See the 'upstream_EBLB_with_IWCP.txt' document and the pdf documentation, the primary control (ie. signaling) should be (initiated) triggered by your edge controllers or router.
Posted at Nginx Forum: https://forum.nginx.org/read.php?2,275671,275688#msg-275688 _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx