silo
other.— «The Telecommunications Act of 1996, while largely sticking to the legacy regulatory “silo” regime, took a small step towards the horizontally layered engineering world in several respects. Most importantly, the 1996 Act largely adopted the basic/enhanced services split, in the guise of “telecommunications service” and “information service,”50 thereby affirming the rich legacy of the Computer Inquiry decisions.» —“A Horizontal Leap Forward: Formulating a New Communications Public Policy Framework Based on the Network Layers Model” by Richard S. Whitt Federal Communications Law Journal May 1, 2004. (source: Double-Tongued Dictionary)