A network protocol defines rules and conventions for communication between network devices. Rules of Network Protocol include guidelines that regulate the following characteristics of a network: access method, allowed physical topologies, types of cabling, and speed of data transfer.
The most common network protocols are:
- Ethernet
- Local Talk
- Token Ring
- FDDI
- ATM
- Fiber optic protocol
- Mime protocol
- Bluetooth protocol
- Network time protocol
- PPP Point to Point Protocol