Router Naming Convention for wikimedia.org, 201702

Router Naming Convention for wikimedia.org, 201702

Regular Expressions:

^[^\.]+\.(cr1-[a-z]+)\.wikimedia\.org$

Statistics:

Training routers with at least two clustered interfaces: 3
Positive Predictive Value: 1.000
True Positives (green): 6
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: 4

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:

		cr1-codfw
208.80.153.218	+	ae0.cr1-codfw.wikimedia.org
208.80.153.210	+	xe-5-0-0.cr1-codfw.wikimedia.org
80.239.192.102		wikimedia-ic-308846-dls-b22.c.telia.net

		cr1-eqord
208.80.153.222	+	xe-0-0-0.cr1-eqord.wikimedia.org
208.80.154.209	+	xe-1-1-0.cr1-eqord.wikimedia.org
208.185.240.46		208.185.240.46.available.above.net

		cr1-esams
91.198.174.242	+	ae1-401.cr1-esams.wikimedia.org
91.198.174.253	+	ae1-402.cr1-esams.wikimedia.org

		cr1-ulsfo
198.35.26.208	+	xe-1-2-0.cr1-ulsfo.wikimedia.org
80.239.192.66		wikimedia-ic-308844-sjo-b21.c.telia.net

91.198.174.254	o	ae1-403.cr2-esams.wikimedia.org
62.115.145.25		wikimedia-ic-316335-adm-b3.c.telia.net

208.80.153.212	o	xe-5-0-0.cr2-codfw.wikimedia.org
64.125.129.70		64.125.129.70.ipyx-125449-003-zyo.zip.zayo.com

208.80.154.194	o	ae0.cr2-eqiad.wikimedia.org
80.239.132.226		wikimedia-ic-308845-ash-b1.c.telia.net