NGINX cannot be a replacement for your traditional load balancer with what we use in the network today. However, with applications going toward microservices, NGINX is definitely a way forward. F5 has many traditional load balancing features, so they still need to bring some of those features to NGINX. NGINX is a very basic load balancer and cannot do as many customizations as F5. I think F5 is trying to implement those features in NGINX so they can improve the balancing on NGINX, but I think that will take some time. With the traditional F5 set up, the same OS can do load balancing, firewalls, and even policy enforcement. If we are able to bring some of those capabilities to NGINX, I think it would become a versatile solution and usage would definitely increase.
