This can be resolved by retransmitting the data after a random delay. The definition of Collision on this page is an original TechTerms. If you would like to reference this page or cite this definition, you can use the green citation links above. The goal of TechTerms. We strive for simplicity and accuracy with every definition we publish. If you have feedback about the Collision definition or would like to suggest a new technical term, please contact us.
Want to learn more tech terms? Subscribe to the daily or weekly newsletter and get featured terms and quizzes delivered to your inbox. You can unsubscribe or change your frequency setting at any time using the links available in each email. Please contact us. We just sent you an email to confirm your email address. The amount of time the stations wait before retransmitting increases with the number of collisions occurring on the network. A collision can only occur at the physical layer in the OSI model.
When multiple devices share a common media at the physical layer, which happens when you have multiple devices connected with a hub, there is a possibility that you will have a collision. The network area where a collision may occur is called a collision domain. In this post, I am going to talk about the 10 computer networking concepts that every professional should master. A broadcast domain contains all devices that can reach each other at the data link layer OSI layer 2 by using broadcast.
All ports on a hub or a switch are by default in the same broadcast domain. In the picture above we have three broadcast domains, since all ports on a hub or a switch are in the same broadcast domain, and all ports on a router are in a different broadcast domain.
Skip to content. Collision domain A collision domain is, as the name implies, the part of a network where packet collisions can occur.
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