Angus Robertson - Magenta Systems Ltd wrote:
> I know UDP is unreliable and packets may be lost, but are they
> checksum'd again corruption? And if the checksum fails, is the packet
> then lost?
I guess it is lost, since I guess that checksum checks are done on the
IP layer.
>
> The real question is whether my UDP protocol needs to add it's own
> checksum.
As far as I understand, no, the datagram would be ignored by winsock,
however I'm a newbee in UDP, so don't trust my statement.
>
> Also, how reliable is having multiple applications listening for the
> same UDP packets on the same address and port on the same PC?
> Yesterday, one application was logging packets, a second was ignoring
> them, but did start working again, somehow.
Good question, but I guess it would make some proplems.
---
Arno Garrels [TeamICS]
http://www.overbyte.be/eng/overbyte/teamics.html
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