Not to be confused with Out of bounds in programming languages; See Bounds checking.
The present disambiguation page holds the title of a primary topic, and an article needs to be written about it. It is believed to qualify as a broad-concept article. It may be written directly at this page, or drafted elsewhere then moved over here. Related titles should be described in Out-of-band, while unrelated titles should be moved to Out-of-band (disambiguation).
Out-of-band is activity outside a defined telecommunications frequency band, or, metaphorically, outside some other kind of activity.
Out-of-band agreement, an agreement or understanding between the communicating parties that is not included in any message sent over the channel but which is relevant for the interpretation of such messages
Out-of-band data, in computer networking, a separate stream of data from the main data stream
Out-of-band management, in computer administration, system console access, even in the event of primary network subsystem failure
Out-of-band authentication, user authentication over a network or channel separate from the primary network or channel; used in multi-factor authentication
Out-of-band access refers to access via a dedicated management channel that is used for device maintenance purposes only.It is used at console method which is a physical management port that provides out-of-band access to a device.