On Jul 9, 2013, at 17:02, RJ Atkinson <rja.li...@gmail.com> wrote: > The IPv6 concept of adding a special link-specific > fragmentation/reassembly protocol layer has never been > practical.
For 6LoWPAN, we did (we had to). And it works well enough. But for one problem: adaptation layer fragmentation is *transparent*, so there is no way for an application to do the equivalent of PMTUD to avoid/minimize adaptation layer fragmentation. A feeble attempt at addressing this: http://tools.ietf.org/html/draft-bormann-intarea-alfi-03 Grüße, Carsten -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
