DLL more stable/better alternative than Web Service?

DLL more stable/better alternative than Web Service?

References

Reference NO 1

http://www.servicestack.net/mythz_blog/

Reference NO 2

http://www.mono-project.com/FAQ:_ASP.NET

Reference NO 3

http://en.wikipedia.org/wiki/ASP.NET

Reference NO 4

http://msdn.microsoft.com/en-us/library/ff647786.aspx

Reference NO 5

http://stackoverflow.com/questions/1039451/alternative-to-office-interop-for-document-generation

Reference NO 6

http://codeontime.com/CodeOnTime_IronSpeed

Reference NO 7

http://coding.smashingmagazine.com/2012/07/02/dive-net-web-development/

Reference NO 8

http://dotnetzip.codeplex.com/