Choosing the Right Capacity and Endurance for Edge Surveillance Systems
Storage at the Edge for Video Surveillance is Becoming Mainstream
In surveillance architectures, the video content can be stored locally in the camera (edge storage). A growing trend of distributed computing (ex: mesh networks, video management software (VMS) on camera) is pushing more of the compute and storage functions to the edge of the network. Deep Learning and Artificial Intelligence at the edge are enabling higher accuracy and faster response to events. Enabled with storage at the edge, surveillance systems can perform real-time analytics locally while sending other big data streams to the cloud for storage or further analysis. The trend to 4K surveillance cameras is driving higher storage needs in cameras. As a result, many surveillance cameras now support or have an expansion slot for microSD™ card storage. Western Digital provides optimised storage solutions for surveillance with the WD Purple™ line of microSD cards. WD Purple microSD cards are designed for surveillance and provide unique features such as card health monitoring functionality, humidity resistance and operating temperatures from –25˚C to 85˚C. Importantly, WD Purple microSD cards offer an endurance specification so that the user can know the expected lifetime of the card. The ability of WD Purple QD312 microSD cards to meet extreme endurance requirements up to 3000 (3K) P/E cycles gives providers the opportunity to design the optimal surveillance system at the edge.