About
Real time refers to the data latency property of eventual consistency being almost instantaneous.
See (Stream|Pipe|Message Queue|Event Processing)
Real time process have the highest priority
They are generally passed over a websocket in dual communication application.
Example
push real-time updates such as:
- notifications,
- vote counts,
- new answers
- comments
Algorithm
Recursive algorithm on few data may run in real time: See Data Science - (Kalman Filtering|Linear quadratic estimation (LQE))