Switching backends based on a cookie

[Marcus Clyne]

Laurence Rowe wrote:
> I would take a look at HAProxy which has better support for this use
> case, allowing for requests to be retried against another server if
> their associated backend is down.
>   
I would agree that if you're just wanting to do proxying, then HAProxy 
is probably a better way to go, however the above is also possible in 
Nginx using upstreams.

Marcus.