The Serverless development model allows you to create and run scalable applications capable of autonomously adapting resources to meet peak requests, reducing the effort required to manage the Cloud infrastructure underlying their operation. The Serverless development model is incredibly versatile and can address the needs of an infinite number of use cases.
In multi-tier web architectures that require great scalability, the serverless model guarantees an improvement both from the point of view of performance and the cost/performance ratio. Furthermore, maintaining Serverless applications on AWS is exceptionally efficient because it does not require you to administer anything at the infrastructure, operating system and runtime environment level.
For example, using Amazon API Gateway, you can create client/server connections that route calls to AWS Lambda, the AWS Function-as-a-Service service, which will autonomously execute all requests. Both services, like all AWS services for serverless development, can scale independently, guaranteeing correct provisioning of resources in any traffic condition and ultra-granular cost control.
The peculiar characteristics of Serverless development facilitate the adoption of microservices and event-driven architectures. By developing Serverless, any event on any application or service can act as a trigger for activating AWS Lambda functions. For example, an upload to an S3 bucket, an SNS topic or an API call can execute a Lambda function, automatically triggering other events and allowing you to automate entire stacks.
Developing your SaaS application in Serverless mode adds even more agility and modularity to your Cloud architecture and frees you from recurring manual tasks. Lambda Functions make it easy to obtain an automatic scaling model capable of adapting the capacity of resources to the unpredictability of traffic typical of applications distributed in SaaS mode.
Amazon Web Services provides a complete range of services and tools dedicated to Serverless development. Thanks to this, you can delegate resources provisioning and scale, maintaining and updating operating systems, and many other management activities to AWS. Thanks to our experience in creating Serverless applications on AWS, Cloudavian can put at your disposal a team of Cloud Experts able to support your developers or take charge of all development activities, from design to deployment, to quickly create applications AWS Serverless in line with the AWS Well-architected Framework.
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