olemus
ISO/IEC 27040:
(side või edastus) eelnevalt kehtestatud sidemeetodi või kanaliga; samal meediumil võib olla eraldi protokoll
näiteks halduseks
= communication or transmission that occurs within a previously established communication method or channel
Note. The communications or transmissions often take the form of a separate protocol, such as a management protocol over the same medium as the primary data protocol.

ülevaateid
https://en.wikipedia.org/wiki/In-band_signaling

https://en.wikipedia.org/wiki/In-band_control

https://www.itu.int/rec/dologin_pub.asp?lang=f&id=T-REC-Q.20-198811-I!!PDF-E&type=items

https://www.quora.com/What-are-the-differences-between-in-band-and-out-band-management

vt ka
- lisakanaliga
- ribaväline signaalimine