The Oracle Solaris 9 operating system is now in the Sustaining Support period of it's life cycle. Customers with support contracts can still access patches and log new service requests, although support contracts carry a surcharge for Oracle Solaris 9 support.
Support terms are laid out in the Oracle Hardware and Systems Support Policies document.
Oracle Solaris life cycle information can be found at the Oracle Lifetime Support Policies page. The policies that apply to Oracle Solaris are found in the Oracle Lifetime Support Policy: Oracle and Sun System Software brochure.
Oracle Solaris Legacy Containers are a popular migration method for moving Oracle Solaris 9 applications to newer hardware running Oracle Solaris 10. See the following two white papers for more information:
Best Practices for Moving to the Oracle Solaris 10 Operating System
Moving to Oracle Solaris 10
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