Patent 9584505 was granted and assigned to Salesforce.com, Inc. on February, 2017 by the United States Patent and Trademark Office.
In accordance with disclosed embodiments, there are provided methods, systems, and apparatuses for implementing a cross instance user authentication architecture in an on-demand service environment including, for example, means for receiving a login request at a global Virtual Internet Protocol (VIP) address for the host organization from a client device; forwarding the login request; determining the selected datacenter is a home-geo or a non-home-geo datacenter; establishing a back-end link; forwarding the login request from the non-home-geo datacenter to the home-geo datacenter via the back-end link for authentication; and returning a response to the client device from the non-home-geo datacenter upon successful authentication of the login request at the home-geo datacenter. Other related embodiments are disclosed.