Re: ECN: Clearing the air (fwd)

[Andi Kleen]

On Sun, Jan 28, 2001 at 11:32:41PM -0800, David S. Miller wrote:
> 
> James Sutherland writes:
>  > Except you can detect and deal with these "PMTU black holes". Just as you
>  > should detect and deal with ECN black holes. Maybe an ideal Internet
>  > wouldn't have them, but this one does. If you can find an ideal Internet,
>  > go code for it: until then, stick with the real one. It's all we've got.
> 
> Guess what, Linux works not around PMTU black holes either for the
> same exact reason we will not work around ECN.

Actually PMTU black hole detection is very hard. I tried to implement it, but
failed to make it not do bad things occasionally. 

-Andi