Router Naming Convention for digsys.bg, 201207

Router Naming Convention for digsys.bg, 201207

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 5
Positive Predictive Value: 0.923
True Positives (green): 12
False Positives (red): 1
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 3
False Negatives, not matched: 2
Training routers with a single interface in suffix: 3

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:

		bourgas1
193.68.8.2	+	bourgas1.digsys.bg
193.68.22.45	+	bourgas1.digsys.bg

		lovetch2
193.68.22.34	+	lovetch2.digsys.bg
193.68.29.65	+	lovetch2.digsys.bg

		rousse0
193.68.22.43	+	rousse0.digsys.bg
193.68.31.190	+	rousse0.digsys.bg

		sofia6
193.68.0.129	+	sofia6.digsys.bg
193.68.0.154	+	sofia6.digsys.bg

		sofia8
193.68.0.161	-	sliven1.digsys.bg
193.68.164.137	!	sofia6.digsys.bg
193.68.0.150	+	sofia8.digsys.bg
193.68.0.182	+	sofia8.digsys.bg
193.68.22.66	+	sofia8.digsys.bg
193.68.22.97	+	sofia8.digsys.bg

193.68.22.39	-	tarnovo1.digsys.bg
193.68.186.129	-	tarnovo2.digsys.bg

193.68.199.131	~	digsys131-199.pip.digsys.bg
193.68.199.177	~	digsys177-199.pip.digsys.bg

193.68.0.131	o	sofia7x.digsys.bg
212.5.132.242		212-5-132-242.btc-net.bg

193.68.2.218	o	digsys218-2.pip.digsys.bg
83.228.108.106		106_108.btc-net.bg

193.68.121.18	o	digsys18-121.pip.digsys.bg