Hurrey !! Digital Ocean Guys Rocks again! Now Digital Ocean have implemented Floating IP service.
As per previous services from DO the beauty of the service is easiness. It is very essential service for High Availability cloud solutions.
Even Pro Cloud organizations like AWS also does not provide such services in easy way. Hats Off guys !! Keep it up !
Learn more about what Floating IPs are and how to use them on DigitalOcean with this tutorial.