* jra@baylink.com (Jay Ashworth) [Tue 29 Sep 2015, 17:31 CEST]:
The idea of a private tieline network that is connected, by SIP, to a line appearance in the NOC of each AS, and no one else is on it, seems like a fine idea to me.
Until you take into account that SIP doesn't work through many firewalls, that people generally don't give a second thought to timezones, that network engineers generally dislike having to mess with voice systems, etc. etc. 2 out of 3 INOC-DBA calls I ever received were silent on their end (presumably) due to firewalls; the third call was a test.
And that was INOC-DBA's original goal, as I understand it:
You're having a problem? It's coming from some specific AS?
Pick up the phone, mash the red INOC line button, dial the AS number, and you're talking to their NOC.
And that's *authenticated*: since it's low enough churn to set up by hand, it's authenticated by humans.
In other words, it wasn't secure, it wouldn't scale and churn killed it.
Show of hands: who has it set up, correctly, right now?
No. There is nothing I'd do after receiving a phone call that I wouldn't do via email anyway. -- Niels.