CN2 GIA vs CN2 GT: Routing, Peak-Hour Performance, and Selection Criteria

CN2 GT only uses CN2 for the outbound segment, while CN2 GIA uses CN2 from provincial nodes along the entire route. This article explains the differences in routing, peak-hour stability, three-network return paths, and cost, shows how to identify lines with traceroute/MTR, and gives selection advice based on business scenarios.