Out-Of-band


Out-of-band is the term for communication outside the main channel or data transmission over another frequency band. Out-of-band is used, for example, in managed servers.

The opposite of out-of-band is in-band, i.e., communication through the main channel. A typical example is managing a server or hosting via a classic internet network.

There are two main reasons for out-of-band communication. The first is security because it involves a dedicated line with alternative access, which may consist of, for example, fibre optic cables. In addition to increased security, this approach also provides greater availability of an administrative interface that does not depend only on the main network’s functionality. Server management over out-of-band communication is thus suitable for mission-critical applications requiring high availability and security.

You Might Be Interested In


Any suggestions for improving the tutorial?

Let us know by sending a message