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    Flexible remote direct memory access
    41.
    发明授权
    Flexible remote direct memory access 有权

    公开(公告)号：US10509764B1

    公开(公告)日：2019-12-17

    申请号：US15164601

    申请日：2016-05-25

    Applicant: Amazon Technologies, Inc.

    Inventor： Erez Izenberg ,  Leah Shalev ,  Nafea Bshara ,  Guy Nakibly ,  Georgy Machulsky

    IPC: G06F15/167 ,  H04L29/06 ,  G06F16/22

    Abstract: Apparatus and methods are disclosed herein for remote, direct memory access (RDMA) technology that enables direct memory access from one host computer memory to another host computer memory over a physical or virtual computer network according to a number of different RDMA protocols. In one example, a method includes receiving remote direct memory access (RDMA) packets via a network adapter, deriving a protocol index identifying an RDMA protocol used to encode data for an RDMA transaction associated with the RDMA packets, applying the protocol index to a generate RDMA commands from header information in at least one of the received RDMA packets, and performing an RDMA operation using the RDMA commands.

    Hybrid remote direct memory access
    42.
    发明授权
    Hybrid remote direct memory access 有权

    公开(公告)号：US10459875B2

    公开(公告)日：2019-10-29

    申请号：US15360853

    申请日：2016-11-23

    Applicant: Amazon Technologies, Inc.

    Inventor： Erez Izenberg ,  Leah Shalev ,  Georgy Machulsky ,  Nafea Bshara

    IPC: H04L29/08 ,  G06F15/173 ,  G06F3/06

    Abstract: According to an embodiment of the invention there may be provided a method for hybrid remote direct memory access (RDMA), the method may include: (i) receiving, by a first computer, a packet that was sent over a network from a second computer; wherein the packet may include data and metadata; (ii) determining, in response to the metadata, whether the data should be (a) directly written to a first application memory of the first computer by a first hardware accelerator of the first computer; or (b) indirectly written to the first application memory; (iii) indirectly writing the data to the first application memory if it determined that the data should be indirectly written to the first application memory; (iv) if it determined that the data should be directly written to the first application memory then: (iv.a) directly writing, by the first hardware accelerator the data to the first application memory without writing the data to any buffer of the operating system; and (iv.b) informing a first RDMA software module, by the first hardware accelerator, that the data was directly written to the first application memory; and (v) notifying, by the first RDMA software module, a second computer about a completion of an RDMA transaction during which the data was directly written to the first application memory.

    CONNECTIONLESS RELIABLE TRANSPORT
    43.
    发明申请
    CONNECTIONLESS RELIABLE TRANSPORT 审中-公开

    公开(公告)号：US20190173789A1

    公开(公告)日：2019-06-06

    申请号：US16204998

    申请日：2018-11-29

    Applicant: Amazon Technologies, Inc.

    Inventor： Leah Shalev ,  Brian William Barrett ,  Nafea Bshara ,  Georgy Machulsky

    IPC: H04L12/741

    Abstract: Provided are systems and methods for connection establishment over a network that does not require a user application to establish an explicit connection with a target application. In some implementations, provided is an apparatus configured to communicate with a network and a host device. The apparatus may receive a message and destination information associated with the message from the host device. The apparatus may further determine, using the destination information, a transport context from a plurality of transport contexts. The transport context may include a state of a connection with a destination on the network. The destination on the network may be associated with the destination information.

    Compression hardware acceleration
    44.
    发明授权
    Compression hardware acceleration 有权

    公开(公告)号：US10168909B1

    公开(公告)日：2019-01-01

    申请号：US15084013

    申请日：2016-03-29

    Applicant: Amazon Technologies, Inc.

    Inventor： Ron Diamant ,  Svetlana Kantorovych ,  Georgy Machulsky ,  Ori Weber ,  Nafea Bshara

    IPC: G06F11/34 ,  G06F3/06

    Abstract: Described herein are techniques for providing data compression and decompression within the bounds of hardware constraints. In some embodiments, the disclosure provides that a processing entity may load a portion of a data stream into a memory buffer. In some embodiments, the size of the portion of data loaded into the memory buffer may be determined based on a capacity of the memory buffer. The processing entity may determine whether the portion of data loaded into the memory buffer includes matching data segments. Upon determining that the portion of data does not include matching data segments, the processing entity may generate a sequence that includes uncompressed data and an indication that the sequence contains no matching data segments.

    Connectionless reliable transport
    45.
    发明授权
    Connectionless reliable transport 有权

    公开(公告)号：US10148570B2

    公开(公告)日：2018-12-04

    申请号：US14983431

    申请日：2015-12-29

    Applicant: Amazon Technologies, Inc.

    Inventor： Leah Shalev ,  Brian William Barrett ,  Nafea Bshara ,  Georgy Machulsky

    IPC: H04L12/741

    Abstract: Provided are systems and methods for connection establishment over a network that does not require a user application to establish an explicit connection with a target application. In some implementations, provided is an apparatus configured to communicate with a network and a host device. The apparatus may receive a message and destination information associated with the message from the host device. The apparatus may further determine, using the destination information, a transport context from a plurality of transport contexts. The transport context may include a state of a connection with a destination on the network. The destination on the network may be associated with the destination information.

    IN-BAND DE-DUPLICATION
    46.
    发明申请
    IN-BAND DE-DUPLICATION 审中-公开

    公开(公告)号：US20170242870A1

    公开(公告)日：2017-08-24

    申请号：US15590898

    申请日：2017-05-09

    Applicant: Amazon Technologies, Inc.

    Inventor： Nafea Bshara ,  Leah Shalev ,  Erez Izenberg ,  Georgy Machulsky ,  Ron Diamant

    IPC: G06F17/30

    CPC classification number: G06F16/1752 ,  G06F16/27 ,  G06F16/9014

    Abstract: A method for in-band de-duplication, the method may include receiving by a hardware accelerator, a received packet of a first sequence of packets that conveys a first data chunk; applying a data chunk hash calculation process on the received packet while taking into account a hash calculation result obtained when applying the data chunk hash calculation process on a last packet of the first sequence that preceded the received packet; wherein the calculating of the first data chunk hash value is initiated before a completion of a reception of the entire first data chunk by the hardware accelerator.

    FLEXIBLE REMOTE DIRECT MEMORY ACCESS
    48.
    发明公开
    FLEXIBLE REMOTE DIRECT MEMORY ACCESS 审中-公开

    公开(公告)号：US20240126714A1

    公开(公告)日：2024-04-18

    申请号：US18397199

    申请日：2023-12-27

    Applicant: Amazon Technologies, Inc.

    Inventor： Erez Izenberg ,  Leah Shalev ,  Nafea Bshara ,  Guy Nakibly ,  Georgy Machulsky

    IPC: G06F15/167 ,  G06F16/22 ,  H04L69/22

    CPC classification number: G06F15/167 ,  G06F16/22 ,  H04L69/22

    Abstract: Apparatus and methods are disclosed herein for remote, direct memory access (RDMA) technology that enables direct memory access from one host computer memory to another host computer memory over a physical or virtual computer network according to a number of different RDMA protocols. In one example, a method includes receiving remote direct memory access (RDMA) packets via a network adapter, deriving a protocol index identifying an RDMA protocol used to encode data for an RDMA transaction associated with the RDMA packets, applying the protocol index to a generate RDMA commands from header information in at least one of the received RDMA packets, and performing an RDMA operation using the RDMA commands.

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