In a post entitled Bill Gates previews Vista of new television landscape, informitv reports on remarks of BBC's director of new media and technology, Ashley Highfield: "... The distribution costs are also falling. He said the cost of delivering a television channel over the air is around £7 million a year using digital terrestrial television, and around £700,000 over satellite. Using approaches such as multicast and peer-to-peer delivery over the internet, the cost can fall to around £70,000. ...¶... The solution has been to adopt a dual track approach: using multicast to improve the quality and reduce the cost of distributing live streams and using peer-to-peer delivery for downloads. ..." Link: informitv.