Interlayer coordination-based home network QoS guarantee method

A home network and network technology, applied in the field of home network systems, can solve problems such as unreasonable and timely resource allocation

Inactive Publication Date: 2010-09-08
INST OF ACOUSTICS CHINESE ACAD OF SCI
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Problems solved by technology

[0011] The purpose of the present invention is to overcome the shortcomings of unreasonable and timely resource allocation brought about by the priority mode adopted by the existing hom...

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  • Interlayer coordination-based home network QoS guarantee method
  • Interlayer coordination-based home network QoS guarantee method
  • Interlayer coordination-based home network QoS guarantee method

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Embodiment Construction

[0055] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0056] The flow classification module of the system of the present invention adopts a flow classification mechanism, including a service flow description mechanism and a flow classification mechanism, to distinguish network flows with different QoS requirements. The traffic description mechanism describes the traffic according to the traffic type and corresponding parameters (such as bandwidth, delay, delay jitter, packet loss rate, peak rate, etc.). The traffic classification mechanism uses the QoS priority of the service and the parameters of the bandwidth variation range to classify and mark the traffic according to the description of the traffic. Services with high QoS priority can get priority guarantees for performance such as bandwidth (that is, when the network cannot meet the ideal QoS requirements of all services or the performance ...

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Abstract

The invention provides an interlayer coordination-based home network quality of service (QoS) guarantee method. The method particularly comprises the following steps of: parametrizing a QoS requirement parameter set of QoS extraction service through a service layer, and mapping the QoS requirement parameter set to be a QoS control parameter set required by a home network; and then instructing coordination between a media access control (MAC) layer and the service layer to guarantee the QoS by a resource management mechanism in combination with queue dispatching of the MAC layer and by an MAC mechanism according to the QoS control parameter set or feedback data obtained by the service layer, wherein the maximum available bandwidth data provided by a traffic monitoring layer of the resourcemanagement mechanism is used as the control basis; the QoS negotiation of the control layer and the service layer is admitted on the basis of the maximum available bandwidth data so as to cooperatively control the service and traffic entering the network; and the bandwidth information allocated by a resource allocation layer after the admittance of the service request instructs the queue dispatching of the MAC layer and the hybrid MAC mechanism. The method ensures that the QoS of the service in the network is effectively guaranteed in real time.

Description

technical field [0001] The invention relates to a home network system, in particular to a home network QoS guarantee method and system based on inter-layer cooperation. Background technique [0002] With the popularization of broadband networks and the digital development of household equipment, people's demand for communication services is no longer simple voice and one-way video, but faster, richer, and interactive broadband multimedia services. Home network services are developing in the direction of convergence, interaction, richness, and personalization. At present, audio and video are the main services in the home network, especially personalized high-definition audio and video services (such as high-definition IPTV, video on demand VOD, DVR, etc.), which have high bandwidth, relatively strict delay and bit error and other service quality ( QoS) requirements. Therefore, the quality of service (QoS, Quality of Service) has become a key issue in the research of the hom...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L47/2491
Inventor 孙鹏王劲林倪宏张武朱小勇
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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