[Urgent] Some questions about Oracle Portal 10g - 11g upgrade

Dear friends,
We are under doing upgrading assessment of Oracle Portal from 10g to 11g. After reviewed the 'upgrading guide', we still have some questions as below:
1. Whether the 'Instant Portal' feature remain in Oracle Portal 11g? If yes, how to migrate the Instant Portal 10g sites? If no, any workaround?
2. Whether the old 10g Page Group and Pages will be still available after 11g upgrade? Also can customer import the old 10g transportset into Portal 11g?
3. How about the customized Portal 10g objects (such as customized template, style, attributes) after 11g upgrade? Still be usable?
4. Customer use PDK to develop many portlets in 10g. Can they use JDeveloper 11g to migrate their old project to 11g automatically?
Thank you in advance and any comment are welcome.

1. Whether the 'Instant Portal' feature remain in Oracle Portal 11g? If yes, how to migrate the Instant Portal 10g sites? If no, any workaround?Instant Portal is not available anymore in Oracle Portal 11g. The Instant Portal page groups will be migrated to standard Portal page groups. Maintenance of the Instant Portal can be done with the standard Portal tools. The Instant Portal tools are not available anymore.
Whether the old 10g Page Group and Pages will be still available after 11g upgrade? Also can customer import the old 10g transportset into Portal 11g?Old 10g Page Groups are migrated to Portal 11g. They will still be available after the upgrade.
Export/Import through transports sets has always been limited to instances of the same version. It is not supported between versions as documented in the Administration Guide :
[11.2.1|http://download.oracle.com/docs/cd/E14571_01/portal.1111/e10239/cg_imex.htm#CCJBCCGD] System Requirements
Before exporting and importing content, ensure that your system meets the minimum system requirements, as described in this section.
Notes:
* Export and import functions only within the same release of Oracle Portal and the same patch release, for example, release 10.1.4 to release 10.1.4 or release 11.1.1 to release 11.1.1. You cannot export and import between two different releases, such as release 10.1.2 to release 10.1.4 or release 10.1.4 to release 11.1.1.
How about the customized Portal 10g objects (such as customized template, style, attributes) after 11g upgrade? Still be usable?Customized objects get migrated as well. Certain types (e.g. PL/SQL item types) need to be checked after upgrade as the behavior of the PL/SQL code may differ between database versions. This is particularly of concern when the 10.1.4.x Portal uses a 10.1 database. A database upgrade to either 10.2, 11.1 or 11.2 is necessary as Portal 11g is not supported with RDBMS 10.1.
Customer use PDK to develop many portlets in 10g. Can they use JDeveloper 11g to migrate their old project to 11g automatically?Never done this, but the Portal framework is able to consume JPDK providers which are running in older versions of the toolkit. If the providers are running in standalone OC4J containers, you would be able to upgrade the framework and keep the providers in their OC4J containers. This will allow you to focus on the framework first and worry about your providers later.
Thanks,
EJ

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