U.S. television programming is moving toward on-demand status, judging from a federal appeals court ruling Monday in favor of Cablevision’s proposed network-centric digital video recorder. Concluding a two-year legal battle, U.S. Circuit Court Judge John M. Walker Jr. found that Cablevision’s plans to store recorded programs on a central server instead of a set-top box’s hard drive do not violate copyright protections for media companies.