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Brian,
It is certainly possible for DLL authors to implement security for
their apps completely independently from the platform (AB). However,
doing so is pretty much a whole 2nd hat to wear compared to just
writing the DLL and having it work with some decent security scheme
that might already exist in the platform.
If (and I say if, because I think only TJ could know how possible this
might really be for his platform) it were possible for AB to offer
security services for plug-ins in a standardized way that imposed an
absolute minimum of extra hassle on potential commercial DLL plug-in
authors, I think many more of them would be likely to release DLL
plug-ins to the public (presumably for some very reasonable cost,
market determined).
IOW, the skill-set of being a trading-related DLL author, and the
skill set of being a DLL distribution security expert are not the
same. I think there are relatively many who possess the former, fewer
of which have the motivation to acquire the latter.
A single-point solution in the platform itself (again, if possible)
seems to me like it would maximize the likelihood of that first group
making their work available.
Aside, re: copyright - laws vary by country as to what is
copyrightable and for how long. In general, an "idea" is not
copyrightable, but a "specific expression" of that idea is.
Copyright refers to the literal act of making a copy (of music, video,
code, etc), not to creating a new expression of a general idea.
So, if you open your editor and type in fresh computer code to
implement some natural language description of a mathematical,
trading, or statistical idea, you have not violated copyright. Though
there are some who have attempted to claim otherwise in particular
cases, their record of legal success almost non-existent.
Hence, Chaikin, Wilder, Bollinger etc. are paid in fame, honors, and
client patronage - and not in royalties!
--- In amibroker@xxxxxxxxxxxxxxx, "brian_z111" <brian_z111@xxx> wrote:
> Progster,
>
> How does that work?
>
> Why do commercial programmers need that - what advantage does it
> offer them?
>
> Anyone?
>
> Copyright is an interesting subject ... I have wondered about it with
> regard to trading e.g. did John Bollinger copyright 'his' bands,
> which are nothing but a trading application of well known math
> principles (StDev and Moving Average) ... does AB pay Chaikin,
> Wilder, Bollinger etc for using 'their' indicators?
>
> There are a lot of other grey areas too.
>
>
> brian_z
>
>
>
>
>
>
> -- In amibroker@xxxxxxxxxxxxxxx, "progster01" <progster@> wrote:
> >
> > The discussion so far on "Why so few?" DLLs seems pretty much
> > on-target to me.
> >
> > I would add:
> >
> > Ability to program a non-trivial DLL is a marketable skill that
> takes
> > a long time to develop.
> >
> > There are certainly a number of fine examples of free contribution
> to
> > the AB community in the DLL area (e.g. RMath, for one).
> >
> > One can only feel gratitude and appreciation for such "above and
> > beyond" contributions.
> >
> > However, capable DLL authors have the same 24/7/365 limitations as
> > everyone else, and must confront a simple choice about how/where to
> > spend their time and effort: getting paid, or not getting paid.
> >
> > Since DLL writing is (almost) platform agnostic, DLL writers in the
> > trading area will have a tendency to code for platforms that provide
> > built-in support for locking a DLL to a customer or software ID.
> >
> > I would predict that such "commercializing" integration features
> would
> > result in a distinct increase in the number of commercial DLLs
> > available for AB.
> >
>
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