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    Ghost routing
    1.
    发明授权
    Ghost routing 有权

    公开(公告)号：US11652742B2

    公开(公告)日：2023-05-16

    申请号：US17072147

    申请日：2020-10-16

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Jitendra Padhye ,  Karthick Jayaraman ,  Wei Bai ,  Rachee Singh ,  Ryan Andrew Beckett ,  Sarah Elisabeth McClure ,  Neha Milind Raje ,  Steven Jeffrey Benaloh ,  Christopher Scott Johnston

    IPC: H04L45/586 ,  H04L45/02 ,  H04L45/64

    CPC classification number: H04L45/586 ,  H04L45/02 ,  H04L45/64

    Abstract: Ghost routing is a network verification technique that uses a portion of a production network itself to verify the impact of potential network changes. Ghost routing logically partitions the production network into a main network and a ghost network. The main network handles live traffic while the ghost network handles traffic generated for diagnostic purposes. The ghost network may have a network topology identical to the production network and may use the same hardware and software as the production network. An operator may implement a network configuration change on the ghost network and then use verification tools to verify that the network configuration change on the ghost network does not result in bugs. Verifying on the ghost network may not affect the main network. If the network operator verifies the network configuration change on the ghost network, the network operator may implement the network configuration change on the main network.

    CONTROLLING FAIR BANDWIDTH ALLOCATION EFFICIENTLY
    2.
    发明申请
    CONTROLLING FAIR BANDWIDTH ALLOCATION EFFICIENTLY 审中-公开

    公开(公告)号：US20190007338A1

    公开(公告)日：2019-01-03

    申请号：US16123193

    申请日：2018-09-06

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Khoa To ,  Jitendra Padhye ,  George Varghese ,  Daniel Firestone

    IPC: H04L12/911 ,  H04L12/863 ,  H04L12/877 ,  H04L12/873

    Abstract: Micro-schedulers control bandwidth allocation for clients, each client subscribing to a respective predefined portion of bandwidth of an outgoing communication link. A macro-scheduler controls the micro-schedulers, by allocating the respective subscribed portion of bandwidth associated with each respective client that is active, by a predefined first deadline, with residual bandwidth that is unused by the respective clients being shared proportionately among respective active clients by a predefined second deadline, while minimizing coordination among micro-schedulers by the macro-scheduler periodically adjusting respective bandwidth allocations to each micro-scheduler.

    Ghost routing
    4.
    发明授权
    Ghost routing 有权

    公开(公告)号：US12199863B2

    公开(公告)日：2025-01-14

    申请号：US18191573

    申请日：2023-03-28

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Jitendra Padhye ,  Karthick Jayaraman ,  Wei Bai ,  Rachee Singh ,  Ryan Andrew Beckett ,  Sarah Elisabeth McClure ,  Neha Milind Raje ,  Steven Jeffrey Benaloh ,  Christopher Scott Johnston

    IPC: H04L45/586 ,  H04L45/02 ,  H04L45/64

    Abstract: Ghost routing is a network verification technique that uses a portion of a production network itself to verify the impact of potential network changes. Ghost routing logically partitions the production network into a main network and a ghost network. The main network handles live traffic while the ghost network handles traffic generated for diagnostic purposes. The ghost network may have a network topology identical to the production network and may use the same hardware and software as the production network. An operator may implement a network configuration change on the ghost network and then use verification tools to verify that the network configuration change on the ghost network does not result in bugs. Verifying on the ghost network may not affect the main network. If the network operator verifies the network configuration change on the ghost network, the network operator may implement the network configuration change on the main network.

