Router Naming Convention for bbc.co.uk, 201307

Router Naming Convention for bbc.co.uk, 201307

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 2
Positive Predictive Value: 0.800
True Positives (green): 4
False Positives (red): 1
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 2
False Negatives, not matched: 0
Training routers with a single interface in suffix: 0

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:

		bc
132.185.254.178	+	ae1.er01.bc.bbc.co.uk
132.185.255.42	+	ge-1-0-0.er01.bc.bbc.co.uk

		thdo
132.185.254.81	-	ae1.pr01.thdow.bbc.co.uk
212.58.239.217	+	ntl-ge2-8.prt0.thdo.bbc.co.uk
212.58.239.45	+	rt1.thdo.bbc.co.uk
193.62.157.178		bbc.lond-sbr4.ja.net

212.58.239.18	-	ge0-2-368.rt0.tcman.bbc.co.uk
212.58.239.22	!	konnex-gw-b.thdo.bbc.co.uk