Compared with traditional analog monitoring systems, IP network monitoring systems have far more complexity in resource scheduling and service management than analog monitoring systems. And with the increase in video surveillance requirements, this complex video surveillance management will continue to deepen. For many integrators who have done analog systems for decades, due to historical reasons, many people do not understand IT and network technologies. Therefore, how to choose a professional and suitable video management platform has become their IP One of the primary issues of the system. Here, from the perspective of professional platform development and application, the author selects the platform for the majority of integrators and contractors and proposes several points for reference.
compatibility
One of the distinguishing features of the IP system is openness and infinite scalability. Therefore, as a professional independent video management platform system, we must first have a strong compatibility, at least to be compatible with most of the existing front-end camera brands on the market. A large-scale IP surveillance system, due to the different functional requirements of various parts, will inevitably use a variety of brands and types of front-end cameras.
At this time, a professional and independent back-end platform that can be plug-and-play connected to all different brands of cameras becomes the only and necessary choice. The platform with strong compatibility provides great flexibility for future system expansion. Users can replace or add front-end cameras of different brands and models at any time, without having to be limited to the existing camera brands of the system. At present, many excellent VMS platforms abroad are not only compatible with almost all international brands on the market, but they have also fully supported such Chinese brands as Hikvision and Dahua. At the same time, through the ONVIF and RTSP protocols, most IP cameras can be supported and the standardization and complete compatibility of manufacturing can be truly achieved.
stability
After connecting the system to the front camera, the next issue is stability. The stability of a video management platform, in short, video can not be card, to be smooth, low latency, etc.; at the same time, the server can not always run too slowly or crash. No one wants to maintain the system after installing the system.
However, such a basic requirement has become the bottleneck of many VMS software. The reason is the biggest factor is the bandwidth constraints. The IP system is completely dependent on the network, and with the application of a large number of high-definition IP cameras in the video surveillance system, 1 million pixels have become standard, and more 500, 800, or even 10 million pixels of panoramic IP cameras have begun to be applied. The result has led to the common problem of a video management platform - video delay, cards. Not smooth video will cause great trouble for applications such as video recording and intelligent analysis in the backend. Many integrators to solve this problem, for the server configured with a strong CPU, but still little effect, the entire platform is therefore extremely unstable.
After extensive testing, it has also been found that some excellent platform vendors at home and abroad have been able to solve this problem. They use the most advanced bandwidth throttling technology, which allows each server to connect 2 times the number of cameras of the general platform manufacturer without any video delay or smoothness. Using another platform to connect a server to 30 cameras is already very easy, but you can use this excellent platform to connect 64 channels without any video fluency and you can theoretically connect up to 128 cameras. The excellent software will of course run much faster and it is truly stable.
Openness
One of the key features of the IP system is the open infrastructure, and the scalability and integration capabilities are very strong. A truly good IP video surveillance platform must have the ability to seamlessly integrate with other security subsystems or third-party software to meet the needs of end-users to centrally manage the entire security system or even intelligent building systems. In general, an excellent VMS system should be compatible with mainstream intelligent video analytics software, alarm systems, access control systems, PSIM platforms, and even industry-specific systems such as POS systems, and be seamlessly integrated.
Interact with third-party equipment/systems
Under the trend of integrating the overall platform, the ability of the video surveillance platform to interact with other alarms, access control, and input and output devices has become a necessary element. Generally speaking, the video surveillance platform should be able to link with third-party input and output devices through interfaces such as network ports and serial ports, such as alarm triggering, video triggering, etc., and special industry-specific applications. The platform should generally support the most common protocols such as TCP/IP, HTTP, and so on.
Multi-site remote centralized management
One of the significant advantages of the IP system is that it enables remote centralized management of many different locations and on-site systems. More and more large-scale enterprises and large-scale systems now require that a client can simultaneously view and manage all sites, factories, offices, and parks in different locations around the world. A client should be able to supervise multiple front-end devices on the network. In theory, the number of front-end devices can be unlimited, and browsing, setting, and management of different front-end camera screens can be implemented in one interface, and the user can drag and drop at will, greatly simplifying centralized and unified management operations. In such a system, a camera thousands of miles away is damaged or a suspicious event is discovered. The headquarters monitoring room can be notified at the first time. The screenshot below is the platform monitoring front-end camera list.
Multi-level permission client
The platform requires that multiple clients be available and can be used simultaneously, and that multiple different user rights can be customized. Cooperating with remote client centralized management requires that different users can log in to the client in different locations and manage different servers and cameras.