    Load balancing in distributed computing systems
    5.
    发明授权
    Load balancing in distributed computing systems 有权

    公开(公告)号：US11218537B2

    公开(公告)日：2022-01-04

    申请号：US15930299

    申请日：2020-05-12

    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC

    Inventor： Rohan Gandhi ,  Shachar Raindel ,  Daniel Firestone ,  Jitendra Padhye ,  Lihua Yuan

    IPC: H04L29/08 ,  H04L12/741 ,  G06F15/173 ,  G06F15/76

    Abstract: Techniques for facilitating load balancing in distributed computing systems are disclosed herein. In one embodiment, a method includes receiving, at a destination server, a request packet from a load balancer via the computer network requesting a remote direct memory access (“RDMA”) connection between an originating server and one or more other servers selectable by the load balancer. The method can also include configuring, at the destination server, a rule for processing additional packets transmittable to the originating server via the RDMA connection based on the received reply packet. The rule is configured to encapsulate an outgoing packet transmittable to the originating server with an outer header having a destination field containing a network address of the originating server and a source field containing another network address of the destination server.

    LOAD BALANCING IN DISTRIBUTED COMPUTING SYSTEMS
    7.
    发明申请
    LOAD BALANCING IN DISTRIBUTED COMPUTING SYSTEMS 有权

    公开(公告)号：US20210126966A1

    公开(公告)日：2021-04-29

    申请号：US15930299

    申请日：2020-05-12

    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC

    Inventor： Rohan Gandhi ,  Shachar Raindel ,  Daniel Firestone ,  Jitendra Padhye ,  Lihua Yuan

    IPC: H04L29/08 ,  H04L12/741 ,  G06F15/173 ,  G06F15/76

    Abstract: Techniques for facilitating load balancing in distributed computing systems are disclosed herein. In one embodiment, a method includes receiving, at a destination server, a request packet from a load balancer via the computer network requesting a remote direct memory access (“RDMA”) connection between an originating server and one or more other servers selectable by the load balancer. The method can also include configuring, at the destination server, a rule for processing additional packets transmittable to the originating server via the RDMA connection based on the received reply packet. The rule is configured to encapsulate an outgoing packet transmittable to the originating server with an outer header having a destination field containing a network address of the originating server and a source field containing another network address of the destination server.

    Multicast apparatuses and methods for distributing data to multiple receivers in high-performance computing and cloud-based networks
    8.
    发明授权
    Multicast apparatuses and methods for distributing data to multiple receivers in high-performance computing and cloud-based networks 有权

    公开(公告)号：US10891253B2

    公开(公告)日：2021-01-12

    申请号：US15622787

    申请日：2017-06-14

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Shachar Raindel ,  Anirudh Badam ,  Jitendra Padhye

    IPC: G06F15/173 ,  G06F13/28 ,  G06F13/42

    Abstract: An originating host device in a distribution chain is provided upstream from multiple host devices including intermediary and terminating host devices. The originating host device includes a core with a generation application and a first RDMA NIC. The core: determines a plan for transferring data between the originating host device and the other host devices; and generates WQEs to implement the plan. The first RDMA NIC includes a read application, a descriptor application, and a reception application. The read application is configured such that the first RDMA NIC reads the WQEs from a first memory. The descriptor application is configured such that the first RDMA NIC: writes a portion of the WQEs directly from the first RDMA NIC to a second memory of the intermediary host device; and triggers a second RDMA NIC of the intermediary host device to process the portion of the WQEs stored in the second memory.

    Controlling fair bandwidth allocation efficiently
    9.
    发明授权
    Controlling fair bandwidth allocation efficiently 有权

    公开(公告)号：US10097478B2

    公开(公告)日：2018-10-09

    申请号：US14601214

    申请日：2015-01-20

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Khoa To ,  Jitendra Padhye ,  George Varghese ,  Daniel Firestone

    IPC: G06F15/173 ,  H04L12/911 ,  H04L12/877 ,  H04L12/873 ,  H04L12/863

    Abstract: Micro-schedulers control bandwidth allocation for clients, each client subscribing to a respective predefined portion of bandwidth of an outgoing communication link. A macro-scheduler controls the micro-schedulers, by allocating the respective subscribed portion of bandwidth associated with each respective client that is active, by a predefined first deadline, with residual bandwidth that is unused by the respective clients being shared proportionately among respective active clients by a predefined second deadline, while minimizing coordination among micro-schedulers by the macro-scheduler periodically adjusting respective bandwidth allocations to each micro-scheduler.

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