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A method and device for realizing service bandwidth allocation

A service bandwidth and service technology, applied in the field of optical communication networks, can solve the problems of service quality, limited bandwidth resources, and inability to ensure fair access to service flows, and achieve the effect of avoiding severe service quality and ensuring fair access.

Active Publication Date: 2020-01-07
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Bandwidth allocation within the ONU according to the service level is simple to implement, but it can only provide coarse-grained bandwidth allocation and cannot guarantee the service quality of each service flow
In a multi-user, multi-service complex business scenario, due to limited bandwidth resources, it cannot meet the service quality requirements
In addition, some business flows occupy bandwidth by increasing the amount of data sent, so that other normal business flows cannot be served
Therefore, the existing service bandwidth allocation method cannot guarantee the fair access of each service flow; when the network load is heavy, it is easy to cause serious service quality problems

Method used

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  • A method and device for realizing service bandwidth allocation
  • A method and device for realizing service bandwidth allocation
  • A method and device for realizing service bandwidth allocation

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Embodiment 1

[0061] image 3 It is a flow chart of the method of the embodiment of the present invention, such as image 3 shown, including:

[0062] Step 300, for the service flows entering the ONU that belong to the same service scenario, after distinguishing the service types, classify according to the preset classification rules;

[0063] Since different business types require different service quality, you can mark the service level for each business type according to the level of service quality requirements. The business type with high service quality requirements is marked with a high-level service level, and the service type with low service quality requirements is marked with a low level. service level. Figure 4 It is a schematic diagram of service bandwidth scheduling after division and classification according to an embodiment of the present invention, as shown in Figure 4 As shown, according to the set service classification rules, the service flow is divided into six cla...

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Abstract

The present application discloses a method and system for realizing service bandwidth allocation, including: after distinguishing the service types of the service flows entering the optical network unit (ONU) belonging to the same service scene, the different service types are classified according to the preset classification strategy The service flow is classified; according to the preset rules, the corresponding service bandwidth interval is set for each classified service flow; the service bandwidth is scheduled according to the set service bandwidth interval of each service flow. In the present invention, after classifying the service flows of the same service scene, setting the corresponding service bandwidth interval of each service flow, and scheduling the minimum service bandwidth and the maximum service bandwidth, the fair access of each service flow is ensured, and the network load is avoided. When it is heavy, it is prone to serious quality of service problems.

Description

technical field [0001] The present application relates to the field of optical communication networks, in particular to a method and device for realizing service bandwidth allocation in a passive optical network (PON). Background technique [0002] Passive Optical Network (PON) is an ideal solution for multi-service and high-bandwidth access requirements. PON technologies mainly include Ethernet Passive Optical Network (EPON) and Gigabit Passive Optical Network (GPON). Both networks consist of optical line terminals (OLTs), optical splitters (ODNs) and optical network units (ONUs). The network generally adopts a tree-type network topology structure; among them, the OLT and the ODN are connected, and multiple ONUs are hung under the ODN, the downlink data between the OLT and the ONU is broadcasted, and the uplink data is used through time-division multiplexing channels. [0003] In a PON network system, it can carry multiple broadband services including Ethernet (IP) servic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/917H04Q11/00H04L47/76
CPCH04Q11/00
Inventor 方乃钗吴晓东
Owner ZTE CORP
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