Drupal uses cookie based session management.
Our application is embedded in other applications, such as Facebook, iFrame....
Users browser blocks 3rd-party cookie. So Drupal cookie based session management does not work.
How to develop a no cookie session management for Drupal website ?
For example, the following is some information.
This is a sandbox project.
Helps you bypass cookie based session management on your Drupal site.
This is good approach for embedded sites, for example Facebook iframe based embedded applications
which will allow you to implement fully functional Drupal site within iframe avoiding problems
with browser cross-domain cookie restrictions.