Streaming media distribution system and method based on software defined network

A software-defined network, streaming media technology, applied in the field of communications, can solve problems such as no specific solutions

Active Publication Date: 2013-12-25
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, how to use SDN technology to realize the distribution of

Method used

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  • Streaming media distribution system and method based on software defined network
  • Streaming media distribution system and method based on software defined network
  • Streaming media distribution system and method based on software defined network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Embodiment 1. A streaming media distribution method based on a software-defined network, such as figure 2 As shown, including steps 201 to 205:

[0066] 201. The first application server of the access network extracts request parameters from the received request for streaming media data, and sends the extracted request parameters to the first network controller of the access network;

[0067] 202. The first network controller forwards the request parameters to the first service scheduling engine connected through the Openflow protocol, and instructs the access network and related network elements to reserve links and bandwidth resources for the request;

[0068] 203. The first service scheduling engine queries whether the requested streaming media data is local; if it is local, proceed to step 204;

[0069] 204. The first service scheduling engine selects a streaming media server locally (the area managed by the first service scheduling engine); 205. The selected stre...

Embodiment 2

[0147] Embodiment 2, a streaming media distribution system based on software-defined network, comprising:

[0148] The first network controller of the access network, the first service scheduling engine, and the streaming media server;

[0149] The first application server of the access network is connected to the first network controller through an API interface, and is used to extract request parameters from the received request for streaming media data, and send the extracted request parameters to the first network controller;

[0150] The first network controller is used to forward the request parameters to the first service scheduling engine connected through the Openflow protocol, and instruct the access network and related network elements to reserve links and bandwidth resources for the request;

[0151] The first service scheduling engine is used to inquire whether the requested streaming media data is locally; when locally, select a streaming media server from the l...

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PUM

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Abstract

The invention provides a streaming media distribution system and method based on a software defined network. The method includes the steps that a first application server of an access network extracts request parameters from a received request for streaming media data and sends the extracted request parameters to a first network controller; the first network controller retransmits the request parameters to a first service dispatching engine and instructs the access network and relevant network elements to reserve links and bandwidth resources for the request, wherein the first service dispatching engine is connected with the first network controller through the Openflow protocol; the first service dispatching engine inquires whether the requested streaming media are local; when the requested streaming media are local, the first service dispatching engine selects a streaming media server locally; the selected streaming media server provides the requested streaming media through the reserved links and the reserved bandwidth sources.

Description

technical field [0001] The present invention relates to the communication field, in particular to a software-defined network-based streaming media distribution system and method. Background technique [0002] In the early application of Internet streaming media, there was no dedicated CDN (Content Delivery / Distribution Network, content distribution network), and several servers were set up on the network, and the video program could be watched by connecting the player to the Internet. The network acts as a transparent The data transmission channel sends media content. Since the IP network is a "best effort" service network, network resources and bandwidth cannot be guaranteed, so long-distance services cannot guarantee QoS (Quality of Service, quality of service), and often The resulting hotspot effect overloads and paralyzes servers and backbone networks. [0003] In order to solve the problem of video service quality, people thought that without changing the network struc...

Claims

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Application Information

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IPC IPC(8): H04N21/63H04N21/647H04L29/06
Inventor 陶蒙华崔亚娟
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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