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Flow scheduling method, device and system

A technology of traffic scheduling and terminal equipment, which is applied in the field of communication, can solve the problems of unstable delay and high delay, and achieve the effect of improving the stability of delay

Active Publication Date: 2020-03-17
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the fully distributed model, this implementation leads to high and unstable delays from the speaking device to the listening device

Method used

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  • Flow scheduling method, device and system
  • Flow scheduling method, device and system
  • Flow scheduling method, device and system

Examples

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Embodiment Construction

[0060] In the following, specific examples will be used to describe in detail respectively.

[0061] figure 1 It is a schematic diagram of a network structure in an embodiment of this application. figure 1 The network shown is a fully distributed model of time-sensitive networking (time-sensitive networking, TSN). The network includes a talker (talker) device, a listener (listener) device and at least one network device. The at least one network device is located on a transmission path between the calling end device and the listening end device. Such as figure 1 As shown, the calling device communicates with the listening device via the network device 01 , the network device 02 , the network device 03 , the network device 04 , the network device 05 and the network device 06 . Regarding the network architecture of the TSN of the fully distributed model, please refer to the relevant explanations in "Section 46. Time Sensitive Network (TSN) Configuration" of IEEE P802.1Qcc / D2...

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PUM

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Abstract

The invention discloses a flow scheduling method, device and system. The method comprises the following steps that: a first network device determines transmission paths of first flow scheduling information and first data flow according to a first speaking end attribute message received from a speaking end device and a listening end attribute message received from listening end device; then, the first network device sends a first traffic scheduling message to a network device on the transmission path, wherein the first flow scheduling message comprises the first flow scheduling information, thefirst flow scheduling information indicates network device on the transmission path to generate a gating table, and the gating table indicates the networkdevice on the transmission path to control the state of a port for transmitting the first data flow according to the gating table.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a traffic scheduling method, device and system. Background technique [0002] Audio video bridging (AVB) is a new Ethernet standard. AVB-related standards are formulated by the AVB task group under the 802.1 working group of the Institute of Electrical and Electronics Engineers (IEEE). In 2012, the AVB task group was officially renamed as the time-sensitive networking (TSN) task group. TSN mainly involves stream reservation protocol (stream reservation protocol, SRP), precision time protocol (precision time protocol, PTP), and flow control (trafficshaping). TSN can be applied in network scenarios with low-latency requirements or based on time-synchronized data transmission, such as audio and video transmission, automotive control, industrial control, and commercial electronics. [0003] TSN defines three network configuration models: fully distributed mode...

Claims

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Application Information

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IPC IPC(8): H04L12/801H04L45/74H04L47/2416H04L47/724
CPCH04L47/10H04L45/54H04L47/193H04L47/2416H04L47/28H04L47/60H04L65/61
Inventor 陈李昊
Owner HUAWEI TECH CO LTD