OSS Sandpit – Inventory Enrichment: Finding the Gaps Before an Outage Does

OSS Sandpit – Inventory Enrichment: Finding the Gaps Before an Outage Does Every inventory is out of date somewhere. A switch goes in during a late-night cutover and the paperwork never follows. A port is patched for a trial and stays in service for three years. A site is decommissioned on paper but still answers […]
OSS Sandpit – What-If Analysis: Replaying Real Outages on the Network

OSS Sandpit – What-If Analysis: Replaying Real Outages on the Network In February 2023, Cyclone Gabrielle cut every major fibre route into Hawke’s Bay and Gisborne. Bridges collapsed and took the cables with them, and roads slid off hillsides. For days afterwards, much of the region struggled to stay connected. Most carriers would like to […]
OSS Sandpit – Hidden Single Points of Failure: Routes That Look Diverse but Aren’t

OSS Sandpit – Hidden Single Points of Failure: Routes That Look Diverse but Aren’t Ask any network planner whether their important sites are protected and the answer is usually yes: there are two routes, an “east” and a “west”, so if one is cut the other carries the traffic. On the map, the two lines […]
OSS Sandpit – Assurance Module: From Alarm to Customer Impact

Every NOC has lived this moment. The alarm list lights up, dozens of red rows appear at once, and the first question from the duty manager isn’t “what broke?” It’s “who’s affected, and how bad is it?” This article provides a walkthrough of the Assurance module of our Personal OSS Sandpit Project, which sets out […]