[Bluez-users] slave - slave talk in a piconet

[Bluez-users] slave - slave talk in a piconet

[bsd user]

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Hi, I have a question:
If there is a piconet that has 2 slave B,C, the master is A. Does B know the
existence of C? can B talk to C directly without A(master)'s intervention?

Thanks a lot.

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Re: [Bluez-users] slave - slave talk in a piconet

[Brad Midgley]

hey

> If there is a piconet that has 2 slave B,C, the master is A. Does B know the
> existence of C? can B talk to C directly without A(master)'s intervention?

if they did talk to each other directly, one would have to be master
and you'd have a scatternet.

-- 
Brad

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Re: [Bluez-users] slave - slave talk in a piconet

[guoyun]

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Hi, Brad
 
> hey
> 
> > If there is a piconet that has 2 slave B,C, the master is A. Does B 
> > know the existence of C? can B talk to C directly without 
> A(master)'s intervention?
> 
> if they did talk to each other directly, one would have to be 
> master and you'd have a scatternet.

one bluetooth could be in two or more piconet, but it just can play as slave _not_ master for the bluetooth clock.

Please refer to Core SPEC. chapter 4.1. Piconet topology.

BRs
Yun


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Re: [Bluez-users] slave - slave talk in a piconet

[bsd user]

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So, B or C has no knowledge about each other when they are slaves of master
A, right? Then, can I say if B want to talk with C, they need higher level
protocol support, such as telnet, ftp. And, all data exchange will be
forwarded by Master A. right?

Thanks!

On Jan 3, 2008 9:07 AM, guoyun <guoyun@techfaith.cn> wrote:

> Hi, Brad
>
> > hey
> >
> > > If there is a piconet that has 2 slave B,C, the master is A. Does B
> > > know the existence of C? can B talk to C directly without
> > A(master)'s intervention?
> >
> > if they did talk to each other directly, one would have to be
> > master and you'd have a scatternet.
>
> one bluetooth could be in two or more piconet, but it just can play as
> slave _not_ master for the bluetooth clock.
>
> Please refer to Core SPEC. chapter 4.1. Piconet topology.
>
> BRs
> Yun
>
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
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> _______________________________________________
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> Bluez-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bluez-users
>
>

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Re: [Bluez-users] slave - slave talk in a piconet

[Laurent BARBIER]

When you wan't to make B talk to C all need to be forward from and to A. =

Something like brctl do the job quite sufficiently.
Have a look there : http://bluez.sourceforge.net/contrib/HOWTO-PAN
section "Ethernet Bridging"

Laurent

bsd user a =E9crit :
> So, B or C has no knowledge about each other when they are slaves of =

> master A, right? Then, can I say if B want to talk with C, they need =

> higher level protocol support, such as telnet, ftp. And, all data =

> exchange will be forwarded by Master A. right?
>
> Thanks!
>
> On Jan 3, 2008 9:07 AM, guoyun <guoyun@techfaith.cn =

> <mailto:guoyun@techfaith.cn>> wrote:
>
>     Hi, Brad
>
>     > hey
>     >
>     > > If there is a piconet that has 2 slave B,C, the master is A.
>     Does B
>     > > know the existence of C? can B talk to C directly without
>     > A(master)'s intervention?
>     >
>     > if they did talk to each other directly, one would have to be
>     > master and you'd have a scatternet.
>
>     one bluetooth could be in two or more piconet, but it just can
>     play as slave _not_ master for the bluetooth clock.
>
>     Please refer to Core SPEC. chapter 4.1. Piconet topology.
>
>     BRs
>     Yun
>
>
>     ---------------------------------------------------------------------=
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>
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Re: [Bluez-users] slave - slave talk in a piconet

[bsd user]

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Thanks for your explanation, I know there are many profiles in bluetooth,
but, is PAN the only profile that provide ad-hoc connection in a piconet?

Thanks.

