On 30 Dec 1999, Marvin Simkin wrote:
[...]
> Also big sites sometimes have several servers responding to one hostname, and
> maybe one server doesn't have a complete content set. If your clients cache IP
> addresses (or query different DNS servers) one client could consistently be
> connecting to the good server while another doesn't. This seems unlikely, but
> conceivable. Maybe you could test this by using a raw IP address instead of
> hostname.
Very often the "real" servers will be well hidden behind some loadbalancer
in a scheme like that. It seems pretty ... uhmn.. unclever to put simple
content that is meant to be cached on a "Oracle_Web_listener" server and
not something efficient.
now it works for me too btw:
[ask@impatience ask]$ lwp-request -d -S
http://ads.bfast.com/clients/etoys/dot_clear.gif
GET http://ads.bfast.com/clients/etoys/dot_clear.gif --> 200 OK
I guess some ad networks are just more reliable than others. ;-)
- ask
--
ask bjoern hansen - <http://www.netcetera.dk/~ask/>
more than 60M impressions per day, <http://valueclick.com>
