In Part 1 of this series, we used a floating virtual IP (VIP) to achieve hands-off high availability (HA) of WebLogic Admin Server. In Part 2, we’ll achieve an arguably superior solution using Domain Name System (DNS) resolution.
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Article Source
https://aws.amazon.com/blogs/architecture/automating-multi-az-high-availability-for-weblogic-administration-server-with-dns-part-2/