mitaka版provider network和self-service network

如题所示，这两种网络类型的区别在哪里啊，能详细的讲一下么？还有就是能提供一下这两者的详细描述么

http://stackoverflow.com/questions/36747239/what-is-the-difference-between-provider-network-and-self-service-network-in-open