Thursday Feb 09, 2012

Multicast Vs. Unicast with WebLogic Clustering

WebLogic Clusters manage membership via messaging within its members. The members join/leave the cluster as well as update other members via messages to the entire cluster. There are two ways for cluster messaging in WLS - Multicast or Unicast. In this post, I hope to clarify the inner workings of WLS clustering membership around Unicast vs Multicast messaging while providing some guidence on the option to be used based on the requirements and constraints. 

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The primary contributors to this blog are comprised of the Exalogic and Cloud Application Foundation contingent of Oracle's Fusion Middleware Architecture Team, fondly known as the A-Team. As part of the Oracle development organization, The A-Team supports some of Oracle's largest and most strategic customers worldwide. Our mission is to provide deep technical expertise to support various Oracle field organizations and customers deploying Oracle Fusion Middleware related products. And to collect real world feedback to continuously improve the products we support. In this blog, our experts and guest experts will focus on Exalogic, WebLogic, Coherence, Tuxedo/mainframe migration, Enterprise Manager and JDK/JRockIT performance tuning. It is our way to share some of our experiences with Oracle community. We hope our followers took away something of value from our experiences. Thank you for visiting and please come back soon.

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