Re: [Bluez-devel] Questions about BlueZ in commercial use

["KeiHachi" <keihachi@swissinfo.org>]

Thanks for your reply, nicholas.

> On  0, KeiHachi <keihachi@swissinfo.org> wrote:
> > I have some questions about BlueZ.
> > 
> > Our company is investigating now about BlueZ,
> > to determine whether it is useful to use in our commercial product, or not.
> 
> If this is the first GPL software you are using, please read and 
> understand the implications of this license. This is no offense, but i
> think some DVD and Router manufacturer didn't do this before integrating
> linux code in their products.

Thanks.
I know the topic of GPL in Linux world of course,
so we have already studied about the license issues,
and will continue to study more & more about it from now.


> > Q1. development schedule in the future
> > I saw  "http://www.bluez.org/todo.html"
> > But there is no information I want to know.
> > Please tell me the following things.
> > 
> > - eSCO (enhanced SCO) in Bluetooth 1.2
> > Do you have any plan to develop these?
> 
> I am not Marcel and not writing any kernel code, but i listened his talk
> at Linuxtag Karlsruhe. I think the problem is the lack of the end-user
> products already supporting this. But it is on his plan:
> 
> http://www.holtmann.org/papers/bluetooth/lt2004_slides.pdf

Thanks.
I think he will need to spend a little extra time (maybe a few months) for supporting eSCO. 


> > - Audio/Video related profiles
> > Do you have any plan to develop these(A2DP, AVRCP)?
> 
> He posted some time ago a request, that if people supply him such
> hardware he would implent those support.

Do you mean that offering a headphone with Bluetooth audio functionality to him
is necessary to develop A2DP?

And, if you remember about that thread,
please tell me the thread information (posted time or title or keywords, etc).


> > Q2. maintenance/support
> > I found some examples about the support of open-source that
> > companies which want to use such a open-source software,
> > pay some maintenance fee to the community or some companies which
> > provide the service to maintain it, so that
> > the community or such companies ensure the quality of their software is a certain level.
> > For example, MySQL, JBoss, etc.
> > These open-sources are maintained to ensure the quality,
> > by some kind of organizations which get the maintenance fee.
> > 
> > Does BlueZ allow such a business model?
> 
> I don't understand, are you looking for a company that provides such
> support or you want to start a business providing such support?
> I don't know of the first, but contacting the developer directly, one
> may provide such support. The second is of course possible.

I supposed the first one you mentioned. The latter one is out of my supposition.

If you have a few guesses about such a company that provides the support of using BlueZ,
please tell me the name of such a company.

Or, please forgive me for asking this rude question, but,
could the developers of BlueZ community provide the support to ensure the quality,
as counter value for some maintenance fee?

> > Q3. version control
> > Many open-sources are composed of two versions,
> > one is a "testing version", and another is a "stable version". 
> > But I think BlueZ has only a "testing version".
> > 
> > Why doesn't BlueZ have a "stable version"?
> > Do you have any plan to have a "stable version" of BlueZ?
> 
> It is so stable, you don't need one, ;) Just kidding. Why do you think,
> there is no stable version? I think the releases are considered stable
> and the CVS stuff and the utils2/libs2 are the testing branch.

For example, Affix provides us these two versions software,
the testing version and the stable version.
http://affix.sourceforge.net/#download

I suppose such version control or management like Affix.

If a new profile is testing or has been released immediately after the development,
probably some bugs are still included.
So we think if BlueZ is used for the commercial use, the stable version is necessary,
because a commercial product is required to be a high quality.

If I misundersood, I am sorry.
The utils2/libs2 are the testing version, the others are the stable version, you mean?
If so, is the modification of the kernel part still stable?


Thanks.
Keihachi




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