请人： VMware, Inc.
发明人： Pierluigi Rolando , Jayant Jain , Raju Koganty , Kantesh Mundaragi , Yuxiao Zhang , Rahul Mishra , Akhila Naveen
IPC分类号： H04L45/00 , H04L47/2441 , H04L67/142 , H04L45/586 , H04L12/46 , H04L45/745 , H04L47/2408 , H04L67/51 , H04L45/02 , H04L45/12 , H04L45/24 , H04L45/302 , H04L49/20 , H04L41/0893 , H04L49/00 , H04L9/40 , H04L67/1004 , H04L47/125 , H04L67/146 , H04L67/563 , H04L67/63 , H04L41/0654 , H04L45/30 , H04L45/741 , H04L47/70
摘要： Some embodiments facilitate the provision of a service reachable at a virtual internet protocol (VIP) address. The VIP address is used by clients to access a set of service nodes in the logical network. Facilitating the provision of the service, in some embodiments, includes returning a serviced data message to a load balancer that selected a service node to provide the service for the load balancer to track the state of the connection using the service logical forwarding element. To use the service logical forwarding element, some embodiments configure an egress datapath of the service nodes to intercept the serviced data message before being forwarded to a logical forwarding element in the datapath from the client to the service node, and determine if the serviced data message requires routing by the routing service provided as a service by the edge forwarding element.

3. 发明申请

US20220078037A1 SERVICE INSERTION FOR MULTICAST TRAFFIC AT BOUNDARY 有权
公开(公告)号：US20220078037A1
公开(公告)日：2022-03-10
申请号：US17528094
申请日：2021-11-16
申请人： VMware, Inc.
发明人： Rahul Mishra , Pierluigi Rolando , Stephen Tan , Raju Koganty
IPC分类号： H04L12/18 , H04L12/761 , H04L29/12 , H04L12/46
摘要： Some embodiments of the invention provide novel methods for providing transparent services for multicast data messages traversing a network edge device operating at a boundary between two networks. The method analyzes data messages received at the network edge device to determine whether they require a service provided at the boundary and whether they are unicast or multicast (including broadcast). The method modifies a multicast destination media access control (MAC) address of a multicast data message requiring a service to be a unicast destination MAC address and provides, without processing by a standard routing function, the modified data message directly to an interface associated with a service node that provides the particular service required by the data message. The method receives the serviced data message, restores the multicast destination MAC address, and forwards the serviced data message to a set of destinations associated with the multicast destination address.

4. 发明申请

US20210314415A1 PROVIDING SERVICES AT THE EDGE OF A NETWORK USING SELECTED VIRTUAL TUNNEL INTERFACES 有权
公开(公告)号：US20210314415A1
公开(公告)日：2021-10-07
申请号：US16904399
申请日：2020-06-17
申请人： VMware, Inc.
发明人： Pierluigi Rolando , Jayant Jain , Raju Koganty , Kantesh Mundaragi , Yuxiao Zhang , Rahul Mishra , Akhila Naveen
IPC分类号： H04L29/08 , H04L12/46 , H04L29/06
摘要： For traffic exiting a logical network through a particular VTI, some embodiments perform a service classification operation for different data messages to identify different VTIs that connect the edge forwarding element to a service node to provide services required by the data messages. Each data message, in some embodiments, is then forwarded to the identified VTI to receive the required service. The identified VTI does not perform a service classification operation. The service node then returns the serviced data message to the edge forwarding element. In some embodiments, the identified VTI is not configured to perform the service classification operation and is instead configured to mark all traffic directed to the edge forwarding element as having been serviced. The marked serviced data message is received at the edge forwarding element and forwarded to a destination of the data message through the particular VTI.

