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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Thoughts on increasing MTUs on the internet
* Steven M. Bellovin: > On Thu, 12 Apr 2007 16:12:43 +0200 > Florian Weimer <[email protected]> wrote: > >> * 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. > I'm neither attacking nor defending the idea; I'm merely reporting. I just wanted to point out that the main reason why this couldn't be done without breaking backwards compatibility is gone (shared physical medium with unknown and unforeseeable receiver capabilities). > I'll also note that the IETF is very unlikely to challenge IEEE on > this. It's certainly unwise to do so before PMTUD works without ICMP support. 8-)
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