In AEM you can specify multiple target urls to a single agent (using a comma separate list in the url field). The agent will replicate to the first url and if that becomes unavailable it will use the next url.
Watch video Multiple Target Urls online without registration, duration hours minute second in high quality. This video was added by user AEM FAQ 28 July 2014, don't forget to share it with your friends and acquaintances, it has been viewed on our site 55 once and liked it people.