Web typo-correction (Re: Sitefinder II, the sequel...)

["Edward B. DREGER" <eddy+public+spam () noc everquick net>]

(Note that I've not examined OpenDNS's offering, so I'm _not_ pretending
to comment on what they do.)

Let's quit looking at overly-simplistic correction mechanisms.  Do spell
checkers force autocorrection with only a single choice per misspelled
word?

Return an A RR that points <correction service>-controlled system.  Said
system examines HTTP "Host" header, then returns a page listing multiple
possibilities.

"The site you specified does not exist.  Here is a list of sites that
you may be trying to access: ..."

I'm generally ignoring other protocols to limit the discussion scope.
However, one can see how SMTP and FTP might be similarly handled.  (IMHO
not as good as a SRV-ish system that could return NXDOMAIN per service,
but actually somewhat usable today.)


Eddy
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