> > > > Frans Bouma wrote:
> > > > Mono is nice, but ... I can't understand how people want to
> > > > develop on/for mono other than 'it's cool'.
> > > J. Merrill wrote:
> > >
> > > So that the work we do can be deployed on either Linux or Windows?
>
> > Frans Bouma wrote:
> > If that's a requirement, why not use Java? Seriously:
> > first look at the job, then pick the right tool which fits the job.
> > It's not as if Java lacks any tooling or functionality or anything.
>
> Perhaps because C#/CLI is the right tool. You are incorrectly
> assuming that Java is the "right tool" for systems that must
> be deployed on Windows and Linux (or even Oses other than Windows?).
> Quick example:
> A) App already develop in C# running on Windows. Need to
> extend to Linux.
> Would you recommend first rewriting in Java?
No, though this situation would IMHO be rare.
> B) New app to be developed for a primarily Windows customer
> base with a few hundred installations expected on Linux/BSD.
> Exisiting dev team are C#/C/C++/Windows guys. Would you
> recommend replacing/retraining just so Java could be used[*]?
> [*] Remember C/C++ is how Java (and C#/CLI) got to the few
> Oses it runs on.
No, I don't expect them to retrain to Java, though it's a solid choice
for _THIS_ situation IF you want to / need to support
a few hundred linux installs. The reason is simply that if you NEED a
functionality for your application which relies on something
in .NET that's not in mono (and please, don't come to me that that set of
features is very small) then you're in trouble.
> > Ok, if you have a cool .NET app, it's of course not an option
> > to use Java, but why then use Linux to run it on?
>
> Why not?
What kind of stupid answer is that? Every toddler can answer a 'why'
question with 'Why not?'. Please address the question.
Choosing the OS the app has to run on is KEY for your project. It's not
something you can swap out and replace with something else.
Not even with java in some situations. So the question if Linux is an option
isn't something simple. Picking Linux has serious
consequences for your application and the development of that application. So
if you think you can defend your choice for Linux to
your boss with "Why not?", I hope for you your project doesn't do anything
fancy.
> ------------------------------
> > Seref Arikan wrote:
> > Writing once
> > and running on multiple platforms is not the hardest thing, but
> > providing an enterprise infrastructure on those platform is
> the hard
> > part. Let's assume that we can compile an app on windows
> and run it on
> > linux with mono. That's fine, but it is not usefull for me
> unless the
> > application can use an application server. Scalability is a major
> > concern for me (we are in the hospital information systems
> arena), and
> > java gives me a lot of application servers to provide this. I have
> > always thought that the major problem with .NET is how it's
> enterprise
> > features are bound to native services (Com+).
> > Without such an infrastructure, how can you compete in the
> enterprise
> > app domain in a cross platform scenario?
>
> > Does mono have a way of providing .NET enterprise services?
>
> Yes. But not in the MS System.EnterpriseServices namespace.
> You can for instance use MainWin's Grasshopper product. Which
> actually runs your code in a J2EE server... ;-)
and this is capable of running a full distributed transaction?
> > Even if it tried
> > to do so, I am afraid may issues would arise, containing licence
> > problems with MS, lack of a formal definition of Enterprise
> services
> > (to my knowledge) which means any company or individual
> trying to do
> > this would not know the extend of work, and also would produce an
> > incompatible implementation with other potential implementors.
>
> Enterprise services are difficult..no very hard!..to
> implement but, Mono could certainly implement most of it
> excepting the COM+ bits (and were doing so). Uncertainties
> about MS's move to Indigo stalled the project not any
> technical or legal difficulties (there are no legal issues btw).
If it's stalled, how can it still be up to par?
FB
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