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    System and method for rate-based packet transmission over a network
    11.
    发明授权
    System and method for rate-based packet transmission over a network 有权

    公开(公告)号：US09992120B2

    公开(公告)日：2018-06-05

    申请号：US14919317

    申请日：2015-10-21

    Applicant: Citrix Systems, Inc.

    Inventor： Mustafa Kutluk Testicioglu ,  Mahesh Mylarappa

    IPC: H04L1/00 ,  H04L12/803 ,  H04W28/02 ,  H04L5/00 ,  H04L12/26

    CPC classification number: H04L47/125 ,  H04L5/0055 ,  H04L43/0888 ,  H04L47/14 ,  H04L47/193 ,  H04L47/25 ,  H04W28/0273

    Abstract: An appliance for controlling data transmission is described. The appliance includes a packet engine configured to acquire data regarding a flow of first data packets over a link and to determine transport communication protocol (TCP) characteristics for the flow. The appliance also includes a data transmission controller configured to receive second data packets, determine a rate of transmission based on the TCP characteristics, and determine, based on one or more criteria, whether to use a rate-based data transmission control to control a transmission of the second data packets. The data transmission controller is also configured to, responsive to determining that a rate-based data transmission control is to be used to control a transmission of the second data packets, cause the packet engine to transmit the second data packets in groups, wherein transmission times of each group of second data packets are determined based on the rate of transmission.

    Increasing QoS throughput and efficiency through lazy byte batching
    14.
    发明授权
    Increasing QoS throughput and efficiency through lazy byte batching 有权

    公开(公告)号：US10567285B2

    公开(公告)日：2020-02-18

    申请号：US15462524

    申请日：2017-03-17

    Applicant: Citrix Systems, Inc.

    Inventor： Seth Kenneth Keith ,  Mustafa Kutluk Testicioglu ,  Lampros Dounis

    IPC: H04L12/801 ,  H04L12/863 ,  H04L12/26

    Abstract: Described embodiments improve the performance of a computer network via selectively forwarding packets to bypass quality of service (QoS) processing, avoiding processing delays during critical periods of high demand, increasing throughput and efficiency may be increased by sacrificing a small amount of QoS accuracy. QoS processing may be applied to a subset of packets of a flow or connection, referred to herein as “lazy” processing or lazy byte batching. Packets that bypass QoS processing may be immediately forwarded with the same QoS settings as packets of the flow for which QoS processing is applied, resulting in tremendous overhead savings with only minimal decline in accuracy.

    Method for packet scheduling using multiple packet schedulers
    17.
    发明授权
    Method for packet scheduling using multiple packet schedulers 有权

    公开(公告)号：US09871610B2

    公开(公告)日：2018-01-16

    申请号：US14927867

    申请日：2015-10-30

    Applicant: Citrix Systems, Inc.

    Inventor： Mustafa Kutluk Testicioglu ,  Seth Keith

    IPC: H04L12/815 ,  H04L12/801 ,  H04L12/813 ,  H04J3/06 ,  H04L29/08 ,  H04L12/823

    CPC classification number: H04J3/0658 ,  G06F9/00 ,  H04L47/32 ,  H04L47/60 ,  H04L47/6215 ,  H04L47/6265 ,  H04L69/324

    Abstract: A method comprising: receiving, by a first network packet scheduler, from each other network packet scheduler of a plurality of network packet schedulers, a virtual packet for each traffic class of a plurality of traffic classes defining relative transmission priority of network packets; receiving, by the first network packet scheduler, a network packet of a first traffic class of the plurality of traffic classes; transmitting, by the first network packet scheduler, each virtual packet into a virtual connection of a plurality of virtual connections created for each traffic class; scheduling, by the first network packet scheduler, a network packet or a virtual packet as a next packet in a buffer for transmission; determining, by the first network packet scheduler, that the next packet in the buffer is a virtual packet; and discarding, by the first network packet scheduler, the virtual packet, responsive to the determination that the next packet in the buffer is a virtual packet.

    Method for prioritizing network packets at high bandwidth speeds
    18.
    发明授权
    Method for prioritizing network packets at high bandwidth speeds 有权

    公开(公告)号：US09813352B2

    公开(公告)日：2017-11-07

    申请号：US13975161

    申请日：2013-08-23

    Applicant: Citrix Systems, Inc.

    Inventor： Mustafa Kutluk Testicioglu ,  Seth K. Keith

    IPC: H04L12/863 ,  H04L12/851 ,  H04L12/873

    CPC classification number: H04L47/6225 ,  H04L47/2441 ,  H04L47/527 ,  H04L47/6295

    Abstract: The embodiments are directed to methods and appliances for scheduling a packet transmission. The methods and appliances can assign received data packets or a representation of data packets to one or more connection nodes of a classification tree having a link node and first and second intermediary nodes associated with the link node via one or more semi-sorted queues, wherein the one or more connection nodes correspond with the first intermediary node. The methods and appliances can process the one or more connection nodes using a credit-based round robin queue. The methods and appliances can authorize the sending of the received data packets based on the processing.

    Increased packet scheduling throughput and efficiency using úber batching
    19.
    发明授权
    Increased packet scheduling throughput and efficiency using úber batching 有权

    公开(公告)号：US11381509B2

    公开(公告)日：2022-07-05

    申请号：US16007560

    申请日：2018-06-13

    Applicant: Citrix Systems, Inc.

    Inventor： Seth Kenneth Keith ,  Mustafa Kutluk Testicioglu

    IPC: H04L47/24 ,  H04L47/12 ,  H04L47/36 ,  H04L43/026 ,  H04L43/0888 ,  H04L43/16 ,  H04L43/0894

    Abstract: Described embodiments improve the performance of a computer network via selectively forwarding packets to bypass quality of service (QoS) processing, avoiding processing delays during critical periods of high demand, increasing throughput and efficiency may be increased by sacrificing a small amount of QoS accuracy. QoS processing may be applied to a subset of packets of a flow or connection, referred to herein as “lazy” processing or lazy byte batching. Packets that bypass QoS processing may be immediately forwarded with the same QoS settings as packets of the flow for which QoS processing is applied, resulting in tremendous overhead savings with only minimal decline in accuracy. In case of backlog, packets may be collected together into an aggregated or ‘uber’ packet, with QoS processing applied based on a virtual size of the aggregated packet.

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