Hello! On Tue, Dec 16, 2014 at 02:21:59PM +0000, Dani Bento wrote:
> Hello, > > We are using nginx-1.6 in a production environment for caching data > from multiple remote origins. > > To improve our data distribution over the network we thought that using > IP DiffServ/ToS to traffic shape by backend would be useful. > > We developed a small patch for the nginx core to mark packets. Because > the nginx workers don't seem to have CAP_NET_ADMIN privileges we are > using the TOS field instead of socket marks. This patch only marks > client packets and not upstream/backend packets. I had a module to set IP ToS for serveral years now, see here: http://mdounin.ru/hg/ngx_http_ip_tos_filter_module/ It doesn't seem to be used much though, and hence we don't import it (or an equivalent code) into nginx, at least yet. > Besides that, we added an X-Accel-ClassID header so that the > upstream/backend itself can choose the class id to use. This doesn't looks like a good solution for me. If you want allow backends to control ToS set, it may be a better idea to support variables in the directive in question. > Do you find this an interesting feature to add to the nginx core? How > can we proceed and submit a patch? See above. Just in case, some general guidelines on submitting patches can be found here: http://nginx.org/en/docs/contributing_changes.html -- Maxim Dounin http://nginx.org/ _______________________________________________ nginx-devel mailing list nginx-devel@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx-devel
