Router Naming Convention for digsys.bg, 201708

Router Naming Convention for digsys.bg, 201708

Regular Expressions:

^[a-z]+\d+-\d+\.([a-z]+)\.digsys\.bg$

Statistics:

Training routers with at least two clustered interfaces: 1
Positive Predictive Value: 0.667
True Positives (green): 2
False Positives (red): 1
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 1
Training routers with a single interface in suffix: 1

Legend:

Green	+	Inferred identifier, true positive when evaluated against training data
Orange	-	Inferred identifier, false negative when evaluated against training data
Red	!	Inferred identifier, false positive when evaluated against training data
Red	x	Inferred identifier, but contains part of IP address literal embedded in hostname
	~	False negative, not matched
	o	No regex matched the interface, but the interface was the only interface in this suffix on the router
	*	A filter regex matched the interface

Evaluation against training data:

		pip
193.68.142.74	+	digsys74-142.pip.digsys.bg
193.68.142.77	+	digsys77-142.pip.digsys.bg

		pip
193.68.0.37	!	digsys37-0.pip.digsys.bg
193.68.0.115	~	sofia7x.digsys.bg
212.5.132.242		212-5-132-242.ip.btc-net.bg

193.68.8.82	o	neftochim-gw.digsys.bg
77.85.197.214		77-85-197-214.ip.btc-net.bg