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Demystifying Serverless Computing: Understanding And Building Serverless Architectures

Paul Balo by Paul Balo
June 28, 2023
in Cloud, Research/How to do it
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Serverless computing has revolutionised the way we develop and deploy applications in the cloud. By abstracting away server management, it allows developers to focus on writing functions and building event-driven architectures. In this article, we will delve into the world of serverless computing, exploring its key concepts, benefits, and popular providers. We will also discuss the building blocks of serverless computing, including Functions as a Service (FaaS), event-driven architecture, and serverless workflows.

 

1.1 Overview of Serverless Computing

Serverless computing is a cloud computing model where cloud providers dynamically manage the allocation and scaling of resources. Key concepts include:

  • Definition and Key Concepts: Serverless computing abstracts infrastructure management, allowing developers to focus on code execution. Functions are executed in response to events, eliminating the need for server provisioning and scaling.
  • Benefits of Serverless Architecture: Serverless architectures offer several advantages, including reduced operational overhead, automatic scalability, pay-per-use pricing, and improved time to market.

 

1.2 Serverless Providers: Several cloud providers offer serverless platforms. Let’s explore the most popular ones

  • AWS Lambda: Amazon Web Services (AWS) Lambda is a leading serverless platform that supports multiple programming languages and integrates with other AWS services.
  • Azure Functions: Microsoft Azure Functions provides a serverless computing experience within the Azure ecosystem. It supports multiple languages and offers seamless integration with other Azure services.
  • Google Cloud Functions: Google Cloud Functions enables developers to build serverless applications using JavaScript, Python, or Go. It integrates seamlessly with other Google Cloud services.

Comparison of features and capabilities among these providers will help you choose the most suitable platform for your specific use cases.

 

1.3 Building Blocks of Serverless Computing: To effectively leverage serverless computing, it’s essential to understand its building blocks

  • Functions as a Service (FaaS): FaaS is at the core of serverless computing. It allows developers to write and deploy functions that are executed in response to events. Each function performs a specific task and can be individually scaled.
  • Event-Driven Architecture: In a serverless architecture, functions are triggered by events such as HTTP requests, database changes, or scheduled tasks. This event-driven approach allows for decoupled and scalable systems.
  • Serverless Workflows: Serverless workflows enable the composition and coordination of multiple functions to achieve complex business processes. Workflow platforms like AWS Step Functions and Azure Logic Apps provide visual interfaces to design and manage these workflows.


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Paul Balo

Paul Balo

Paul Balo is the founder of TechBooky and a highly skilled wireless communications professional with a strong background in cloud computing, offering extensive experience in designing, implementing, and managing wireless communication systems.

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