EDF (Earliest Deadline First)

Earliest Deadline First (EDF) is a scheduling algorithm used in real-time systems to manage tasks. It prioritizes tasks based on their deadlines, always selecting the task with the closest deadline to execute next. This approach ensures that tasks with the most urgent deadlines are completed first, reducing the likelihood of missing critical timing requirements. EDF is considered optimal for uniprocessor systems because it can achieve the maximum possible utilization without missing deadlines, provided the system’s load is within certain limits. It’s widely used in applications like multimedia, robotics, and embedded systems where timing precision is essential.