You are tasked with designing a packet mirroring strategy for your gaming workload's network security architecture, situated in the us-west2 region across us-west2-a, us-west2-b, and us-west2-c zones. The infrastructure hosts a web-based application on TCP ports 80 and 443 alongside game servers using UDP. Your goal is to implement packet mirroring policies and collector instances while minimizing inter-zonal network egress costs, adhering to Google's recommended practices. Which approach should you take to deploy the packet mirroring policies and collector instances?