50% of actual usage. We had no integration between NOC and sales, so we had no clue about subscribed throughput. Also, network topology -- e.g. redundant paths

50% of actual usage. We had no integration between NOC and sales, so we had no clue about subscribed throughput. Also, network topology -- e.g. redundant paths -- made the mapping between customers and network pretty tricky. I'm talking here about access network and core network, not last mile.