While the "webscale" method with nginx you detailed is nice [1], why not use Varnish or nginx's built in proxy_cache features [2]? [1] https://gist.github.com/

While the "webscale" method with nginx you detailed is nice [1], why not use Varnish or nginx's built in proxy_cache features [2]? [1] https://gist.github.com/3711251 https://gist.github.com/3711251 [2] http://wiki.nginx.org/HttpProxyModule#proxy_cache http://wiki.nginx.org/HttpProxyModule#proxy_cache