Router Naming Convention for sdnglobal.com, 201304

Router Naming Convention for sdnglobal.com, 201304

Regular Expressions:

^[^-]+-\d+-\d+\.[a-z]+\d+\.([a-z]+)\.sdnglobal\.com$

Statistics:

Training routers with at least two clustered interfaces: 3
Positive Predictive Value: 0.857
True Positives (green): 6
False Positives (red): 1
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 3
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:

		sdnatl
64.30.144.97	~	64-30-144-97.sdnglobal.com
64.30.144.181	+	se0-1-1.cr01.sdnatl.sdnglobal.com
64.30.144.82	+	vl815.gi2-0-0.cr02.sdnatl.sdnglobal.com

		sdnatl
64.128.32.38	!	se1-1-0.cr02.sdnatl.sdnglobal.com

		sdnlon
64.30.144.74	+	vl580.gi8-0-0.cr01.sdnlon.sdnglobal.com
64.30.144.99	+	vl873.gi8-0-0.cr01.sdnlon.sdnglobal.com
77.67.73.194		sdn-global-gw.ip4.tinet.net

		sdnnyc
64.30.144.134	~	64-30-144-134.sdnglobal.com
64.30.145.246	~	64-30-145-246.sdnglobal.com
64.30.144.73	+	vl580.gi1-0-0.cr01.sdnnyc.sdnglobal.com
64.30.144.81	+	vl815.gi1-0-0.cr01.sdnnyc.sdnglobal.com
208.74.19.4		19-74-208-4.ftgxip.net

64.30.144.202	o	64-30-144-202.sdnglobal.com
118.127.66.74		as32258-1.harbourmsp.com