Sun lawyer faces grilling at Java appeal

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Sun lawyer faces grilling at Java appeal

Sun Microsystems lawyer Rusty Day faced dozens of questions from an appeals court judge during a hearing on whether the court should go ahead with a decision requiring Microsoft to carry a Sun-endorsed version of Java.

Microsoft lawyer David Tulchin received only a handful of questions from the judges, according to Microsoft and Sun officials present at the hearing.

Company officials at yesterday's hearing before the US Court of Appeals in Richmond, Virginia, said Judge Paul Niemeyer, one of the three judges hearing the case, peppered Day with questions about why Sun needs the Java "must-carry" order.

Niemeyer asked questions about how Microsoft's monopoly in the operating system market affected the applications development platform, where Java competes with Microsoft's .net, and about the economic theory of "tipping", in which a product's momentum quickly make it the overwhelming market leader.

Sun has argued that Microsoft has used its operating system monopoly to distribute versions of Java incompatible with Sun's and will use that advantage to distribute .net. The .net software family is a series of programs and development tools designed to allow users to build interoperable applications on the internet.

But Niemeyer, at one point in the hearing, said the economic theory "doesn't make much sense", according to a witness at the hearing.

One witness described Sun's portion of the hearing as more of a conversation between Niemeyer and Day than a presentation from the lawyer.

The hearing was part of Microsoft's appeal of US District Court Judge Frederick Motz's December ruling that the company must include the Sun version of Java in Windows XP and on download sites.

in February,  the appeals court delayed the Java "must-carry" preliminary injunction from Motz, who is presiding over a number of private antitrust lawsuits against Microsoft in his Baltimore courtroom. Motz had set the clock ticking on the Java order in a ruling on 21 January, when he gave Microsoft 120 days to comply.

Sun spokeswoman Lisa Poulson said the appeals court could make a decision within 60 days. "There was a lot of active questioning," she said of Thursday's hearing. "We look forward to seeing what the result is."

Sun has argued that Microsoft tried to derail a competitive threat posed by Java by offering a version of the technology that is incompatible with Sun's specifications. Its lawyers argued before Motz that Microsoft's behaviour, if allowed to continue, would drive developers to Microsoft's competing .net platform.

Microsoft has argued that other issues, such as Java's performance and quality, have hampered developer adoption of Java, not Microsoft's actions. Its lawyers have argued that the "must-carry" Java order is an extreme solution to any competitive disadvantage Java has, and that Motz's order is unprecedented in antitrust law.

Microsoft also has pointed to 2002 predictions from a number of industry analysts that say Java will continue to be the dominant developer platform.

Microsoft saw no imminent danger of the development platform market tipping away from Java before a full trial on Sun's complaints can be scheduled, said company spokesman Mark Murray. "

We felt we were able to make our points effectively," Murray said of the hearing. "We felt it was an excellent hearing about the key issues in the case."

in Februa\ry Microsoft took the first step to comply with Motz's order by replacing the service pack Windows XP SP1 with a new service pack,  XP SP1a, which is identical to the previous service pack but excludes Microsoft's Java virtual machine.


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