5. 发明授权

US11074097B2 Specifying service chains 有权
公开(公告)号：US11074097B2
公开(公告)日：2021-07-27
申请号：US16444935
申请日：2019-06-18
申请人： VMware, Inc.
发明人： Akhila Naveen , Fenil Kavathia , Yong Feng , Pierluigi Rolando , Jayant Jain , Raju Koganty
IPC分类号： G06F9/455 , H04L12/721 , H04L12/803 , H04L29/08 , H04L12/947 , G06F9/54 , H04L12/741 , H04L12/46 , H04L12/801 , H04L29/12 , H04L12/24 , H04L12/713 , H04L12/725 , H04L12/851 , H04L12/935
摘要： Some embodiments provide novel methods for performing services for machines operating in one or more datacenters. For instance, for a group of related guest machines (e.g., a group of tenant machines), some embodiments define two different forwarding planes: (1) a guest forwarding plane and (2) a service forwarding plane. The guest forwarding plane connects to the machines in the group and performs L2 and/or L3 forwarding for these machines. The service forwarding plane (1) connects to the service nodes that perform services on data messages sent to and from these machines, and (2) forwards these data messages to the service nodes. In some embodiments, the guest machines do not connect directly with the service forwarding plane. For instance, in some embodiments, each forwarding plane connects to a machine or service node through a port that receives data messages from, or supplies data messages to, the machine or service node. In such embodiments, the service forwarding plane does not have a port that directly receives data messages from, or supplies data messages to, any guest machine. Instead, in some such embodiments, data associated with a guest machine is routed to a port proxy module executing on the same host computer, and this other module has a service plane port. This port proxy module in some embodiments indirectly can connect more than one guest machine on the same host to the service plane (i.e., can serve as the port proxy module for more than one guest machine on the same host).

6. 发明申请

US20210120080A1 LOAD BALANCING FOR THIRD PARTY SERVICES 有权
公开(公告)号：US20210120080A1
公开(公告)日：2021-04-22
申请号：US16785674
申请日：2020-02-10
申请人： VMWARE, INC.
发明人： RAHUL MISHRA , Kantesh Mundaragi , Raju Koganty
IPC分类号： H04L29/08 , H04L12/24 , H04L12/66
摘要： Some embodiments provide a novel method for distributing data message flows among multiple service nodes that provide a particular service in a managed network. In some embodiments, the service nodes provide an edge service at an edge device (e.g., a gateway) of the managed network. The method collects a set of attributes from each service node of the multiple service nodes regarding the service node from which the set of attributes are collected. The collected attributes may include usage statistics, characteristics of the service nodes, and characteristics of the connections to the service nodes. The collected attributes are used to compute a score (e.g., a weight or priority) for each service node. Based on the policy and the computed scores, a set of rules and tables are generated to distribute the data message flows to the service nodes to implement the policy.

7. 发明授权

US10944673B2 Redirection of data messages at logical network gateway 有权
公开(公告)号：US10944673B2
公开(公告)日：2021-03-09
申请号：US16120281
申请日：2018-09-02
申请人： VMware, Inc.
发明人： Akhila Naveen , Kantesh Mundaragi , Rahul Mishra , Fenil Kavathia , Raju Koganty , Pierluigi Rolando , Yong Feng , Jayant Jain
IPC分类号： H04L12/741 , H04L29/08 , H04L12/713
摘要： Some embodiments provide a method for forwarding a data message. The method performs a lookup to map a set of header fields of the data message to an identifier corresponding to a service that performs non-forwarding processing on data messages. The method uses a dynamically-updated data structure for the identifier to retrieve instructions for forwarding data messages to the service. The method forwards the data message according to the retrieved instructions from the data structure for the identifier.

