Router Naming Convention for wikimedia.org, 201904

Router Naming Convention for wikimedia.org, 201904

Regular Expressions:

^[^\.]+\.(cr\d+-[a-z]+)\.wikimedia\.org$

Statistics:

Training routers with at least two clustered interfaces: 2
Positive Predictive Value: 1.000
True Positives (green): 4
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 0
Training routers with a single interface in suffix: 2

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:

		cr2-eqiad
208.80.154.194	+	ae0.cr2-eqiad.wikimedia.org
91.198.174.248	+	xe-4-1-3.cr2-eqiad.wikimedia.org
80.239.132.226		wikimedia-ic-308845-ash-b1.c.telia.net

		cr2-knams
78.41.155.38	+	xe-0-0-1.cr2-knams.wikimedia.org
77.109.134.114		gw-wikimedia.init7.net

		cr3-ulsfo
198.35.26.208	+	xe-0-1-1.cr3-ulsfo.wikimedia.org
80.239.192.66		wikimedia-ic-308844-sjo-b21.c.telia.net

		cr4-ulsfo
198.35.26.197	+	ae0-2.cr4-ulsfo.wikimedia.org
198.35.26.210	+	xe-0-1-2.cr4-ulsfo.wikimedia.org
129.250.204.6		xe-0-1-0-3-6.r05.plalca01.us.ce.gin.ntt.net