Router Naming Convention for pitt.edu, 201104

Router Naming Convention for pitt.edu, 201104

Regular Expressions:

([a-z]+)-[^\.]+\.gw\.pitt\.edu$

Statistics:

Training routers with at least two clustered interfaces: 9
Positive Predictive Value: 0.923
True Positives (green): 24
False Positives (red): 2
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 4
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:

		a
136.142.252.205	+	ehb4a-voice-g-1-0-1.gw.pitt.edu
136.142.252.211	+	ehb4a-voice-g1-0-3.gw.pitt.edu

		brd
136.142.252.54	+	t3-0-0-0-0.brd-cl.gw.pitt.edu
136.142.252.175	+	t3-0-0-1-0.brd-cl.gw.pitt.edu

		cl
136.142.252.164	+	ge-0-0-0-0.cl-wan2.gw.pitt.edu
136.142.252.172	+	t3-1-1-0-0.cl-wan2.gw.pitt.edu

		externals
136.142.2.161	+	ge-2-0-0-712.externals-cl.gw.pitt.edu
136.142.253.173	+	ge-2-0-0-716.externals-cl.gw.pitt.edu
136.142.253.177	-	te1-2-23.fr-core-1.gw.pitt.edu
136.142.2.169	+	xe-1-0-0-713.externals-cl.gw.pitt.edu

		fq
136.142.253.198	+	te1-1-99.fq-core-2.gw.pitt.edu
136.142.2.170	+	vl713.fq-core-2.gw.pitt.edu

		hsrp
136.142.75.3	+	hsrp-ps2-vlan1142.gw.pitt.edu
136.142.43.3	+	hsrp-ps2-vlan1920.gw.pitt.edu
130.49.151.227	+	hsrp-ps2-vlan1922.gw.pitt.edu
130.49.151.243	+	hsrp-ps2-vlan1924.gw.pitt.edu
136.142.253.50	-	te1-2.ps-core-2.gw.pitt.edu
130.49.156.131	-	vl1584.ps-core-2.gw.pitt.edu
130.49.156.163	-	vl1586.ps-core-2.gw.pitt.edu

		mc
130.49.220.3	+	mc-backup-1.gw.pitt.edu
136.142.253.145	+	te1-1-58.mc-core-1.gw.pitt.edu
136.142.253.214	+	te1-3-66.mc-core-1.gw.pitt.edu
136.142.253.126	+	te9-2.mc-core-1.gw.pitt.edu

		rd
136.142.253.239	+	te1-1.rd-core-3.gw.pitt.edu
136.142.7.35	+	vl3202.rd-core-3.gw.pitt.edu
136.142.253.230	+	vl727.rd-core-3.gw.pitt.edu

		th
136.142.253.201	+	te1-1.th-core-1.gw.pitt.edu
136.142.253.203	+	te2-1.th-core-1.gw.pitt.edu

136.142.253.178	!	te8-4-51.fq-core-2.gw.pitt.edu
136.142.253.174	!	xe-1-0-0-716.externals-fq.gw.pitt.edu