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Traffic local optimization method in internet video-on-demand system

An Internet video and traffic localization technology, applied in the field of network traffic occupation, can solve the problems of no FLASHP2P localization processing, etc., and achieve the effect of ensuring smooth video playback, reducing traffic pressure, and reducing network delay

Active Publication Date: 2015-03-04
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] Domestic large-scale video websites such as Sohu, iQiyi, and Youku have adopted FLASH P2P technology to reduce expensive bandwidth expenses. However, none of the three major websites has localized FLASH P2P, resulting in huge P2P traffic. The network is under great pressure

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Embodiment Construction

[0032] The traffic localization optimization processing method in the FLASH P2P on-demand system solves the problem that a large amount of FLASH P2P traffic causes a large traffic pressure on the operator's backbone network. In the selection process of nodes, local nodes are the main nodes, and non-local nodes are used as data copies. The following FLASH P2P VOD system traffic localization process, its corresponding flow chart and sequence diagram are as follows figure 2 , image 3 As shown, the specific process is as follows:

[0033] (1) The process of traffic localization

[0034] The specific steps are as follows:

[0035] (1) When the node requests a video, the node will request the first video slice from the redirection server.

[0036] (2) The redirection server will redirect the request to the video storage server.

[0037] (3) The node acquires video slices from the video storage server and plays them.

[0038] (4) The node applies for a PEERID (unique 256-bit cha...

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Abstract

The invention discloses a traffic local optimization method in an internet video-on-demand system. The method comprises the following steps: a node periodically reports own network status, IP (Internet Protocol) address and play progress and bitmap to a Tracker server; the Tracker server selects nodes at a same area to form a list to be transmitted to the node according to a request of the node; the node selects six nodes with request data blocks by analyzing the bitmap of the node in the peer List, transmits connection requests to the six nodes until the first node responds and then transmits data with the responded node. If the local node is not enough to guarantee smooth play of a streaming media, the node requests P2P (Peer-to-Peer) sharing with a non-local node from the Tracker server. The support of the non-local node is rationally added while traffic localization is guaranteed as much as possible, so that the time delay for receiving a request program by a user in a FLASH P2P video-on-demand system is reduced, the smoothness for video play is improved, and the traffic pressure of a backbone network of an operator is greatly reduced.

Description

technical field [0001] The present invention provides a traffic localization optimization processing method in the FLASH P2P on-demand system, which is mainly used to solve the problem that the excessive P2P traffic occupies the bandwidth of the backbone network in the webpage video on-demand based on the FLASH platform, and maximizes the user experience while ensuring the user experience. Minimizing the occupation of P2P traffic on backbone network traffic belongs to the field of computer networks. Background technique [0002] FLASH P2P is a P2P technology implemented on the FLASH platform developed by Adobe, which is based on RTMFP (Real-Time Streaming Media Protocol). Adobe introduced the RTMFP protocol in Flash Player 10 and subsequent versions. The RTMFP protocol provides a high-quality communication solution for live broadcast and real-time communication programs. [0003] RTMFP uses UDP to transmit data to increase the speed of data transmission, and uses a connect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/63H04N21/643H04N21/647
CPCH04N21/47202H04N21/632H04N21/64322H04N21/6437H04N21/8456H04N21/8547
Inventor 季一木孙延鹏王汝传匡子卓谈海宇袁永阁蒋晨晨谈杰
Owner NANJING UNIV OF POSTS & TELECOMM
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