Router Naming Convention for ngdc.net, 201603

Router Naming Convention for ngdc.net, 201603

Regular Expressions:

^[a-z]+\d+-[^\.]+\.([a-z]+\d+\.[a-z]+\.cph)\.ngdc\.net$

Statistics:

Training routers with at least two clustered interfaces: 4
Positive Predictive Value: 1.000
True Positives (green): 11
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 1
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:

		asr0.taa.cph
77.66.55.32	+	te0-0-0-0.asr0.taa.cph.ngdc.net
77.66.55.46	+	te0-0-0-3.asr0.taa.cph.ngdc.net

		asr1.taa.cph
77.66.55.33	+	te0-0-0-0.asr1.taa.cph.ngdc.net
77.66.55.124	+	te0-0-0-2.asr1.taa.cph.ngdc.net
77.66.55.50	+	te0-0-0-3.asr1.taa.cph.ngdc.net

		dr0.gl.cph
77.66.55.83	+	ge1-25.dr0.gl.cph.ngdc.net
77.66.55.85	+	ge1-26.dr0.gl.cph.ngdc.net
77.66.55.89	+	ge1-31.dr0.gl.cph.ngdc.net
77.66.55.87	+	ge1-32.dr0.gl.cph.ngdc.net

		dr0.taa.cph
77.66.55.73	+	te2-7.dr0.taa.cph.ngdc.net
77.66.34.20	~	vl1512.dr3.taa.cph.ngdc.net

		dr3.taa.cph
77.66.55.53	+	te4-2.dr3.taa.cph.ngdc.net

		poi0.taa.cph
77.66.55.121	+	te1-4.poi0.taa.cph.ngdc.net
77.66.55.123	+	te1-5.poi0.taa.cph.ngdc.net

83.221.128.124	o	ix01.cust.ngdc.net
149.6.136.30		solido.demarc.cogentco.com