In the name of public interest, a large proportion of Telecommunications policy is concerned with the economic regulation of interstate as well as international communication. This includes all communication by radio, telephone, wire, cable and satellite. Telecommunications policy outlines antitrust laws as is common for industries with large barriers to entry. Other features of the policies addressed include common carrier laws which controls access to networks. While the telephone providers are required to be common carriers, there is an ongoing net neutrality debate about the obligations of ISP's.