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Bandwidth acquisition method and apparatus thereof

An acquisition method and bandwidth technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve the problems of large bandwidth accuracy errors, large granularity, and the inability to comprehensively consider weight bandwidth and bandwidth setting factors, so as to avoid bandwidth Large precision error and large granularity, guarantee the effect of bandwidth precision and granularity

Active Publication Date: 2017-05-31
SANECHIPS TECH CO LTD
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Problems solved by technology

[0004] In order to solve the above technical problems, the embodiment of the present invention expects to provide a bandwidth acquisition method and device, which solves the problem that the existing ONU cannot comprehensively consider the weight bandwidth and bandwidth setting factors when allocating best-effort bandwidth, and avoids the occurrence of DBA issued The problem of large bandwidth accuracy error and large granularity ensures the bandwidth accuracy and granularity issued by DBA

Method used

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  • Bandwidth acquisition method and apparatus thereof
  • Bandwidth acquisition method and apparatus thereof
  • Bandwidth acquisition method and apparatus thereof

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Embodiment Construction

[0062] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0063] The embodiment of the present invention provides a bandwidth acquisition method, which is applied to the bandwidth allocation process of the ONU in the best-effort bandwidth allocation phase, referring to figure 1 As shown, the method includes the following steps:

[0064] Step 101, obtaining the weighted bandwidth of each ONU in the best-effort bandwidth allocation phase in each period.

[0065] Specifically, the step of obtaining the weighted bandwidth of each ONU in the best-effort bandwidth allocation phase in each cycle may be implemented by a bandwidth obtaining device. After the fixed bandwidth allocation and guaranteed bandwidth allocation, if the bandwidth request is not fully satisfied, the ONU can enter the best-effort bandwidth allocation phase. The weight ...

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Abstract

Embodiments of the invention disclose a bandwidth acquisition method. The method comprises the following steps of acquiring a weight bandwidth of each optical network unit ONU in best-effort bandwidth distribution phase in each period; acquiring a set bandwidth of each ONU in the best-effort bandwidth distribution phase; according to the a set bandwidth and the weight bandwidth, determining a bandwidth token to be added which needs to be added in a token bucket corresponding to the best-effort bandwidth distribution phase of each ONU in each period; and adding the bandwidth token to be added in the token bucket corresponding to the best-effort bandwidth distribution phase of the ONU and acquiring a bandwidth of the token bucket corresponding to the best-effort bandwidth distribution phase of the ONU. The embodiments of the invention also disclose a bandwidth acquisition apparatus.

Description

technical field [0001] The invention relates to bandwidth allocation technology in the field of optical communication, in particular to a bandwidth acquisition method and device. Background technique [0002] In an Ethernet Passive Optical Network (EPON) uplink system, a dynamic bandwidth allocation (DBA) mechanism is usually used to improve system uplink bandwidth utilization and ensure business fairness and Quality of Service (QoS). Service, QOS). In each DBA scheduling cycle, the optical line terminal (Optical Line Terminal, OLT) dynamically issues bandwidth according to the relevant configuration and the bandwidth request reported by the optical network unit (Optical Network Unit, ONU). Bandwidth types are classified into fixed bandwidth, guaranteed bandwidth, and best-effort bandwidth in descending order of business priority. The fixed bandwidth is authorized by the OLT with a smaller polling cycle and higher frequency for specific services; the guaranteed bandwidth i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/923H04L47/762
CPCH04L47/762
Inventor 黎娜
Owner SANECHIPS TECH CO LTD
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