In the early days of IP video, some IT managers were concerned that a video management system (VMS) or a video recorder on a network couldn’t handle the sizeable volume of video streaming from a surveillance system. They were concerned about losing video if the server rebooted or if the network video recorder (NVR) became disconnected.
This mindset inspired the use of SD cards as a backup storage method in video systems, a practice that is still used today, says Aaron Saks, director of product training at Hanwha Vision America, Teaneck, N.J.
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