What is PEN?
PEN is a highly available, highly scalable, and amazing load balancer (LB) for TCP and UDP-based protocols that allows a lot of servers to appear as only one to the cloud,
Centralized Configuration Management: Spring Comes to the Rescue (Again)
Nowadays no one disputes the need to save application settings in the environment and not within the software component. This is one of the premises when developing software. In fact this is one of the twelve-factor app methodology points.