As the Department of Justice gets further along with its investigation into how IBM maintains its dominance of the mainframe market, Lacy Edwards is certainly someone it will want to talk to.

Mr Edwards is the boss of Neon Enterprise Software, a small Texas company that is trying to make a living around the edges of the mainframe business.

Big Blue, however, is having none of it. It has written to some of Neon’s customers warning them that if they buy the company’s software, they could be in breach of their licences from IBM – even though it confesses it has yet to get a close look at Neon’s technology.

Does that sound like a case of FUD, designed to scare customers away from a rival’s product? That’s certainly the way Mr Edwards sees it. Read more