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Migrating an ESB to a Cloud Native Platform
Rohit Kelapure, Coté
The rising popularity of microservices has led to several questions around the role of ESBs. Traditionally the role of the ESB was to fulfill the promise of SOA by providing invocation, routing, mediation, messaging, process choreography, service orchestration, and the other services needed for large, enterprise architectures.
Many organizations have fully developed and very mature ESBs in place to handle the services needed for their applications. As these organizations are looking at the microservices approach, they're finding conflicts between the two approaches. For example, microservices favor dumb pipes and smart endpoints, whereas an ESB often works on an canonical data representation leading to dumb endpoints and smart pipes.
For organizations looking resolve these conflicts, this whitepaper follows a 5 step process that can be put in place to evolve your ESB infrastructure to a next generation microservices based one. Each of the five steps (coexist, lift & shift, refactor, replace, and transform) are covered in detail, as well as motivations for going through this architectural evolution.