Network Device Interface (NDI) is a royalty-free software standard developed by NewTek that enables video-capable devices to identify, discover, and communicate with each other over a standard local area network. NDI allows video sources such as cameras, computers, and media servers to share high-quality, low-latency video streams across an IP network without specialized hardware or dedicated video cabling. It is commonly used in professional broadcast production environments and is increasingly adopted in enterprise live streaming workflows.