The article discusses how to set up Global Server Load Balancing (GSLB) with Avi Networks and VMware NSX Advanced Load Balancer (ALB) for disaster recovery and high availability of applications across two sites. The author provides a step-by-step guide on how to deploy AMKO (Avi Management Kit for OpenStack) in their primary k8s cluster, prepare a secret that contains the context/clusters/users for all the k8s clusters they want to use GSLB on, and create a GSLB service. The author also discusses how to apply gslb settings on the secondary site and demonstrates how to load balance traffic between two sites using different algorithms such as Geo Location Source.

The article highlights the benefits of using GSLB with Avi Networks and NSX ALB, including redundancy, scale-out, and availability. The author also mentions that there are many possibilities with GSLB, such as load balancing algorithms, and that they will discuss more advanced settings in the future. Overall, the article provides a comprehensive guide on how to set up GSLB with Avi Networks and NSX ALB for disaster recovery and high availability of applications across two sites.