Method and apparatus for upgrading a database in a redundant environment by release chaining

摘要

What is disclosed is a method of updating a message from a first version to an upgraded version by chaining through intermediate versions, including the steps of receiving an update message having a first version format, and repeatedly generating a revised update message having a next most recent version format based on the update message until a final update message having an upgraded version format is generated. An apparatus for performing the method is also disclosed.