Having done TCP Anycast for more than 8 years in production now, with extensive testing, and third-party monitoring, there has never been an issue with it. Whe

Having done TCP Anycast for more than 8 years in production now, with extensive testing, and third-party monitoring, there has never been an issue with it. When a route flap happens that causes an AS path selection change, the user almost universally routes back to the exact same node they would have routed to prior to the flap. The theoretical "IT person in texas doing per packet load balancing on a Sprint T1 to Atlanta and an ATT T1 to Denver" doesn't actually exist.