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公开(公告)号：US11595315B2
公开(公告)日：2023-02-28
申请号：US17144652
申请日：2021-01-08
申请人： VMware, Inc.
发明人： Raja Kommula , Jeremy Tidemann , Constantine Polychronopoulos , Marc Andre Bordeleau , Edward Choh , Ojas Gupta , Robert Kidd , Georgios Oikonomou
IPC分类号： H04L47/2441 , H04L47/20 , H04L49/25 , H04L49/00 , H04L47/2425 , H04L47/2466 , H04L47/62 , H04L69/22
摘要： A switch in a slice-based network can be used to enforce quality of service (“QoS”). Agents can run in the switches, such as in the core of each switch. The switches can sort ingress packets into slice-specific ingress queues in a slice-based pool. The slices can have different QoS prioritizations. A switch-wide policing algorithm can move the slice-specific packets to egress interfaces. Then, one or more user-defined egress policing algorithms can prioritize which packets are sent out into the network first based on slice classifications.
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公开(公告)号：US11283717B2
公开(公告)日：2022-03-22
申请号：US16668505
申请日：2019-10-30
申请人： VMware, Inc.
发明人： Jeremy Tidemann , Constantine Polychronopoulos , Marc-Andre Bordeleau , Edward Choh , Ojas Gupta , Robert Kidd , Raja Kommula , Georgios Oikonomou , Mingjie Zhao
IPC分类号： H04L12/743 , H04L45/7453 , H04L45/28 , H04L9/06 , H04L45/00 , H04L45/021
摘要： Some embodiments of the invention provide novel methods for performing services on data messages passing through a network connecting one or more datacenters, such as software defined datacenters (SDDCs). The method of some embodiments uses service containers executing on host computers to perform different chains (e.g., ordered sequences) of services on different data message flows. For a data message of a particular data message flow that is received or generated at a host computer, the method in some embodiments uses a service classifier executing on the host computer to identify a service chain that specifies several services to perform on the data message. For each service in the identified service chain, the service classifier identifies a service container for performing the service. The service classifier then forwards the data message to a service forwarding element to forward the data message through the service containers identified for the identified service chain. The service classifier and service forwarding element are implemented in some embodiments as processes that are defined as hooks in the virtual interface endpoints (e.g., virtual Ethernet ports) of the host computer's operating system (e.g., Linux operating system) over which the service containers execute.
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23.发明申请公开(公告)号：US20210314255A1
公开(公告)日：2021-10-07
申请号：US17352258
申请日：2021-06-19
申请人： VMware, Inc.
发明人： Raja Kommula , Constantine Polychronopoulos , Thayumanavan Sridhar , Marc-Andre Bordeleau , Edward Choh , Ojas Gupta , Robert Kidd , Georgios Oikonomou , Jeremy Tidemann
IPC分类号： H04L12/707 , H04L12/721
摘要： Some embodiments provide a novel method for adjusting a path for a packet flow from a source machine to a destination machine in a network. The method of some embodiments identifies a condition at a first forwarding element along a first path traversed by the packet flow through the network. The first path traverses through a hardware, second forwarding element before the first forwarding element. In some embodiments, the second forwarding element includes a programmable data plane circuit. The method, in some embodiments, uses an application programming interface (API) of the programmable data plane circuit to provide a set of parameters to the data plane circuit that cause the data plane circuit to forego selecting the first path to forward the packets of the packet flow to the destination machine and instead to select a second path, not traversing the first forwarding element, to the destination machine.
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公开(公告)号：US20210135992A1
公开(公告)日：2021-05-06
申请号：US16668505
申请日：2019-10-30
申请人： VMware, Inc.
发明人： Jeremy Tidemann , Constantine Polychronopoulos , Marc-Andre Bordeleau , Edward Choh , Ojas Gupta , Robert Kidd , Raja Kommula , Georgios Oikonomou , Mingjie Zhao
IPC分类号： H04L12/743 , H04L12/703 , H04L12/755 , H04L12/707 , H04L9/06
摘要： Some embodiments of the invention provide novel methods for performing services on data messages passing through a network connecting one or more datacenters, such as software defined datacenters (SDDCs). The method of some embodiments uses service containers executing on host computers to perform different chains (e.g., ordered sequences) of services on different data message flows. For a data message of a particular data message flow that is received or generated at a host computer, the method in some embodiments uses a service classifier executing on the host computer to identify a service chain that specifies several services to perform on the data message. For each service in the identified service chain, the service classifier identifies a service container for performing the service. The service classifier then forwards the data message to a service forwarding element to forward the data message through the service containers identified for the identified service chain. The service classifier and service forwarding element are implemented in some embodiments as processes that are defined as hooks in the virtual interface endpoints (e.g., virtual Ethernet ports) of the host computer's operating system (e.g., Linux operating system) over which the service containers execute.
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公开(公告)号：US20210067439A1
公开(公告)日：2021-03-04
申请号：US16568330
申请日：2019-09-12
申请人： VMware, Inc.
