The subject invention relates to a valve replacement system together with methods of preparation and use, are provided for endovascular replacement of a heart valve in a host. A virtual machine migrated from another computer is run in the computer. A cluster of Java\u2122 object representations is disclosed. Systems are provided to automatically preprocess, or \u201cclean\u201d the information to make it more useful. The upper metallic layer is removed before the formation of required configurations from the remaining layer.