Send feedback Home Docs Documentation Migrate for Compute Engine (formerly Velostrata) 4.2 Velostrata 4.0 Documentation Documentation on cloud.google.com is for the latest version of Velostrata. Existing customers may still be using version 4.0. Documentation for Velostrata 4.0 is available here. Was this page helpful? Let us know how we did: Send feedback Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated July 17, 2019.