Migration speed is directly related to the complexity of your Java deployment. If you have many applications running on desktops that rely on deprecated technologies such as Applets or Web Start, you will want to take a phased approach over weeks or months. At the other extreme, if you have Oracle JDK installed on servers and can quickly identify the machines running JAR applications, you could complete the migration in a weekend. Azul has helped customers successfully migrate thousands of applications in a 48-hour period.