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Most of the challenges that need to be overcome to make PaaS is suitable for telco relate to the need for additional features that telco applications typically require in terms of latency, security, and availability. PaaS provides the building blocks for automated testing, continuous deployment, as well as supporting the DevOps approach, and as such simplifies the development process and reduces time to market.
The convergence of IT, telecoms, and other domains brings benefits to all industries. PaaS is a cloud-based service model that frees up developers to focus on how to deliver the best business solution. In PaaS, the platform delivers services that can be used to develop applications, differing from the traditional method of development in which developers need to create the entire software stack.
By using microservices – the construction or deconstruction of applications into small parts – developers can build solutions in a technology-agnostic manner, choosing just the right network protocol and solutions for the application at hand. This approach enables each part of the system to be developed, maintained, deployed, executed, upgraded, and scaled independently.
Avoiding dependencies enables technology choices to be made on a per-microservice basis. As new technologies become available, they can be implemented appropriately without the need for a synchronized cross-microservice upgrade. As a result, each microservice can evolve at the right pace in a way that is most appropriate for a particular service.
The technology gaps that need to be closed to pave the way to telco-grade PaaS include tenant isolation and trace support. But there are many more, and this article covers how they together with microservices architecture can be combined to maximize the benefit.