# Super 

upstream xmpp {
  server 10.0.0.10:5280;
  server 10.0.0.11:5280;
  server 10.0.0.12:5280;
}

map $cookie_vroute $sticky {
  default   xmpp;
  v1        10.0.0.10:5280;
  v2        10.0.0.11:5280;
  v3        10.0.0.12:5280;
}

server {
  listen 80;
  server_name myxmpp.local;

  location /xmpp {
    proxy_set_header      Host $http_host;
    proxy_redirect        off;
    proxy_connect_timeout 5;
    proxy_buffering       off;
    proxy_pass            http://$sticky$uri;
    proxy_read_timeout    70;
    keepalive_timeout     70;
    send_timeout          70;
    error_page            502 = @xmpp_fallback;
  }

  location @xmpp_fallback {
    proxy_set_header      Host $http_host;
    proxy_next_upstream   error timeout http_500 http_502 http_503 http_504;
    proxy_redirect        off;
    proxy_connect_timeout 5;
    proxy_buffering       off;
    proxy_pass            http://xmpp;
  }
}