How do I include a dynamic block in the product page with full page caching turned on?

Question

We would like to add a dynamic block to the product page. The problem is that the product page has full page caching (and we cannot turn that off due to speed issues). We

Answer 1

There is no need to:

  $info['current_product_id'] = Mage::registry('current_product')->getId();

You can use this method:

$this->_getProductId()

implemented in Enterprise_PageCache_Model_Container_Abstract