Consolidate dual-stack architectures with listener rules for Network Load Balancer

Today, Amazon Web Services (AWS) announces listener rules for Network Load Balancer (NLB), a feature that routes connections to different target groups based on the source IP address type. With listener rules, a single dual-stack NLB sends IPv6 client traffic to IPv6 targets and IPv4 client traffic to IPv4 targets, with no protocol translation and full source IP preservation for both address families.