Discuss - UDP Length
Lars:
draft-ietf-syslog-transport-udp-09, Section 65535, paragraph 0:
This transport mapping supports transmission of syslog messages up to
65535 octets in size. This limit stems from the maximum supported
UDP payload of 65535 octets specified in the RFC 768 [1].
DISCUSS: The RFC768 length field includes the UDP header, so the
permitted payload size is 65535 minus the UDP header (and for IPv4,
minus the IP header, because IPv4 has a 16-bit length field that also
includes the header length.)
Proposed Resolution: Change the paragraph to
This transport mapping supports transmission of syslog messages up to
65535 octets minus the UDP header length. This limit stems from the
maximum supported UDP size of 65535 octets specified in the RFC 768
[1]. For IPv4, the maximum payload size is 65535 octets minus the UDP
header and minus the IP header because IPv4 has a 16-bit length field
that also includes the header length.
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