What does out of band mean in network management?
This enables administrators to gain control even during infrastructure faults. Out-of-band (OOB) management is a method of remotely controlling and managing critical IT assets and network equipment using a secure connection through a secondary interface that is physically separate from the primary network connection. This is in contrast to out-of-band signaling which is sent over a different channel, or even over a separate network. In telecommunications, in-band signaling is the sending of control information within the same band or channel used for data such as voice or video.
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