[Mono-osx] Packet loss with sockets
gharen1234 at hotmail.com
Wed Aug 16 13:36:22 EDT 2006
I know the packets are not being resent by tcp, because they don't arrive,
ever. I'll enter a command in the client, and often the command is never
received by the server whilst the server is running on the mac. If tcp was
resending, there would simply be a delay, but it never arrives. Yet it
works fine if the server is run in windows xp or SuSE linux (both dual
booted on the same pc).
Anyways maybe it is a hardware issue. I'll try hooking up a usb network
card and see how that goes.
>From: Miguel de Icaza <miguel at ximian.com>
>To: Jason Bell <gharen1234 at hotmail.com>
>CC: mono-osx at lists.ximian.com
>Subject: Re: [Mono-osx] Packet loss with sockets
>Date: Mon, 14 Aug 2006 14:52:46 -0400
> > Under mac os x the same code results in packet loss. The greater the
> > distance between server and client, the greater the loss. I'm pretty
> > this is due to mono for two reasons:
>I doubt that this is a Mono issue.
> > 1) I've tried pinging various servers using native utilities, and no
> > loss is apparent.
>How do you know that packets are not being lost and just being resent by
> > 2) If it were a problem with the mac's network card, I wouldn't think
> > distance would be such a factor. But when on a local network, the
> > loss is minimal (though still occures), while over larger distances
> > as much as 90% packet loss.
> > My understanding is that tcp is supposed to be guarenteed to not have
> > loss, as any lost packets are detected and resent. So I would think
> > there was a problem with the network card the rate of transmission would
> > just be very slow. But packets are lost and not resent.
> > Has anyone else seen this? I'm not an expert with such things, so is it
> > possible that it actually is a hardware issue?
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>Miguel de Icaza <miguel at ximian.com>
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