Method for adjusting rate of transmitting end, device, and system for adjusting rate of transmitting end

A technology of sending end and sending rate. It is applied in the field of communication and can solve the problems of untimely congestion feedback and long congestion feedback period.

Active Publication Date: 2019-01-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of this application provides a method for implementing speed regulation at the sending end, which can solve the problems of long congestion feedback cycle and untimely congestion feedback

Method used

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  • Method for adjusting rate of transmitting end, device, and system for adjusting rate of transmitting end
  • Method for adjusting rate of transmitting end, device, and system for adjusting rate of transmitting end
  • Method for adjusting rate of transmitting end, device, and system for adjusting rate of transmitting end

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Embodiment Construction

[0051] The embodiments of the present application may be applied to network congestion feedback and speed regulation, for example, may be applied to congestion feedback and speed regulation of a Layer 2 network or a Layer 3 network. For example, assuming that the sending end is user host A and the receiving end is user host B, user host A can send the first data stream to user host B through an intermediate network device, which is the network device through which the first data stream passes. Assuming that the second network device is device C, the second hop network device is device D, and the third hop network device is device E, if at least one of device C, device D and device E is congested, the congested network The device can send a feedback message to network device C, so that network device C can feed back congestion to user host A and instruct user host A to adjust speed.

[0052] The system architecture of this embodiment of the present application may include a sec...

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Abstract

The embodiment of the present invention provides a method for adjusting the rate of a transmitting end, a device, and a system for adjusting the rate of a transmitting end, and relates to the field ofcommunications to solve a long congestion feedback period and intimely congestion feedback. The method comprises a first network device receives a first data message sent by a last hop network device, wherein the first data message includes a first demand rate, a first deadline, and a first transmitting rate corresponding to a first data stream; the first network device obtains a second transmitting rate of the first data stream; the first network device transmits a feedback message to the second network device when the second transmitting rate is less than the first transmitting rate, wherein the feedback message includes the second transmitting rate and is configured to instruct the second network device to notify the transmitting end to adjust the rate at which the first data stream istransmitted according to the second transmitting rate. The method in the embodiment of the present application is applied to network congestion feedback and rate adjustment.

Description

technical field [0001] The present application relates to the communication field, and in particular to a method, device and system for realizing speed regulation at a sending end. Background technique [0002] Existing network equipment has a limited ability to process data streams. When network congestion occurs, the network equipment will treat all data streams passing through the network equipment fairly. For example, data streams with very short deadlines (Deadline) and very long data streams will be assigned the same sending rate. In this way, there may be data loss, increased delay, decreased throughput, and even lead to "Congestion Collapse" in severe cases. [0003] In order to reduce network congestion, it is necessary to provide timely feedback on the congestion points of network congestion. In the prior art, the congestion feedback in the network can be implemented through a packet loss (Packet Loss) mechanism or a congestion marking (Explicit Congestion Notifi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/827H04L12/801H04L12/851H04L47/265H04L47/27
CPCH04L47/24H04L47/263H04L47/26H04L43/0894H04L47/286H04L47/33H04L47/25H04L47/27H04L47/28
Inventor 冀智刚张亚丽
Owner HUAWEI TECH CO LTD
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