Ethernet (Local area network system) 5 Local area networks (Computer networks) 2 Computer network architectures 1 Computer networks 1 Data compression (Telecommunication) 1 Digital telephone systems 1 Dissertations 1 Dissertations, Academic 1 Integrated services digital networks 1 Metropolitan area networks (Computer networks) 1 Packet switching (Data transmission) 1 User interfaces (Computer systems) 1 Video compression 1