Router Naming Convention for bt.net, 201508

Regular Expressions:

1. ^([a-z]+\d+)-.+-(\d+-0)-\d+\.(l-[a-z]+\.21cn-ipp)\.bt\.net$
2. ^(core\d+)-[^\.]+\.([a-z]+\.ukcore)\.bt\.net$
3. ^([a-z]+\d+)-[a-z]+\d+-(\d+)-[^\.]+\.([^\.]+\.[^\.]+)\.bt\.net$

Statistics:

• Training routers with at least two clustered interfaces: 32
• Positive Predictive Value: 0.931
• True Positives (green): 269
• False Positives (red): 20
• IP literals extracted (red): 0
• False Negatives, identifier extracted (orange): 2
• False Negatives, not matched: 194
• Training routers with a single interface in suffix: 36

Legend:

Evaluation against training data: