Re: Meta-issues: On the deprecation of the fragmentation function

[Brian E Carpenter <[e-mail]>]

On 10/07/2013 05:28, RJ Atkinson wrote:
...
>> 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.
> 
> Good point.

And you can't get round it. The decision to raise the minimum link
MTU from 576 to 1280 was not a change in principle; it was just
raising the level at which transparent adaptation layers were
presumed to be acceptable. The big change in principle was the
abolition of on-path fragmentation.

   Brian