Banks have been one of the early adopters of Service-Oriented Architecture (SOA) and Integration technology such as Enterprise Service Bus (ESB). Why was it imperative for banks to embrace SOA? The diverse enterprise eco-system centered on the core banking platform can easily become very complex with hundreds of interconnected systems built using diverse technology stacks and scattered around different geographical locations. It was either death by a thousand cuts or to adopt SOA, and wisely so, most banks chose the latter!
