Router Naming Convention for bbc.co.uk, 201609

Router Naming Convention for bbc.co.uk, 201609

Regular Expressions:

^[a-z]+\d+\.([a-z]+\d+\.[a-z]+)\.bbc\.co\.uk$

Statistics:

Training routers with at least two clustered interfaces: 4
Positive Predictive Value: 1.000
True Positives (green): 8
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 6
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:

		er01.thdow
132.185.254.21	+	ae0.er01.thdow.bbc.co.uk
132.185.254.18	+	ae1.er01.thdow.bbc.co.uk

		er02.rbsov
132.185.254.70	+	ae1.er02.rbsov.bbc.co.uk

		er02.thdow
132.185.254.22	+	ae0.er02.thdow.bbc.co.uk
132.185.254.33	+	ae1.er02.thdow.bbc.co.uk

		pr01.rbsov
132.185.254.42	+	ae0.pr01.rbsov.bbc.co.uk
132.185.254.66	+	ae1.pr01.rbsov.bbc.co.uk

		pr01.thdow
132.185.254.77	+	ae0.pr01.thdow.bbc.co.uk
132.185.254.81	+	ae1.pr01.thdow.bbc.co.uk
193.62.157.178		bbc.lond-ban4.ja.net

132.185.143.91	~	143-91.ch.bbc.co.uk
132.185.143.95	~	143-95.ch.bbc.co.uk

132.185.143.104	~	143-104.ch.bbc.co.uk
132.185.143.106	~	143-106.ch.bbc.co.uk

132.185.143.184	~	143-184.ch.bbc.co.uk
132.185.143.186	~	143-186.ch.bbc.co.uk