ASP.NET Core & Framework
It was developed by Microsoft to allow programmers to build dynamic web sites, web applications and web services. It was first released in January 2002 with version 1.0 of the .NET Framework, and is the successor to Microsoft’s Active Server Pages (ASP) technology.
ASP.Net Services
Relliks Systems provides ASP.NET application services that are built-in web services which provides access to features such as authentication, roles, and profile properties. These services are part of a service-oriented architecture (SOA), in which an application consists of one or more services provided on the server and one or more clients.