global server load balancing / limit number of response records

[Brad Knowles]

At 9:44 PM +0200 2005-10-20, Timo Proescholdt wrote:

>  I wonder wether the following is possible to configure in bind9.

	No, not really.

>  Is it possible to limit the number of A / AAAA records returned to a query
>  for an address that has multiple A / AAAA records configured.

	No.

>  Standart behavior is that the records are shuffled
>  (according to ordering the scheme ), and returned altogether .

	Correct.

>  What I want now is that the shuffling takes place, but all but the very first
>  record are 'cut off' so that the aperance of an address with just 
>one A record
>  is created. (which changes according to the shuffling scheme).

	You're free to try modifying the source code.

>  AFAIK this is sometimes referred to as 'global server load balancing'.
>
>  I am very aware of the consequences (caching, uncontrollable client library
>  behavior etc). I can afford these brawbacks since the environment is pretty
>  local with no other servers inbetween.

	On the subject of GSLB, see 
<http://www.tenereillo.com/GSLBPageOfShame.htm>.

	GSLB doesn't work.  At least, not the way you or most anyone else wants.

-- 
Brad Knowles, <brad at stop.mail-abuse.org>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

     -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
     Assembly to the Governor, November 11, 1755

   SAGE member since 1995.  See <http://www.sage.org/> for more info.