NGINX is also a popular option as a load balancer. Free and open source. https://docs.nginx.com/nginx/admin-guide/web-server/reverse-proxy/
It can also proxy non-http protocols. I wonder if the silly "must be 3 tier" requirement could be satisfied by putting NGINX in in between 4D Client and 4D Server :). John DeSoi, Ph.D. > On Jan 28, 2020, at 4:50 PM, Dennis, Neil via 4D_Tech <4d_tech@lists.4d.com> > wrote: > >> 1. What options are available? >> 2. How it works with 4D? >> 3. Has anyone done this as an OEM and what issues/obstacles have you run >> into? >> 4. and so forth... > > ... As was said before a load balancer... it is a device that is put in front > of a pool of machines. It balances the load between applications: > > https://www.f5.com/services/resources/glossary/load-balancer > > 1 - There are many different types and prices for load balancers > 2 - They work with 4D by same as other web servers, they route requests > between servers... each 4D client would be a pool member. > 3 - Yes > 4 - Not really much more to say... load balancers can be configured in a > round robin type setup or keep persistence for a user so they follow the same > path. ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************