North American Network Operators Group
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Re: Thoughts on increasing MTUs on the internet

  • From: Florian Weimer
  • Date: Thu Apr 12 10:20:56 2007 
* Steven M. Bellovin:

> A few years ago, the IETF was considering various jumbogram options.
> As best I recall, that was the official response from the relevant
> IEEE folks: "no". They're concerned with backward compatibility.  

Gigabit ethernet has already broken backwards compatibility and is
essentially point-to-point, so the old compatibility concerns no
longer apply.  Jumbo frame opt-in could even be controlled with a
protocol above layer 2.