(Software-Defined Broadband Network) An earlier name for a once-proposed high-bandwidth service from AT&T for data, voice and video using ATM. Other initiatives have replaced it.
"SDBN." YourDictionary, n.d. Web. 12 October 2018. <http://www.yourdictionary.com/sdbn>.
SDBN. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/sdbn
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