[China's safe trading network]
In fact, at present in the construction of security systems in China, the construction of its infrastructure has not received enough attention. The reason is to ignore the use of IT technology and its methodology to build the system's infrastructure. For example, IP video streams are transmitted through the network for transmission or simultaneously transmitted to the control center to meet the real-time monitoring needs of users. The carriers of these security data: networks, servers, storage devices, etc., without exception, are all IT infrastructures. a part of. Then using IT technology and its methodology to design the infrastructure of the security system is inevitable for security. Therefore, for security practitioners, fully understanding the integration trend of security and IT technology is of great benefit to the development of security technology and application in the future. Security and IT technologies influence each other
The development of digital video surveillance technology has always been influenced by IT technology, especially influenced by the development of network technology. The earliest video compression MJEPG was limited to network transmission, followed by MPEG2, MPEG4 and even today's H.264 compression algorithms suitable for low bandwidth transmission. However, the application requirements of high-definition video technology and streaming media have further stimulated the continuous updating of high-speed network technologies and products. The bandwidth of network products has gradually increased from 100M to the current 10G network.
When the PC server was just launched, the application of NVR software was limited due to its high price. The security industry had to use cheaper IPCs to solve video storage problems with hard disk video recorders. Video storage evolved from the first inexpensive tape drive to today's network storage devices. Reviewing the development path of security products and technologies has always been impacted by the development of IT technology, while the demand of the security industry continues to drive IT technology updates.
IT methodology penetration in the field of security
From the beginning of 2000, it is the stage of great development of IT technology. A large number of hardware and software products have been continuously launched, and they have also gone from chaotic to orderly processes. Because the IT industry has a consistent development direction and the use of common industry rules, IT technology is Development has withstood the test of world economic ups and downs, and has always occupied the forefront of technological development. The experience summary is to try to provide users with products, systems that are universal, standardized, functionally perfect, highly available, and highly compatible, and establish a unified method and standard for operation and maintenance.
The security industry is still unable to meet the IT industry standards for various reasons, but with the integration of the two development. IT technology and its methodology promote the development of security is obvious. If all manufacturers can not reach an agreement at the application level at this stage, at least a unified standard should be formed from the product architecture, engineering design, and operation and maintenance model, so that the level of the entire industry will rise to another level.
IT Methodology Performance in Security Applications
Aside from the specific features of the product or application, how does IT technology and its methodology be specifically designed and implemented based on product features in engineering design?
Take the author's recent discussion with a security product manufacturer R&D staff on the NVR design as an example. Because the manufacturer is worried about the application environment, the network condition is not good enough. Therefore, the number of video inputs that can be managed by the NVR can be managed at a relatively low standard. Users are reluctant to purchase a PC server that installs NVR software, so the NVR is made into a hardware-software device. So if IT technology and its methodology are used, how should they adjust their R&D ideas?
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