[Tinyos-help] about Broadcast component in tinyos2.x

jiwen zhang zhangjiwen029 at gmail.com
Wed Jul 2 07:27:28 PDT 2008


Hello :
   that is to say Dissemination is a substitutor of Broadcast in tinyos1.x ?


  i have spend some time researching the Dissemination , i have a question
:

  in my opinion , once the Disseminator disseminate a data , it will
increase the sequence number , for example , if the disseminator's nodeid is
0, after two times's disseminations , the the sequence number should be
0x00020000 , so the whole network maintains the same sequence number
(assuming there is only one disseminator), and at this time the disseminator
is rebooted for some reason , so the sequence number is reset to zero , so
when it disseminates new datas to the network , the other nodes maybe
discard the new data . how does the Dissemination resolve the problem ?

  thank you !!
2008/7/2 Omprakash Gnawali <gnawali at usc.edu>:

> On Wed, Jul 2, 2008 at 12:51 AM, jiwen zhang <zhangjiwen029 at gmail.com>
> wrote:
> >
> > Hello David :
> >
> >     I see there is Broadcast component in tinyos1.x in tos\lib\Broadcast,
> > is there the similar component in tinyos2.x ? i want to use it , but i
> don't
> > find . why is it taken out ?
> >
>
> You should look into Dissemination.
>
> - om_p
>



-- 
zhang jiwen
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