Re: Some questions about COM

From: Kurt Krueckeberg (kurtk_at_pobox.com)
Date: 12/14/04 

Date: Tue, 14 Dec 2004 14:31:44 -0600

> When you use the COM technology are you dependent that the operating
> system must support the COM technology?

  No, COM is a Component Object Model specification. It uses a interface
specification language called Microsoft IDL (MIDL) to describe component
interfaces. MIDL is an extension to the DCE's IDL, which predated MIDL.

  There is also a thin COM runtime library that is used to do things like
create components, delete them, allocate memory in a consistent manner, etc.

>
> When you use the COM(DCOM) technology is it possibly to use different
> plattforms.
> For example is it possibly to have the client on windows and the COM(DCOM)
> servern on another plattform then windows.
>
> I reading in a book and here it says "COM is an "industry-standard"
> software
> architecture supported by Microsoft, Digital Equipment Corporation, and
> many
> other companies.
>
> So for me it seems that the COM technology is not only bound to the
> Microsoft.
>
> So does COM(DCOM) support heterogeneous plattforms?

  As long as someone has implemented the COM specification/requirements. I
don't know if anyone has.

>
>
> //Tony

Microsoft has moved away from COM with the advent of .NET. A .NET
implementation for Linux is planned called Mono. See
http://www.mono-project.com/about/index.html.

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