VS2013 update 4, MVC5
Still relatively new to MVC. To divide functional domains within an MVC project the use of Areas seems clear from these posts (olderSOlink, newerMVC5link).
Is there ever a reason that sub-domains would be integrated as part of a solution involving different functional domains of a given MVC project? I don't have a reason to want to make use of sub-domains, I'm just asking because I don't know if there is some advantage I should know about.
Is it even possible without great difficulty? For example, can logons transfer across sub-domains? Would there be other difficult issues to address?
At present the project I am building is 'relatively' small and will have around 5 major domains so I'm assuming Areas is the best architecture to isolate these domains, but I wanted to ask for guidance before I go too far and make decisions that would make the use of sub-domains difficult in the event there is a compelling reason to use them in a single MVC project.