In a large system, there is usually more than one administrator and more than one monitoring room. This requires logging into each client workstation with different levels of user rights in different locations. For example, for the security camera in the “Safe City†project and the street server to which it is connected, there is a local client on the server to manage the cameras; at the same time, there will be a client management at the police station in the neighborhood; The branch office also needs a client to manage it; correspondingly, the city office also has a client. At the same time, it may be that more than one person in each unit manages these cameras, that is, each person may only manage certain cameras.
Under such circumstances, an IP camera will need to connect with multiple clients in different locations. The user rights management of these platform softwares is very detailed and can fully meet the needs of large-scale systems for multiple users. The following is the platform. Software user permission settings screen shot.
Multi-stream support
At present, many cameras, especially high-definition cameras, can output multiple video streams of different resolutions for users to choose. Now, some video surveillance platforms at home and abroad have already had the function of supporting multi-stream output. Taking the platform product of the agency of the author company as an example, it can support the simultaneous output of multiple video streams from the same camera.
In the system, a camera can be divided into multiple virtual cameras with different resolutions to view, manage, and record without any functional restrictions. When the network or hardware is limited, the user can freely select the HD resolution for local recording, and the remote client uses the low-resolution real-time viewing screen.
At the same time, it can also select low-resolution real-time screen access associated with the intelligent analysis system, which greatly reduces the hardware analysis and configuration requirements of the software. If you use 720P resolution for intelligent analysis processing, one server may only be able to handle 5 or 6 channels of video, while using a lower resolution, a smart analysis server can handle 10, 20, or even more camera images. This greatly reduces the hardware cost of intelligent video analysis. The following figure shows the multi-stream selection.
Interface simplicity
Whether the interface is simple and intuitive and easy to use, whether it is compatible with mobile clients such as iPad, iPhone, Android, etc., is a consideration factor for choosing the platform. With the development and popularity of iPads, iPhones and other tablet PCs and smart phone applications, more and more customers want to be able to remotely manage the system through these mobile devices.
Conclusion
In short, the choice of video surveillance platform needs comprehensive consideration of various aspects of the needs and factors, in the premise of meeting the functional requirements, we must ensure the stability and reliability of the system. Under non-essential circumstances, it is not recommended to blindly use customized products, because the standard products have been tested for several years and are the most stable and reliable product versions. In the development process of customized products, no matter whether it is time, manpower, or testing process, it cannot be compared with a stable standard system.
compatibility
One of the distinguishing features of the IP system is openness and infinite scalability. Therefore, as a professional independent video management platform system, we must first have a strong compatibility, at least to be compatible with most of the existing front-end camera brands on the market. A large-scale IP surveillance system, due to the different functional requirements of various parts, will inevitably use a variety of brands and types of front-end cameras.
At this time, a professional and independent back-end platform that can be plug-and-play connected to all different brands of cameras becomes the only and necessary choice. The platform with strong compatibility provides great flexibility for future system expansion. Users can replace or add front-end cameras of different brands and models at any time, without having to be limited to the existing camera brands of the system. At present, many excellent VMS platforms abroad are not only compatible with almost all international brands on the market, but they have also fully supported such Chinese brands as Hikvision and Dahua. At the same time, through the ONVIF and RTSP protocols, most IP cameras can be supported and the standardization and complete compatibility of manufacturing can be truly achieved.
stability
After connecting the system to the front camera, the next issue is stability. The stability of a video management platform, in short, video can not be card, to be smooth, low latency, etc.; at the same time, the server can not always run too slowly or crash. No one wants to maintain the system after installing the system.
However, such a basic requirement has become the bottleneck of many VMS software. The reason is the biggest factor is the bandwidth constraints. The IP system is completely dependent on the network, and with the application of a large number of high-definition IP cameras in the video surveillance system, 1 million pixels have become standard, and more 500, 800, or even 10 million pixels of panoramic IP cameras have begun to be applied. The result has led to the common problem of a video management platform - video delay, cards. Not smooth video will cause great trouble for applications such as video recording and intelligent analysis in the backend. Many integrators to solve this problem, for the server configured with a strong CPU, but still little effect, the entire platform is therefore extremely unstable.
