Messages in this thread | | | Subject | Re: UDP bugs | Date | Sun, 13 Dec 1998 15:07:02 +0100 | From | Olaf Titz <> |
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> > Are you considering the size of IP and UDP headers? Those must be > > factored in. > I was under the impression that the payload capacity was 65535
An IP datagram including any headers can't be longer than 65535 bytes, because the 16 bit length field in the IP header counts the total length including headers [RFC791, 3.1].
This makes the maximum UDP payload size = 65535-20-8=65507.
> bytes. And if it were true that the headers steal capacity, then why > can Solaris 2.5.1 send a full 65535 byte packet?
Because of a Solaris bug? :-)
Olaf
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