On Jan 3, 2008 10:53 PM, Laurent BARBIER <lbarbier@kameleon-media.com>
wrote:

> When you wan't to make B talk to C all need to be forward from and to A.
> Something like brctl do the job quite sufficiently.
> Have a look there : http://bluez.sourceforge.net/contrib/HOWTO-PAN
> section "Ethernet Bridging"
>
> Laurent
>
> bsd user a écrit :
> > So, B or C has no knowledge about each other when they are slaves of
> > master A, right? Then, can I say if B want to talk with C, they need
> > higher level protocol support, such as telnet, ftp. And, all data
> > exchange will be forwarded by Master A. right?
> >
> > Thanks!
> >
> > On Jan 3, 2008 9:07 AM, guoyun <guoyun@techfaith.cn
> > <mailto:guoyun@techfaith.cn>> wrote:
> >
> >     Hi, Brad
> >
> >     > hey
> >     >
> >     > > If there is a piconet that has 2 slave B,C, the master is A.
> >     Does B
> >     > > know the existence of C? can B talk to C directly without
> >     > A(master)'s intervention?
> >     >
> >     > if they did talk to each other directly, one would have to be
> >     > master and you'd have a scatternet.
> >
> >     one bluetooth could be in two or more piconet, but it just can
> >     play as slave _not_ master for the bluetooth clock.
> >
> >     Please refer to Core SPEC. chapter 4.1. Piconet topology.
> >
> >     BRs
> >     Yun
> >
> >
> >
> -------------------------------------------------------------------------
> >     This SF.net email is sponsored by: Microsoft
> >     Defy all challenges. Microsoft(R) Visual Studio 2005.
> >     http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> >     _______________________________________________
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> >     Bluez-users@lists.sourceforge.net
> >     <mailto:Bluez-users@lists.sourceforge.net>
> >     https://lists.sourceforge.net/lists/listinfo/bluez-users
> >     <https://lists.sourceforge.net/lists/listinfo/bluez-users>
> >
> >
> > ------------------------------------------------------------------------
> >
> >
> -------------------------------------------------------------------------
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> >
>
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Re: [Bluez-users] slave - slave talk in a piconet

[bsd user]

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I learned PAN Profile 1.0 from SIG. I am interested in the PANU service.
According to the profile, device has PANU service can establish a connection
with another device's PANU service DIRECTLY, no need message forwarding by
NAP or GN node! but this feature hasn't been mentioned in "HOWTO-PAN"...

I want to setup a real p2p ad-hoc network with 4 bluetooth enabled computers
without message forwarding from 3rd node when message need to be exchanged
between any two nodes, see below picture::

             +------+     +------+
             | PANU1|<--->| PANU2|
             +------+     +------+
               /|\    \ /    /|\
                |      X      |
               \|/    / \    \|/
              +------+    +------+
              | PANU3|<-->| PANU4|
              +------+    +------+

in above scenario,
    PANU1 is master of PANU2, PANUS3 and PANU4
    PANU2 is master of PANU4,
    PANU4 is master of PANU3,
    PANU3 is master of PANU2,

So, PANU3 need to work in 2 piconet. Is this scenario valid?

Thanks a lot!



On Jan 3, 2008 10:53 PM, Laurent BARBIER <lbarbier@kameleon-media.com>
wrote:

> When you wan't to make B talk to C all need to be forward from and to A.
> Something like brctl do the job quite sufficiently.
> Have a look there : http://bluez.sourceforge.net/contrib/HOWTO-PAN
> section "Ethernet Bridging"
>
> Laurent
>
> bsd user a écrit :
> > So, B or C has no knowledge about each other when they are slaves of
> > master A, right? Then, can I say if B want to talk with C, they need
> > higher level protocol support, such as telnet, ftp. And, all data
> > exchange will be forwarded by Master A. right?
> >
> > Thanks!
> >
> > On Jan 3, 2008 9:07 AM, guoyun <guoyun@techfaith.cn
> > <mailto:guoyun@techfaith.cn>> wrote:
> >
> >     Hi, Brad
> >
> >     > hey
> >     >
> >     > > If there is a piconet that has 2 slave B,C, the master is A.
> >     Does B
> >     > > know the existence of C? can B talk to C directly without
> >     > A(master)'s intervention?
> >     >
> >     > if they did talk to each other directly, one would have to be
> >     > master and you'd have a scatternet.
> >
> >     one bluetooth could be in two or more piconet, but it just can
> >     play as slave _not_ master for the bluetooth clock.
> >
> >     Please refer to Core SPEC. chapter 4.1. Piconet topology.
> >
> >     BRs
> >     Yun
> >
> >
> >
> -------------------------------------------------------------------------
> >     This SF.net email is sponsored by: Microsoft
> >     Defy all challenges. Microsoft(R) Visual Studio 2005.
> >     http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> >     _______________________________________________
> >     Bluez-users mailing list
> >     Bluez-users@lists.sourceforge.net
> >     <mailto:Bluez-users@lists.sourceforge.net>
> >     https://lists.sourceforge.net/lists/listinfo/bluez-users
> >     <https://lists.sourceforge.net/lists/listinfo/bluez-users>
> >
> >
> > ------------------------------------------------------------------------
> >
> >
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> >
>
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[Bluez-devel] Fwd: [Bluez-users] slave - slave talk in a piconet