After extensive testing, it has also been found that some excellent platform vendors at home and abroad have been able to solve this problem. They use the most advanced bandwidth throttling technology, which allows each server to connect 2 times the number of cameras of the general platform manufacturer without any video delay or smoothness. Using another platform to connect a server to 30 cameras is already very easy, but you can use this excellent platform to connect 64 channels without any video fluency and you can theoretically connect up to 128 cameras. The excellent software will of course run much faster and it is truly stable.
Openness
One of the key features of the IP system is the open infrastructure, and the scalability and integration capabilities are very strong. A truly good IP video surveillance platform must have the ability to seamlessly integrate with other security subsystems or third-party software to meet the needs of end-users to centrally manage the entire security system or even intelligent building systems. In general, an excellent VMS system should be compatible with mainstream intelligent video analytics software, alarm systems, access control systems, PSIM platforms, and even industry-specific systems such as POS systems, and be seamlessly integrated.
Interact with third-party equipment/systems
Under the trend of integrating the overall platform, the ability of the video surveillance platform to interact with other alarms, access control, and input and output devices has become a necessary element. Generally speaking, the video surveillance platform should be able to link with third-party input and output devices through interfaces such as network ports and serial ports, such as alarm triggering, video triggering, etc., and special industry-specific applications. The platform should generally support the most common protocols such as TCP/IP, HTTP, and so on.
Multi-site remote centralized management
One of the significant advantages of the IP system is that it enables remote centralized management of many different locations and on-site systems. More and more large-scale enterprises and large-scale systems now require that a client can simultaneously view and manage all sites, factories, offices, and parks in different locations around the world. A client should be able to supervise multiple front-end devices on the network. In theory, the number of front-end devices can be unlimited, and browsing, setting, and management of different front-end camera screens can be implemented in one interface, and the user can drag and drop at will, greatly simplifying centralized and unified management operations. In such a system, a camera thousands of miles away is damaged or a suspicious event is discovered. The headquarters monitoring room can be notified at the first time. The screenshot below is the platform monitoring front-end camera list.
Multi-level permission client
The platform requires that multiple clients be available and can be used simultaneously, and that multiple different user rights can be customized. Cooperating with remote client centralized management requires that different users can log in to the client in different locations and manage different servers and cameras.
In a large system, there is usually more than one administrator and more than one monitoring room. This requires logging into each client workstation with different levels of user rights in different locations. For example, for the security camera in the “Safe City†project and the street server to which it is connected, there is a local client on the server to manage the cameras; at the same time, there will be a client management at the police station in the neighborhood; The branch office also needs a client to manage it; correspondingly, the city office also has a client. At the same time, it may be that more than one person in each unit manages these cameras, that is, each person may only manage certain cameras.
Under such circumstances, an IP camera will need to connect with multiple clients in different locations. The user rights management of these platform softwares is very detailed and can fully meet the needs of large-scale systems for multiple users. The following is the platform. Software user permission settings screen shot.
Multi-stream support
At present, many cameras, especially high-definition cameras, can output multiple video streams of different resolutions for users to choose. Now, some video surveillance platforms at home and abroad have already had the function of supporting multi-stream output. Taking the platform product of the agency of the author company as an example, it can support the simultaneous output of multiple video streams from the same camera.
In the system, a camera can be divided into multiple virtual cameras with different resolutions to view, manage, and record without any functional restrictions. When the network or hardware is limited, the user can freely select the HD resolution for local recording, and the remote client uses the low-resolution real-time viewing screen.
At the same time, it can also select low-resolution real-time screen access associated with the intelligent analysis system, which greatly reduces the hardware analysis and configuration requirements of the software. If you use 720P resolution for intelligent analysis processing, one server may only be able to handle 5 or 6 channels of video, while using a lower resolution, a smart analysis server can handle 10, 20, or even more camera images. This greatly reduces the hardware cost of intelligent video analysis. The following figure shows the multi-stream selection.
Interface simplicity
Whether the interface is simple and intuitive and easy to use, whether it is compatible with mobile clients such as iPad, iPhone, Android, etc., is a consideration factor for choosing the platform. With the development and popularity of iPads, iPhones and other tablet PCs and smart phone applications, more and more customers want to be able to remotely manage the system through these mobile devices.
Conclusion
In short, the choice of video surveillance platform needs comprehensive consideration of various aspects of the needs and factors, in the premise of meeting the functional requirements, we must ensure the stability and reliability of the system. Under non-essential circumstances, it is not recommended to blindly use customized products, because the standard products have been tested for several years and are the most stable and reliable product versions. In the development process of customized products, no matter whether it is time, manpower, or testing process, it cannot be compared with a stable standard system.
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