Businesses are adopting innovative cloud technologies, serverless computing and microservices architectures be it for IT modernization, mobile apps, data-driven decisions or IoT landscape. Serverless applications are growing in popularity from the past few years. Market research forecasts Serverless applications growth is driven by harnessing cloud technologies for rapid application development, dynamic scalability, optimal use of resources and cost-efficiency.
Serverless applications are more flexible and amenable to change, as individual functions have an architecturally aware role, a key benefit for the dynamism of today’s businesses. Event-driven applications and environments emphasize on choreography than orchestration. Serverless approach helps to focus on robust business logic, immersive user experience and responsive, reliable API ecosystem.
Serverless applications, accelerates the pace of innovation and productivity with the ability to release independent functions in faster iterations to address evolving business needs without having to manage servers, storage, networking, or provisioning of resources. A serverless framework is comprised of distributed microservices that self assembles deployments with installations, security updates and function calls in response to an external event. Ease of deployment & agility drastically reduces dependency on IT Ops, DBAs etc. With the serverless application, costs depend on usage of RAM, CPU, network or number of requests. When there is no consistent usage, as charges are applied only when resources are used, makes them more cost-effective. Scaling architecture with high availability managed by its provider is a great strength.
Serverless techniques and design patterns are contextual to the purpose being fulfilled, but following best practices, some as listed, helps in building strong serverless applications or to integrate them with existing architectures:
Serverless computing is potentially a huge development, but there are caveats impacting rapid adoption and growth scale of serverless market.
As Serverless technologies are moving towards maturity, certain direction towards establishment of standards for portability, kick-starter tools with auto-configuration services, premium plans with custom resources limits for deployment speed of updated functions, fixes to cold starts without need of pre-warming and maturity of tools with support for local, offline debugging, testing and monitoring supports needs of today’s large scale enterprises.
With so many thrilling trends in the vast, ever changing cloud computing world, best days for serverless applications are still ahead in well-designed and well-considered solutions…
To know more, please download the whitepaper on Serverless Architecture with AWS Lambda : Beyond Functions.
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