8. 发明授权

US10924397B2 Multi-VRF and multi-service insertion on edge gateway virtual machines 有权
公开(公告)号：US10924397B2
公开(公告)日：2021-02-16
申请号：US16283665
申请日：2019-02-22
申请人： VMware, Inc.
发明人： Rahul Mishra , Kantesh Mundaragi , Stephen Tan , Akhila Naveen , Pierluigi Rolando , Raju Koganty
IPC分类号： H04L12/28 , H04L12/713 , H04L12/707 , H04L29/12
摘要： In an embodiment, a method for a VRF and multi-service insertion on edge gateways is described. In an embodiment, the method comprises: detecting a packet; determining attributes for the packet; based on the attributes, determining whether the attributes match one or more rule attributes of a particular rule in a rule table; in response to determining that the attributes match the one or more rule attributes of a particular rule in the rule table: determining, based on the particular rule, a particular redirection identifier, a particular VRF identifier, a particular next_hop, a particular address pair, and a particular BFD status; based on the particular BFD status, determining whether to redirect the packet; and in response to determining to redirect the packet, redirecting the packet toward a service virtual machine from an interface indicated by one of addresses in the particular address pair.

9. 发明申请

US20200274945A1 SERVICE CONTROL PLANE MESSAGING IN SERVICE DATA PLANE 审中-公开
公开(公告)号：US20200274945A1
公开(公告)日：2020-08-27
申请号：US16444956
申请日：2019-06-18
申请人： VMware, Inc.
发明人： Pierluigi Rolando , Kantesh Mundaragi , Rahul Mishra , Jayant Jain , Raju Koganty
IPC分类号： H04L29/08
摘要： Some embodiments provide novel methods for performing services for machines operating in one or more datacenters. For instance, for a group of related guest machines (e.g., a group of tenant machines), some embodiments define two different forwarding planes: (1) a guest forwarding plane and (2) a service forwarding plane. The guest forwarding plane connects to the machines in the group and performs L2 and/or L3 forwarding for these machines. The service forwarding plane (1) connects to the service nodes that perform services on data messages sent to and from these machines, and (2) forwards these data messages to the service nodes. In some embodiments, the guest machines do not connect directly with the service forwarding plane. For instance, in some embodiments, each forwarding plane connects to a machine or service node through a port that receives data messages from, or supplies data messages to, the machine or service node. In such embodiments, the service forwarding plane does not have a port that directly receives data messages from, or supplies data messages to, any guest machine. Instead, in some such embodiments, data associated with a guest machine is routed to a port proxy module executing on the same host computer, and this other module has a service plane port. This port proxy module in some embodiments indirectly can connect more than one guest machine on the same host to the service plane (i.e., can serve as the port proxy module for more than one guest machine on the same host).

10. 发明申请

US20200274808A1 SERVICE PATH SELECTION IN LOAD BALANCED MANNER 审中-公开
公开(公告)号：US20200274808A1
公开(公告)日：2020-08-27
申请号：US16445058
申请日：2019-06-18
申请人： VMware, Inc.
发明人： Kantesh Mundaragi , Rahul Mishra , Pierluigi Rolando , Jayant Jain , Raju Koganty
IPC分类号： H04L12/803
摘要： Some embodiments provide novel methods for performing services for machines operating in one or more datacenters. For instance, for a group of related guest machines (e.g., a group of tenant machines), some embodiments define two different forwarding planes: (1) a guest forwarding plane and (2) a service forwarding plane. The guest forwarding plane connects to the machines in the group and performs L2 and/or L3 forwarding for these machines. The service forwarding plane (1) connects to the service nodes that perform services on data messages sent to and from these machines, and (2) forwards these data messages to the service nodes. In some embodiments, the guest machines do not connect directly with the service forwarding plane. For instance, in some embodiments, each forwarding plane connects to a machine or service node through a port that receives data messages from, or supplies data messages to, the machine or service node. In such embodiments, the service forwarding plane does not have a port that directly receives data messages from, or supplies data messages to, any guest machine. Instead, in some such embodiments, data associated with a guest machine is routed to a port proxy module executing on the same host computer, and this other module has a service plane port. This port proxy module in some embodiments indirectly can connect more than one guest machine on the same host to the service plane (i.e., can serve as the port proxy module for more than one guest machine on the same host).

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