out-of-band

The term out-of-band has different uses in communications and telecommunication.

In general language, out-of-band refers to communications which occur outside of a previously established communication method or channel.

In personal communications, methods other than e-mail (such as telephone or snail-mail) are sometimes called "out-of-band".

Out-of-band can also be referred to add-on features that are released separately from a product's main release cycle.

Protection mechanisms execute in trusted emulators while remaining out-of-band of untrusted systems being emulated.

Therefore any significant amount of binary data (e.g., file transfers) is best transmitted out-of-band, using in-band messages to coordinate.

In the common-channel signaling scheme for telecommunications, signaling is sent out-of-band, while all other traffic rides bearer channels.

D-channel in ISDN is an example of out-of-band and CCS signaling methods.

HTML documents served across the web by HTTP should have their encoding stated out-of-band using the header.

Any consumer key that is registered on Twitter for a desktop application key will only be able to use the so-called out-of-band (OOB) authorization method, which doesn't rely on redirection.

In addition, I3 permits OOB (out-of-band) connections between MUDs, which temporarily results in direct communication between two participating MUDs.

In authentication, out-of-band refers to utilizing two separate networks or channels, one of which being different from the primary network or channel, simultaneously used to communicate between two parties or devices for identifying a user.

Since AMT presents the posture out-of-band, the network can also authenticate the PC out-of-band, before the OS or applications load and before they try to access the network.

Intel AMT relies on a hardware-based out-of-band (OOB) communication channel that operates below the OS level, the channel is independent of the state of the OS (present, missing, corrupted, down).

The MegaRAC from American Megatrends is a product line of Service Processors providing complete Out-of-band, or Lights-out remote management of computer systems independently of the Operating System status or location to troubleshoot computers and assure continuity of service.

From major version 6, Intel AMT embeds a proprietary VNC server, so you can connect out-of-band using dedicated VNC-compatible viewer technology, and have full KVM (Keyboard, Video, Mouse) capability throughout the power cycle - including uninterrupted control of the desktop when an operating system loads.