Re: dns and software, was Re: Reliable Cloud host ?

[William Herrin <bill () herrin us>]

On Thu, Mar 1, 2012 at 7:20 AM, Owen DeLong <owen () delong com> wrote:
> The simpler approach and perfectly viable without mucking
> up what is already implemented and working:
>
> Don't keep returns from GAI/GNI around longer than it takes
> to cycle through your connect() loop immediately after the GAI/GNI call.

The even simpler approach: create an AF_NAME with a sockaddr struct
that contains a hostname instead of an IPvX address. Then let
connect() figure out the details of caching, TTLs, protocol and
address selection, etc.  Such a connect() could even support a revised
TCP stack which is able to retry with the other addresses at the first
subsecond timeout rather than camping on each address in sequence for
the typical system default of two minutes.

Regards,
Bill Herrin


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William D. Herrin ................ herrin () dirtside com  bill () herrin us
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