[bsd user]

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Somehow, I did not get any response for below question, can anybody in here
give me some feedback?

Thanks very much!

---------- Forwarded message ----------
From: bsd user <oldmoonster@gmail.com>
Date: Jan 13, 2008 12:31 AM
Subject: Re: [Bluez-users] slave - slave talk in a piconet
To: BlueZ users <bluez-users@lists.sourceforge.net>


I learned PAN Profile 1.0 from SIG. I am interested in the PANU service.
According to the profile, device has PANU service can establish a connection
with another device's PANU service DIRECTLY, no need message forwarding by
NAP or GN node! but this feature hasn't been mentioned in "HOWTO-PAN"...

I want to setup a real p2p ad-hoc network with 4 bluetooth enabled computers
without message forwarding from 3rd node when message need to be exchanged
between any two nodes, see below picture::

             +------+     +------+
             | PANU1|<--->| PANU2|
             +------+     +------+
               /|\    \ /    /|\
                |      X      |
               \|/    / \    \|/
              +------+    +------+
              | PANU3|<-->| PANU4|
              +------+    +------+

in above scenario,
    PANU1 is master of PANU2, PANUS3 and PANU4
    PANU2 is master of PANU4,
    PANU4 is master of PANU3,
    PANU3 is master of PANU2,

So, PANU3 need to work in 2 piconet. Is this scenario valid?

Thanks a lot!



On Jan 3, 2008 10:53 PM, Laurent BARBIER < lbarbier@kameleon-media.com>
wrote:

> When you wan't to make B talk to C all need to be forward from and to A.
> Something like brctl do the job quite sufficiently.
> Have a look there : http://bluez.sourceforge.net/contrib/HOWTO-PAN
> section "Ethernet Bridging"
>
> Laurent
>
> bsd user a écrit :
> > So, B or C has no knowledge about each other when they are slaves of
> > master A, right? Then, can I say if B want to talk with C, they need
> > higher level protocol support, such as telnet, ftp. And, all data
> > exchange will be forwarded by Master A. right?
> >
> > Thanks!
> >
> > On Jan 3, 2008 9:07 AM, guoyun <guoyun@techfaith.cn
> > <mailto:guoyun@techfaith.cn>> wrote:
> >
> >     Hi, Brad
> >
> >     > hey
> >     >
> >     > > If there is a piconet that has 2 slave B,C, the master is A.
> >     Does B
> >     > > know the existence of C? can B talk to C directly without
> >     > A(master)'s intervention?
> >     >
> >     > if they did talk to each other directly, one would have to be
> >     > master and you'd have a scatternet.
> >
> >     one bluetooth could be in two or more piconet, but it just can
> >     play as slave _not_ master for the bluetooth clock.
> >
> >     Please refer to Core SPEC. chapter 4.1. Piconet topology.
> >
> >     BRs
> >     Yun
> >
> >
> >
> -------------------------------------------------------------------------
> >     This SF.net email is sponsored by: Microsoft
> >     Defy all challenges. Microsoft(R) Visual Studio 2005.
> >     http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> >     _______________________________________________
> >     Bluez-users mailing list
> >     Bluez-users@lists.sourceforge.net
> >     <mailto: Bluez-users@lists.sourceforge.net>
> >     https://lists.sourceforge.net/lists/listinfo/bluez-users
> >     <https://lists.sourceforge.net/lists/listinfo/bluez-users>
> >
> >
> > ------------------------------------------------------------------------
>
> >
> >
> -------------------------------------------------------------------------
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> >
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> >
>
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