https://blog.cloudtrooper.net/2026/01/16/which-azure-network-is-cheaper/
https://blog.cloudtrooper.net/2022/12/19/vrfs-and-virtual-wan/
https://www.linkedin.com/posts/activity-7245054198839435265-tJXG?utm_source=share&utm_medium=member_ios
https://techcommunity.microsoft.com/t5/azure-network-security-blog/private-ip-dnat-support-and-scenarios-with-azure-firewall/ba-p/4230073
VNET flow logs
https://techcommunity.microsoft.com/t5/azure-networking-blog/network-traffic-observability-with-virtual-network-flow-logs/ba-p/4112907