Method for establishing session status between different components of network video monitoring system
A video monitoring system, network video monitoring technology, applied in the direction of closed-circuit television system, transmission system, electrical components, etc., can solve problems such as system failure, improper handling, component loss, etc., and achieve the effect of effective use
Active Publication Date: 2012-11-28
GUANGDONG VIMICRO
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Problems solved by technology
This not only wastes the limited resources of the system, but also makes the components of the system in a meaningless state of wear and tear.
Moreover, when the system receives an instruction that the component needs to be reused, since the system itself shows that the use of the component has not been stopped, when the system receives this instruction, it is likely to make inappropriate deal with
In turn, it may cause some unnecessary failures in the system.
Method used
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[0020] Aiming at the shortcomings of the session state establishment and maintenance mechanism used between different components of the video surveillance system in the prior art, the present invention proposes a SIP-based protocol that can be used between components of a video network surveillance system based on a computer network. The method for establishing and maintaining a session state is easy to use, mature in technology, and conducive to large-scale popularization and application.
[0021] see figure 1 As shown, in one embodiment, the computer network-based video monitoring system 100 used in the present invention includes a terminal camera device 101 , a proxy server 102 and a client 103 . The terminal camera device 101 is used to collect video information of the monitored area.
[0022] In different implementations, the computer network used to connect various system components may be one or more of the Internet, a local area network, and a wide area network. The ...
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The invention discloses a method for building and keeping the session state among different equipment components of a network video monitoring system, for example, a building and keeping method of session state between a client and a terminal of the network video monitoring system. The validity of sessions of both parties is maintained through sending messages regularly between the client and a proxy server and between the proxy server and the terminal. Wherein, the client sends messages to the proxy server actively, and the proxy server sends messages to the terminal actively. When the proxyserver can not receive the messages sent by the client in a given period of time, or the messages sent to the terminal have no response, the client or the terminal is considered to have faults, the corresponding session is finished and resources are taken back. Thus, the system can utilize limited resources of itself more effectively.
Description
technical field [0001] The invention relates to a method for establishing session states among different equipment using SIP protocol and a method for maintaining the same, in particular to a method for establishing session states among different equipment components of a network video monitoring system and maintaining the method. Background technique [0002] With the development of multimedia technology, multimedia monitoring system is more and more used in security protection, remote monitoring, distance teaching, distance conference, distance presentation, community service and other fields, and plays an important role. At present, real-time monitoring systems through the transmission of video or audio have been implemented in most units and places, such as in some office buildings with corresponding monitoring systems installed, or some living quarters with good safety management systems, or even some private Inside the house, etc. [0003] However, in the existing net...
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IPC IPC(8): H04L29/06H04N7/18
Inventor 王世初陈绍新
Owner GUANGDONG VIMICRO