Oracle has published a sysdiff utility that makes it easier to migrate legacy applications from Solaris 10 to a Solaris 11.4-based environment. Due to the transition of Solaris 11 to the IPS (Image Packaging System) package system and the end of support for SVR4 packages, direct migration of applications with existing dependencies is difficult, despite maintaining binary compatibility, so until now one of the simplest migration options was to launch a separate isolated environment Solaris 10 inside a system with Solaris 11.4.
The sysdiff utility allows you to select application-related files and transfer them to the Solaris 11.4 environment without wasting resources on maintaining a separate isolated zone with Solaris 10. Sysdiff analyzes the specified Solaris 10 environment and generates IPS packages for executables, libraries, data, files configuration and other components not related to the operating system. The prepared IPS packages are initially adapted for execution in an environment with Solaris 11.4 and access to files used in the Solaris 10 environment. The utility only supports launching from Solaris 11.4, so if you need to migrate individual installations from Solaris 10 running on top of hardware, they must first be converted into an isolated solaris10 environment running on Solaris 11.4.
Source: opennet.ru