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Queue scheduling method and forwarding equipment

A forwarding device and queue scheduling technology, applied in the field of communication, can solve problems such as packet loss and service quality degradation in low-third-priority queues

Active Publication Date: 2018-10-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Starvation can be manifested as the length of the third priority queue exceeding the capacity of the node buffer (buffer), resulting in continuous packet loss in the lower third priority queue, resulting in a decrease in service quality

Method used

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  • Queue scheduling method and forwarding equipment

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Embodiment Construction

[0033] In order to enable those skilled in the art to better understand the solutions of the present application, the following will describe the embodiments of the present application with reference to the drawings in the embodiments of the present application.

[0034] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" or "having" and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessaril...

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Abstract

The embodiments of the invention disclose a queue scheduling method which is good for satisfying the time delay requirement of a high priority queue and increasing service quality. The method comprises the following steps that forwarding equipment acquires the length of a DLN queue, the input bandwidth of the DLN queue and the maximum time delay value of the DLN queue; the forwarding equipment acquires a first time delay, wherein the first time delay is the ratio of the length of the DLN queue and the input bandwidth of the DLN queue; and when the forwarding equipment determines that the firsttime delay is greater than or equal to the maximum time delay value of the DLN queue, a priority queue scheduling mode is adopted. The invention also provides the forwarding equipment.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a queue scheduling method and a forwarding device. Background technique [0002] As one of the important indicators of the network, the delay has been paid more and more attention by operators and equipment manufacturers. The traditional communication network mainly guarantees voice transmission, and has certain requirements for delay. Now, with the new requirements of 4.5G and 5G services, various new delay-sensitive services need to be deployed, and applications have higher and higher requirements for delay. getting harsher. [0003] At present, in order to ensure the quality of service (Quality of Service, QoS), a queue scheduling technology with a certain strategy will be adopted on the congested device, such as priority-based queue scheduling. Such as figure 1 As shown, the priority of the first priority queue is higher than that of the second priorit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/823H04L12/863H04L12/865H04L47/32H04L47/6275
CPCH04L47/32H04L47/6215H04L47/6275
Inventor 查毅勇蔡圣明朱恒军
Owner HUAWEI TECH CO LTD