http://www.rfc-editor.org/rfc/rfc2675.txt
RFC 2675: IPv6 Jumbograms, D. Borman, S. Deering, R. Hinden1999-08-01T23:00:00-00:00This document describes the IPv6 Jumbo Payload option, which provides the means of specifying such large payload lengths. It also describes the changes needed to TCP and UDP to make use of jumbograms. [STANDARDS-TRACK]