SaaS architecture analysis - challenges & solutions

In the last decade IT industry focused on the transformation of software delivery from process-based to service-based. Since then, the evolution in this field was enormous: Software Oriented Architecture (SOA) and its implementation on Enterprise Service Bus (ESB) solutions, virtualization on several layers including infrastructure (IaaS), platforms (PaaS) and software (SaaS).

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advantages of multitenant architecture in SaaS applications

In a single tenancy environment, a single instance of the software and supporting infrastructure serve a single customer. So each customer has his or her own independent database and instance of the software with no sharing. Although supporters talk about security issues, dependability and customization, high costs relating to maintenance, setup/management and inefficient use of resources...

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