What is contention free protocol?

A contention-free protocol is a type of communication protocol designed to eliminate competition among multiple users for access to a shared communication medium. In such protocols, resources are allocated in a way that prevents collisions, often through mechanisms like time division, token passing, or scheduling. This ensures that each user or device can transmit data without interference, leading to more predictable performance and reduced delays. Common examples include Time Division Multiple Access (TDMA) and Token Ring protocols.