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Adaptive stream video processing system and method based on SDN and EC technologies

An adaptive streaming and video processing technology, applied in the field of network communication, can solve problems such as user QoE needs to be improved and delay is large, so as to achieve good video playback experience, reduce transmission delay, and save bandwidth costs

Active Publication Date: 2019-01-01
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
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Problems solved by technology

[0004] However, in the existing technology, the CDN server is usually deployed outside the mobile network, and is still far away from the user equipment. During the video data distribution process, the data still needs to pass through the core network, so there is a problem of large delay, and the user's QoE still needs to be improved

Method used

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  • Adaptive stream video processing system and method based on SDN and EC technologies
  • Adaptive stream video processing system and method based on SDN and EC technologies
  • Adaptive stream video processing system and method based on SDN and EC technologies

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Embodiment Construction

[0070] 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.

[0071] Such as figure 1 As shown, the embodiment of the present invention provides an adaptive streaming video processing system based on SDN (Software Defined Networking, software-defined network) and EC (Edge Computing, edge computing) technology, including a plurality of EC nodes and SDN controllers, wherein :

[0072] The EC node is configured to receive the video data request message sent by the user equipment, and process the video data request message....

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Abstract

The embodiment of the invention provides an adaptive stream video processing system and method based on the SDN and EC technologies, and the system comprises a plurality of EC nodes and an SDN controller. The EC nodes are configured to receive video data request messages sent by user equipment, process the video data request messages, and perform information interaction with the SDN controller. The SDN controller is configured to determine the size relation between the transcoding cost and the cooperation cost based on the information interaction with the EC nodes, and control the EC nodes toreturn a DASH video segment to the user equipment; or control the EC nodes to transmit the video data request messages to the cooperative EC node, so that the cooperative EC node processes the video data request message. The system and method can reduce video transmission delay and improve user QoE.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to an adaptive stream video processing system and method based on SDN and EC technologies. Background technique [0002] With the rapid development of mobile Internet technology, mobile network data traffic is showing an explosive growth trend. By 2021, global mobile data traffic is expected to reach 49 exabytes per month, of which mobile video traffic will account for 78% of the global mobile data traffic. %. The explosive growth of data traffic, especially video traffic, poses a huge challenge to mobile networks, requiring mobile networks to be able to provide higher data transmission rates and lower network delays, so as to provide users with better QoE (Quality of Experience , service quality experience). [0003] The existing method for increasing the data transmission rate of the mobile network usually adopts a DASH (Dynamic Adaptive Streaming, dynamic adaptive...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/239H04N21/4402H04N21/647H04N21/845
CPCH04N21/2393H04N21/440236H04N21/64792H04N21/8456
Inventor 谢人超李子姝李佳贾庆民黄韬刘江刘韵洁
Owner BEIJING UNIV OF POSTS & TELECOMM
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