Protocols and Models

Network Protocols

Define a common set of rules that enable devices to communicate over networks.

Protocols

The rules governing communications that devices must agree on in order to communicate.

Protocol Suite

A group of inter-related protocols necessary to perform a communication function.

Data Encapsulation

The process where protocols add their information to the data as it moves down the layers.

Interoperability

The ability of different systems or organizations to work together.

Open Standards

Standards that encourage interoperability, competition, and innovation.

Sequence Numbering

A process that assigns numbers to message segments for efficient reassembly.

Unicast

A communication method where data is sent from one sender to one receiver.

Multicast

A communication method where data is sent from one sender to multiple specific receivers.

Broadcast

A communication method where data is sent from one sender to all potential receivers.

TCP/IP Model