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[mrbrklyn]

Why Mono is Currently An Unacceptable Risk (Score:5, Insightful)
by Anonymous Coward on Saturday October 08 2005, @05:19AM (#13745664)
Argument In Brief

1. Microsoft's C#/CLI licensing people, at high levels, are aware of us.
2. Microsoft can choose to do damaging things in the current C#/CLI licensing ambiguity.
3. Microsoft considers the free software / Linux community to be a major competitive threat
4. Microsoft does not "compete" gently
5. A + B + C + D = ?

The word pile amassed below defends points (1) and, in particular, (2). I take points (3) and (4) as given. I leave point (5) an exercise for the reader. ;-)

Stupid Disclaimer

Since I'm not a lawyer, I don't know if these disclaimers are important. But given the nature of the topic, I'll play it safe and write one. I'm not a lawyer, and this ain't legal advice, its just a dump my current thinking on an issue. It does not represent my employer's opinion. It may represent my cat's opinion, but only on the second tuesday of summer months.
Restatement of the Issue

Miguel has repeatedly stated that the patents necessary to implement the standards ECMA-334 (C#) and ECMA-335 (CLI) are available from Microsoft "RAND + Royalty Free". This seems like an effective open patent grant and encouraged me initially that we could do Mono. I really like Mono. Its terrific technically, and I'd love to be able to use it. But two problems upon further consideration the past couple months:

1. I've not seen an official statement by Microsoft that will let me trust the royalty free assertion. I think we are remiss if we do not assume Microsoft is looking for ways to, quite frankly, screw us. So unless there is a statement from Microsoft that they will have to stick to in a court, I feel (at the very least) uncomfortable.
2. "RAND + royalty free", can still seriously screw Free Software. I think this is more important than the first point. Even with RAND + royalty free you still have to execute a license agreement with Microsoft, and license agreements can stipulate things that are RAND from a corporation perspective but still screw over Free Software. Also, there is evidence that key Microsoft people are already aware of (or planned?) incompatibilities between the licensing scheme for C#/CLI and, at least, the GPL. The eye of Sauron is upon us. RAND + royalty free is very different from a patent grant.

In short, we are in an adversarial situation. Microsoft does not want us to succeed. Thus we cannot trust Microsoft, even if we'd like to, and must consider Mono based upon the question "What is the worst thing MS can reasonably do?". We can only trust Mono if we are convinced Microsoft doesn't have weasel room. The current situation appears, to me, to have lots of weasel room. The technical merits of Mono are basically irrelevant if its a trojan horse in the long term.
The Horror Story

So here's the obligatory horror story based upon what I see as our current course. Actually, I don't think this is taken to extremes at all. The GNOME actions look to me like the path we are currently on, and the Microsoft actions are not out of character, and look legally tenable based on what I know today. Microsoft can choose to not exercise these actions, but they will have the possibility (and will be more likely to the more successful the Linux desktop is).

* Act 1 - Novell hackers continue to push Mono. Novell hackers code most new independent programs/functionality in Mono and gradually start writing extensions to software like Evolution in Mono. Evolution's core continues to remain Mono free, but if you want features X, Y, and Z you have to use Mono. A few GNOME hackers write apps in Mono, some as toys, and perhaps a couple more serious. Red Hat hackers complain. Some try to weakly push Java and some stick with working in C & Python. Sun makes noise, and does their own thing, starts some wacky projects, tries to push Java with OpenOffice.org, and
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