Multilevel streaming media packet forwarding method

A streaming media and forwarding server technology, applied in selective content distribution, image communication, electrical components, etc., can solve the problems of low-altitude, slow-speed and small-target security frequency monitoring subsystems, such as concurrency, real-time performance, and lack of platform access. , to achieve the effect of improving resource utilization and high real-time performance

Inactive Publication Date: 2014-07-30
MONITORING & CONTROL SYST ENG RES INST CHINESE PEOPLES LIBERATION ARMY AIR FORCE INST OF WARNING
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Problems solved by technology

[0003] In view of the above problems, the purpose of the present invention is to provide a multi-stage streaming media packet forwarding method, which aims to solve the existing deficiencies in concurrency, real-time performance, and platform accessibility of the existing low-altitude, slow-speed, and small-target security frequency monitoring subsystem. question

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] The method of the embodiment of the present invention is applied to the low-altitude, slow-speed and small-target security frequency monitoring subsystem. In this embodiment, the system adopts a multi-level cascade system architecture, such as figure 1 As shown, it is divided into multi-level command centers. In the diagram, it includes the national command center, comprehensive command center and venue command center. The command centers at all levels are equipped with server clusters. The information of the same video station in the command center is realized through the server cluster. St...

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Abstract

The invention belongs to the technical field of video monitoring, and provides a multilevel streaming media packet forwarding method. The method is applied to a low-altitude low-speed small-target security video monitoring subsystem. A multilevel cascade system structure is adopted in the system. The method includes the steps that streaming media load upper limit vectors are set; video retrieval request commands are received, and users are distinguished; a data source server set and a server set to be selected are labeled; streaming media forwarding is conducted for different users and by the combination of the current load condition of the data source server set and the current load condition of the server set to be selected, and load balance adjustment needs to be conducted in necessary. The multilevel cascade system structure is adopted, the utilization rate of resources of a backbone network is increased, and intelligent unified access of the users is achieved by packet dividing of role tasks of servers; meanwhile, a streaming media packet scheduling forwarding algorithm is put forward, resources of each server are fully utilized, and high real-time performance and concurrency of the system are achieved.

Description

technical field [0001] The invention belongs to the technical field of video monitoring, and in particular relates to a method for forwarding multi-stage stream media packets. Background technique [0002] In the low-altitude slow-speed small target security system, real-time video surveillance requires the system to have high concurrency, real-time performance, and easy access to the platform. The existing low-altitude, slow-speed and small-target security video surveillance system generally adopts a single-level tree structure. Users in a control command center can access the information of the same video station. If m users access the information at the same time, then it needs to occupy m shares of backbone Network bandwidth, network resources occupy a large amount, and a server in the command center needs to complete all functions such as retrieval and forwarding. In this environment, the system concurrency, real-time performance, and platform accessibility are insuffic...

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Application Information

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IPC IPC(8): H04N21/63H04N21/647H04N21/643
Inventor 徐毓李锋桑成伟姜向宏
Owner MONITORING & CONTROL SYST ENG RES INST CHINESE PEOPLES LIBERATION ARMY AIR FORCE INST OF WARNING
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