[Tinyos-help] Collection ack retransmission

Nahr ... nahrelk at gmail.com
Thu Jul 24 23:32:01 PDT 2008


2008/5/13 Nahr ... <nahrelk at gmail.com>:

> Thank you very much.
> yes yes colection concerns routing not link layer.
>
> Cheers,
> Nahr Elk
>
> 2008/5/13, Omprakash Gnawali <gnawali at usc.edu>:
>
>> On Mon, May 12, 2008 at 12:27 PM, Nahr ... <nahrelk at gmail.com> wrote:
>> > Hi,
>> > I just want to know how much a node retransmit a not acked msg and how
>> long?
>> > for exemple A sends msg to B
>> > B receive the msg and sends Ack
>> >  :(   ack is lost.
>> >
>> > 1. How long A wait the msg ack?
>>
>> Collection does not send an ack - it relies on link layer ack.
>>
>> > 2. How much A retransmit the not acked msg ?
>>
>> CTP will usually retransmit 5-7 times before it switches the parent.
>>
>> - om_p
>
>

I am sorry for asking the same question an  other time,
but you said to me that  CTP retransmit 5-7 times before it switches the
parent but when I look to the Forwarding engine I found that MAx-retries =
30 !!!

so how do you calculate the number of packet retransmission?

Cheers
Nahr Elk
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://www.millennium.berkeley.edu/pipermail/tinyos-help/attachments/20080725/020e3e75/attachment.htm 


More information about the Tinyos-help mailing list