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Automating multi-AZ high availability for WebLogic administration server with DNS: Part 2

Architecture Blog

This article describes how to automate high availability for the WebLogic administration server in a multi-AZ deployment on AWS, using DNS resolution instead of a floating IP.

Specifically, the article covers:

  • Configuring the WebLogic domain to use DNS for locating the admin server
  • Setting up an Auto Scaling group for the admin server instance
  • Creating an AWS Lambda function to update the DNS A record when the admin server instance is launched
  • Enabling public internet access to the admin server via an Application Load Balancer
  • Conclusion: Benefits of this DNS-based approach for WebLogic admin server high availability
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