Backup NVRs can continuously record the same video in parallel to primary NVRs (mirroring) or automatically takeover recording if a primary NVR fails. Backup NVRs can be located at a different ...
See CCTV, ONVIF, MPEG and H.264. Video (with or without audio) from all the cameras is recorded simultaneously on a dedicated network video recorder (NVR), which is a computer with video ...