Edge nodes, also known as edge devices or edge servers, refer to computing devices or servers that are located at the edge of a network, closer to the end-users or data sources. These nodes are strategically placed to enhance the efficiency of data processing and reduce latency.

Edge nodes play a crucial role in edge computing, a distributed computing paradigm that aims to bring computing resources closer to where data is generated and consumed. By processing data locally at the edge, rather than sending it to a centralized data center or cloud, edge nodes can minimize network congestion and latency, enabling faster response times and real-time data analysis.

These nodes are equipped with computing power, storage capabilities, and networking capabilities, allowing them to perform various tasks such as data filtering, preprocessing, analytics, and even running certain applications. They can be found in a variety of settings, including Internet of Things (IoT) networks, smart cities, industrial environments, and content delivery networks (CDNs).

Edge nodes are essential for enabling edge computing use cases, such as autonomous vehicles, remote monitoring, smart grids, and edge AI. They bring computational capabilities closer to the data source, enabling faster decision-making, improved security, and reduced dependence on centralized cloud infrastructure.