发明人： Raja Kommula , Constantine Polychronopoulos , Thayumanavan Sridhar , Marc-Andre Bordeleau , Edward Choh , Ojas Gupta , Robert Kidd , Georgios Oikonomou , Jeremy Tidemann
IPC分类号： H04L12/721 , H04L12/861 , G06F9/455
摘要： Some embodiments of the invention provide a novel method of performing network slice-based operations on a data message at a hardware forwarding element (HFE) in a network. For a received data message flow, the method has the HFE identify a network slice associated with the received data message flow. This network slice in some embodiments is associated with a set of operations to be performed on the data message by several network elements, including one or more machines executing on one or more computers in the network. Once the network slice is identified, the method has the HFE process the data message flow based on a rule that applies to data messages associated with the identified slice.
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公开(公告)号：US20210067416A1
公开(公告)日：2021-03-04
申请号：US16568332
申请日：2019-09-12
申请人： VMware, Inc.
发明人： Raja Kommula , Constantine Polychronopoulos , Thayumanavan Sridhar , Marc-Andre Bordeleau , Edward Choh , Ojas Gupta , Robert Kidd , Georgios Oikonomou , Jeremy Tidemann
摘要： Some embodiments of the invention provide a novel method of performing network slice-based operations on a data message at a hardware forwarding element (HFE) in a network. For a received data message flow, the method has the HFE identify a network slice associated with the received data message flow. This network slice in some embodiments is associated with a set of operations to be performed on the data message by several network elements, including one or more machines executing on one or more computers in the network. Once the network slice is identified, the method has the HFE process the data message flow based on a rule that applies to data messages associated with the identified slice.
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公开(公告)号：US20210064451A1
公开(公告)日：2021-03-04
申请号：US16568325
申请日：2019-09-12
申请人： VMware, Inc.
发明人： Raja Kommula , Constantine Polychronopoulos , Thayumanavan Sridhar , Marc-Andre Bordeleau , Edward Choh , Ojas Gupta , Robert Kidd , Georgios Oikonomou , Jeremy Tidemann
摘要： Some embodiments of the invention provide a novel method of performing network slice-based operations on a data message at a hardware forwarding element (HFE) in a network. For a received data message flow, the method has the HFE identify a network slice associated with the received data message flow. This network slice in some embodiments is associated with a set of operations to be performed on the data message by several network elements, including one or more machines executing on one or more computers in the network. Once the network slice is identified, the method has the HFE process the data message flow based on a rule that applies to data messages associated with the identified slice.
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公开(公告)号：US10939369B2
公开(公告)日：2021-03-02
申请号：US16443816
申请日：2019-06-17
申请人： VMware, Inc.
发明人： Marc-Andre Bordeleau , Raja Kommula , Jeremy Tidemann , Constantine Polychronopoulos , Edward Choh , Ojas Gupta , Georgios Oikonomou , Robert Kidd
摘要： Some embodiments provide a method for a first network slice selector that assigns data messages received from endpoint devices located within a first geographic range to multiple network slices. The method receives a data message from a mobile endpoint device located within the first geographic range. The data message belongs to a connection between the mobile endpoint device and a network domain that began when the mobile device was located in a second geographic range. The method retrieves state that maps the connection to a particular network slice of the network slices from a second network slice selector that assigns data messages received from endpoint devices within the second geographic range to the network slices. The method assigns the data message to the particular network slice.
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公开(公告)号：US20200275359A1
公开(公告)日：2020-08-27
申请号：US16443813
申请日：2019-06-17
申请人： VMware, Inc.
发明人： Marc-Andre Bordeleau , Raja Kommula , Jeremy Tidemann , Constantine Polychronopoulos , Edward Choh , Ojas Gupta , Georgios Oikonomou , Robert Kidd
摘要： Some embodiments provide a method for a network slice selector that forwards messages from endpoint electronic devices onto different network slices of multiple network slices. The method receives a set of connection initiation messages setting up a connection between an endpoint electronic device and a network domain. The method forwards the set of connection initiation messages from the endpoint electronic device onto a default network slice while storing data regarding the connection initiation messages. After the connection is setup, the method receives a data message belonging to the connection from the endpoint electronic device. The method selects one of the plurality of network slices to which the electronic device has access as the network slice for the connection based on analysis of the received data message. The method retransmits the set of connection initiation messages on the selected network slice between the network slice selector and a network gateway.
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公开(公告)号：US20200275357A1
公开(公告)日：2020-08-27
申请号：US16443810
申请日：2019-06-17
申请人： VMware, Inc.
发明人： Marc-Andre Bordeleau , Raja Kommula , Jeremy Tidemann , Constantine Polychronopoulos , Edward Choh , Ojas Gupta , Georgios Oikonomou , Robert Kidd
摘要： Some embodiments provide a method for establishing multiple virtual service networks over multiple datacenters. The method configures, for each virtual service network of the plurality of virtual service networks, a set of machines distributed across the datacenters to implement an ordered set of network services for the virtual service network. The method configures multiple service network selectors executing within the datacenters to receive a data message, select one of the virtual service networks for the data message based on analysis of contents of the data message, determine a location within the datacenters for a machine implementing a first network service of the ordered set of network services for the selected virtual service network, and transmit the data message to the machine implementing the first network service.
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