ASP.NET Identity

Introduction to ASP.NET Identity
http://www.asp.net/identity/overview/getting-started/introduction-to-aspnet-identity

Overview of Custom Storage Providers for ASP.NET Identity
http://www.asp.net/identity/overview/extensibility/overview-of-custom-storage-providers-for-aspnet-identity

Implementing a Custom MySQL ASP.NET Identity Storage Provider
http://www.asp.net/identity/overview/extensibility/implementing-a-custom-mysql-aspnet-identity-storage-provider
  
Working with Roles in ASP.NET Identity for MVC
http://www.dotnetfunda.com/articles/show/2898/working-with-roles-in-aspnet-identity-for-mvc  
ASP.NET Identity 2.0: Customizing Users and Roles
http://johnatten.com/2014/06/22/asp-net-identity-2-0-customizing-users-and-roles/
Creating Roles in Asp.net Identity MVC 5
http://stackoverflow.com/questions/19697226/creating-roles-in-asp-net-identity-mvc-5

Add role in ASP.NET Identity
http://stackoverflow.com/questions/19541101/add-role-in-asp-net-identity