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Remove clause "0 is a valid payload length for UDP". |
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===Standard payload length===
The [[#Fixed header|payload length field of IPv6]] (and [[IPv4#Header|IPv4]]) has a size of 16 bits, capable of specifying a maximum length of [[65535 (number)|{{Val|65535}}]] octets for the payload. In practice, hosts determine the maximum usable payload length using [[Path MTU Discovery]] (yielding the minimum [[maximum transmission unit|MTU]] along the path from sender to receiver), to avoid having to fragment packets.
Most [[Link Layer]] protocols have MTUs considerably smaller than {{Val|65535}} octets
===Jumbogram===
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