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    Service path computation for service insertion
    12.
    发明授权
    Service path computation for service insertion 有权

    公开(公告)号：US11012351B2

    公开(公告)日：2021-05-18

    申请号：US16282802

    申请日：2019-02-22

    Applicant: VMware, Inc.

    Inventor： Yong Feng ,  Yanjun Lin ,  Yang Ping ,  Pierluigi Rolando ,  Anuprem Chalvadi ,  Li Sun ,  Fenil Kavathia ,  Raju Koganty

    IPC: G06F15/173 ,  H04L12/715 ,  G06F9/455 ,  H04L12/24 ,  H04L12/707 ,  H04L12/741 ,  H04L29/08

    Abstract: The disclosure provides an approach for computing service paths for a service chain identifying a sequence of services. One method includes including information about a plurality of hosts in a heap. Each of the plurality of hosts includes at least one service virtual computing instance (SVCI) configured to provide at least one of the services of the service chain. The information includes, for each of the plurality of hosts, a number of service paths computed for the service chain at the host and one of a number of services provided by unused SVCIs of the host or a number of consecutive services provided by unused SVCIs of the host. The method further includes selecting a host from the heap based on the information. The method further includes generating a first service path for the service chain, the first service path identifying at least one SVCI of the selected host.

    PROVIDING SERVICES WITH GUEST VM MOBILITY
    13.
    发明申请
    PROVIDING SERVICES WITH GUEST VM MOBILITY 审中-公开

    公开(公告)号：US20200274826A1

    公开(公告)日：2020-08-27

    申请号：US16444826

    申请日：2019-06-18

    Applicant: VMware, Inc.

    Inventor： Rahul Mishra ,  Camille Lecuyer ,  Saahil Gokhale ,  Rajeev Nair ,  Anuprem Chalvadi ,  Yang Ping ,  Kantesh Mundaragi ,  Pierluigi Rolando ,  Jayant Jain ,  Raju Koganty

    IPC: H04L12/935 ,  H04L29/12 ,  G06F9/455

    Abstract: 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).

    CREATING AND DISTRIBUTING SERVICE CHAIN DESCRIPTIONS
    14.
    发明申请
    CREATING AND DISTRIBUTING SERVICE CHAIN DESCRIPTIONS 审中-公开

    公开(公告)号：US20200272499A1

    公开(公告)日：2020-08-27

    申请号：US16445044

    申请日：2019-06-18

    Applicant: VMware, Inc.

    Inventor： Yong Feng ,  Anuprem Chalvadi ,  Yang Ping ,  Yanjun Lin ,  Li Sun ,  Akhila Naveen ,  Fenil Kavathia ,  Pierluigi Rolando ,  Jayant Jain ,  Raju Koganty

    IPC: G06F9/455 ,  H04L12/721 ,  H04L12/803 ,  H04L29/08

    Abstract: 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).

    Service path identifier allocation in service insertion
    19.
    发明授权
    Service path identifier allocation in service insertion 有权

    公开(公告)号：US10887222B2

    公开(公告)日：2021-01-05

    申请号：US16382002

    申请日：2019-04-11

    Applicant: VMware, Inc.

    Inventor： Ziyou Wang ,  Li Sun ,  Anuprem Chalvadi ,  Yanjun Lin ,  Yang Ping ,  Mary Firenze ,  Pierluigi Rolando ,  Yong Feng ,  Raju Koganty ,  Jianjun Shen ,  Medhavi Dhawan

    IPC: H04L12/717 ,  G06F9/455 ,  H04L12/707

    Abstract: 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.

    PROVIDING SERVICES WITH SERVICE VM MOBILITY
    20.
    发明申请
    PROVIDING SERVICES WITH SERVICE VM MOBILITY 审中-公开

    公开(公告)号：US20200272493A1

    公开(公告)日：2020-08-27

    申请号：US16444845

    申请日：2019-06-18

    Applicant: VMware, Inc.

    Inventor： Camille Lecuyer ,  Saahil Gokhale ,  Rajeev Nair ,  Anuprem Chalvadi ,  Yang Ping ,  Kantesh Mundaragi ,  Rahul Mishra ,  Pierluigi Rolando ,  Jayant Jain ,  Raju Koganty

    IPC: G06F9/455 ,  H04L29/08 ,  H04L12/721 ,  H04L12/46

    Abstract: 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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