What is Domain?

A domain is a type of computer network in which all user computers, printers accounts, and other devices registered. It is a central database located on single or multiple clusters of central computers, that is known as domain controllers.

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What is Collision Domain?

The collision domain defines the set of devices on which their frames could collide. It is a network segment connected by a shared medium or using repeaters where real-time data transmissions collide.

The collision domain applies to wireless networks. However, it also affects earlier versions of Ethernet. A collision happens when two separate devices simultaneously send a packet on the commonly shared network segment. The packets collide, and both devices require sending the packets again. That helps you to reduce network efficiency.


What is Broadcast Domain?

A broadcast domain is a logical division of a computer network. In this type of Domain, nodes can reach each other using broadcast at the data link layer. A broadcast domain either in the same LAN segment or which can bridge to other LAN networks.

This Domain contains all devices which can reach each other at the data link layer with the help of broadcast. Every port on a switch or in a hub should be in the same broadcast domain.


However, all port on a router are in the distinct broadcast domains, and routers never broadcast from one Domain to another.

Example of Collision domains


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Collision DomainBroadcast Domain
The Collision domain is a network section that allows traffic to flow forward and backward.A Broadcast domain is a type of Domain wherein traffic flows all over the network.
The Collision domain refers to a set of devices in which packet collision could occur.Broadcast domain refers to a logical set of reachable computer systems without using a router.
The devices might include the devices of other IP subnetworks.Broadcast Domain is never limited to the specific IP subnetwork for all types of IP broadcasts.
Packet collision occurs as multiple devices transmit data on a single wire link.The broadcast domain mostly uses a switched environment to broadcast, so no collision occurs.
Switches will break in the collision domain.Switches will never break in the broadcast domain.
In, collision domain, every port on a router are in the separate broadcast domains.All ports on a switch or a hub likely to be in the same broadcast domain.

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KEY DIFFERENCES:

The Collision domain is a network section that allows traffic to flow forward and backward. In contrast, a Broadcast domain is a type of Domain wherein traffic flows all over the network.In the Collision domain, all the devices might include the devices of other IP subnetworks, whereas in the broadcast Domain is never limited to the specific IP subnetwork for all types of IP broadcasts.In collision domain, packet collision occurs as multiple devices transmit data on a single wire link. On the other hand, the broadcast domain mostly uses a switched environment to broadcast, so no collision occurs.