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Vaughn Vernon Uses Reactive DDD to Model Uncertainty in Microservices
Microservices and reactive systems bring with them uncertainty about messages arriving out of order, multiple times, or not at all. How to react to such uncertainty is a business decision, says Vaughn Vernon, and is best captured by modeling the uncertainty using concepts of Domain-Driven Design.
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New Relic Releases El Dorado UI, a Web App for Visualizing a Neo4j Graph Database
New Relic open sourced the El Dorado UI project, a Sinatra app to query and visualize relationships between development teams, projects, and microservices, all stored in a Neo4J graph database. Ward Cunningham, the inventor of Wiki, described the origin of the project and demonstrated its capabilities at the Explore DDD conference in Denver, Colorado.