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Samraksh / eMote

eMote OS -- Multiple Ports (using .NET MF v4.3)
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CSMA drops packets #135

Closed ChrisAtSamraksh closed 10 years ago

ChrisAtSamraksh commented 10 years ago

Occassionally when running a simple Ping/Pong test packets are lost.

Usually this happens on both sides at the same time and it happens to two or three within a span of ten packets then doesn't happen again for hundreds of packets.

I don't see the packet come in at the ReceiveHandler(), nor do I see the other side attempt to resend or generate any errors at the SendAckHandler().

ChrisAtSamraksh commented 10 years ago

While some things were fixed and improved, packet delivery is not guaranteed by CSMA so this is not actually a problem.

AnishAtSamraksh commented 10 years ago

Does a controlled test where collisions are not possible still show drops?

With best wishes, Anish

On Jun 3, 2014, at 9:50 AM, "Christopher Morse" notifications@github.com<mailto:notifications@github.com> wrote:

While some things were fixed and improved, packet delivery is not guaranteed by CSMA so this is not actually a problem.

Reply to this email directly or view it on GitHubhttps://github.com/Samraksh/MF/issues/135#issuecomment-44966490.

ChrisAtSamraksh commented 10 years ago

Much more rare but they still happen. It could be noise or the beacon message.