May 26, 2015 10:49 PM|Weibo Zhang|LINK
In my opinion, there is no difference between command IIS and Cloud. We also can share the cookies between them.
We can use form authentication which by default allows to share the same cookie across sites under the same domain using the same configuration key using the <machineKey> element. And about cross domain, there has to be some "workaround" or some implementation
model that lets these two sites to access a single cookie via some "indirect" mechanism.
For more information, please refer to the document: