Mr Chou has hired Horace Luke, until 2006 a rising star at Microsoft and the creative director of Windows Mobile, the hand-held version of the firm's flagship operating system.

The other star performer among the big airlines has been US Airways, which reported an operating margin of 4.4% over the first nine months of this year, giving it the confidence to go for Delta.

The net structure is standard ether-net with star link as inner connecting to make the structure of whole net stable and convenient to expand, functions divided clearly and operating simply.