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NVRs:What is P2P and ONVIF?

Date:2017-08-10 Hits:1175
NVRs:What is P2P and ONVIF?

For security camera system, one could imagine plug-n-play being available to only analogy cameras, DVRs (Digital Video Recorder). You would simply would need RG59 Coax cable coupled with BNCs, power supply, and DVR to make your security camera work. NVRs (Network Video Recorder), on the other were little complicated. NVRs, you would need either standalone PC or Server, CAT5e or CAT6 coupled RJ45 connectors, POE (Power-Over-Ethernet) switch, and IP camera to secure your building. Those are the old days for the New NVR security systems. NVRs now are standalone and can have up to 256 IP camera connections. Standalone NVR with 16 or less IP camera connection have POE switch built-in to the back. Just like the analog system, once a propriety IP camera or same developer as the NVR, is connected to the POE switch in the back, the IP camera will connect right away, in short, plug-n-play.


ONVIF is universal industry forum with the goal of simplifying the development of global standard for IP security systems. At the beginning, this was envisioned as way every IP camera developer to have ONVIF protocol built-in the firmware of the IP camera, so when it will easily connect to every VMS (Video Management Software). Then the VMS developer can charge each IP camera a separate license for using their software. With the New standalone NVRs, the VMS and licensing is eliminated. You will still need cameras that have ONVIF Protocol. It is very important to also match the ONVIF protocol of the IP camera with the standalone NVR.


It is true that standalone NVR system no longer require camera licensing in order for it to work with third party ONVIF IP cameras, but plug-n-play might not available right away. Now days standalone NVRs and IP cameras require very strong password, because of this recent development, only their own IP camera have the plug-n-play option. Standalone NVR developers have found a way around this hurdle. The solution to this new problem is as follows: 1) assign static private IP address to each camera that matches the subnet of the internal NIC (network of the POE switch) IP address and then manual assign the IP address of the IP camera’s corresponding POE port.