North American Network Operators Group

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Re: IP over SONET considered harmful?

  • From: Alan Hannan
  • Date: Fri Mar 20 13:12:27 1998

> >   I consider Windows 95 to be the least common denominator,
> >   which has a default IP TTL of 32.  Yes, 32.  So that implies
> >   that each NSP should decrement no less than 8 TTLs.
> 
> That's broken. 

  Well, perhaps, but my wording certainly is; of course I mean 'no
  more than 8 TTLs'.

> I quote from RFC 1340, dated July 1992:
> 
>    The current recommended default time to live (TTL) for the Internet
>    Protocol (IP) [45,105] is 64.
> 
> This does not change reality, of course, but it also does not
> make it less broken.

  Arguable; not following a recommendation is not broken.  It's just
  dumb.

  I'd like to see IETF make 64 a requirement or standard.  But of
  course that is painful.

  -a