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Dynamic bandwidth allocation method and apparatus

A dynamic bandwidth allocation and bandwidth technology, applied in the direction of selection devices, multiplexing system selection devices, optical fiber transmission, etc., can solve the problems of inflexible formulation of bandwidth allocation algorithms, so as to improve bandwidth utilization and reduce business Latency, fully utilized effects

Active Publication Date: 2016-09-07
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

It can be seen that the traditional dynamic bandwidth allocation algorithm is relatively fixed and cannot flexibly formulate different bandwidth allocation algorithms

Method used

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  • Dynamic bandwidth allocation method and apparatus
  • Dynamic bandwidth allocation method and apparatus
  • Dynamic bandwidth allocation method and apparatus

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] The present invention will be described in detail below through specific examples.

[0030] see figure 1 , figure 1 It is a flowchart of a dynamic bandwidth allocation method according to an embodiment of the present invention, including the following steps:

[0031] S101: Acquire bandwidth allocation requests from all optical network units, where the bandwidth allocation requests are the requested bandwidth required by the service queues carrying pri...

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Abstract

The embodiment of the invention discloses a dynamic bandwidth allocation method and apparatus. The dynamic bandwidth allocation method includes the steps of obtaining bandwidth distribution requests requesting bandwidth needed for business queue requests of all optical network units, the business queue at least comprising a first priority business queue, a second priority business queue and a third priority business queue; obtaining a preset referential bandwidth; determining network load state of an access network according requested bandwidth, allocating corresponding requested bandwidth to the first priority business queue, and adjusting the preset referential bandwidth; determining the residual available bandwidth of the access network in a preset period according to the corresponding requested bandwidth allocated to the first priority business queue, and allocating corresponding requested bandwidth for the second priority business queue and the third priority business queue according to the priority level. According to the embodiment of the invention, the time delay of businesses can be reduced, and the bandwidth utilization rate can be increased.

Description

technical field [0001] The invention relates to the technical field of optical fiber communication, in particular to a dynamic bandwidth allocation method and device. Background technique [0002] With the rapid development and innovation of Internet technology, users have increasingly diverse demands on Internet information, which requires the access network to be able to meet users' large-bandwidth access and multi-service quality of service. In practical applications, the traditional single passive optical network is smoothly upgraded by using the wavelength-slot hybrid passive optical network. However, the wavelength-slot hybrid passive optical network is an aggregation network, and all optical network units must share uplink bandwidth resources. Currently, uplink bandwidth allocation algorithms are divided into static bandwidth allocation and dynamic bandwidth allocation. [0003] Usually, dynamic bandwidth allocation means that the optical network unit reports the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/25H04L12/24H04Q11/00
CPCH04B10/25H04L41/0896H04Q11/0067H04Q2011/0086
Inventor 刘博忻向军张丽佳金菲菲张琦王拥军田清华尹霄丽田凤李博文
Owner BEIJING UNIV OF POSTS & TELECOMM
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