Max UDP packet size + Java: weirdness
Nerius Landys
nlandys at gmail.com
Tue Feb 9 20:59:38 UTC 2010
> You've encountered:
>
> % sysctl net.inet.udp.maxdgram
> net.inet.udp.maxdgram: 9216
>
> However, increasing it will guarantee that you will exceed even normal jumbo frame size and thus depend upon IP fragmentation / reassembly for the traffic. I don't consider that to be a good idea, but it might be OK for local traffic....
Wow thanks. So it normally fits in 1 IP packet? (What about the MTU
being like 1500 or something?) What's wrong with fragmentation? Any
links to explain this? This isn't local traffic by the way, I will be
sending stuff between a data center in San Diego and a data center in
Chicago.
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