Re: Lost UDP packets
Re: Lost UDP packets
- Subject: Re: Lost UDP packets
- From: Mark Hunt <email@hidden>
- Date: Sat, 25 Sep 2004 21:43:17 +0100
Hi again.
I'll try to reply to all the advice in one message - seems neater.
The problem exists in even the simplest network - 2 Macs joined by a
cat 5 cable, and my multi-receiver setup uses a single switch.
Also, there is no other traffic on the wire - this network was
implemented solely to transfer my data, and all nodes have fixed IP
addresses, so there's not even any DHCP traffic, and I have only 1
transmitter. tcpdump shows only my packets.
Since for any given lost packet, another receiver gets it, I think I
can rule out collisions.
I'm still waiting on a meaningful netstat from my beta-tester, but I'm
pretty sure the problem is in my receiving application. It's pretty
busy, so maybe my network thread (blocked in recvfrom) needs higher
priority?
I just wanted to check if there was a "gotcha" I might have missed -
Stevens is a pretty big place to search for info ;-)
Thanks to all for your help and advice - I probably will go multicast.
Mark
This message was checked by Mcafee Virusscan Enterprise
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