Tech Blog

  What is Serverless Architecture? Serverless architecture is a cloud-computing execution model where cloud service providers manage the infrastructure and resources required to run code. Despite the name "serverless," servers are still involved. However, the responsibility of provisioning, managing, and scaling servers is entirely handled by the cloud provider. This allows developers to focus purely on writing code and building applications, without worrying about the underlying infrastructure. In a traditional server-based architecture, businesses must set up physical or virtual machines, configure servers, monitor their health, and scale up or down depending on traffic. With serverless, these concerns are abstracted away. How Does Serverless Architecture Work? Serverless computing primarily relies on "Functions as a Service" (FaaS) platforms, such as AWS Lambda, Azure Functions, and Google Cloud Functions. Here's a simplified breakdown of how it works: Event-...

 What is Microservices Architecture? In the modern software world, businesses require scalable, flexible, and efficient systems to handle dynamic demands. Microservices Architecture has emerged as a popular approach to software development, enabling organizations to build applications that are easier to manage, deploy, and scale. But what exactly is Microservices Architecture, and how does it compare to traditional Monolithic Architecture? Let’s break it down in a beginner-friendly way. Understanding Microservices Architecture Microservices Architecture is a method of developing applications as a collection of small, independent services that communicate with each other. Each service is designed to perform a specific function and can be developed, deployed, and maintained independently. These services interact through APIs (Application Programming Interfaces), typically using protocols like HTTP or messaging queues. Real-World Example Consider an e-commerce application like A...

Introduction If you’ve ever wondered how large applications are built and function as a whole, then you’ve probably come across the term Monolithic Architecture . This architecture has been the backbone of software development for years and remains a solid choice for many businesses today. In this blog, we’ll explore what Monolithic Architecture is, why it is used, where it excels, and where it struggles. To make things simple, we’ll use relatable real-world examples and visualizations to help you grasp the concept easily. What is Monolithic Architecture? Monolithic Architecture is a single-tiered software design where all components of an application (user interface, business logic, and database) are tightly integrated into a single codebase. It means that everything is bundled together and deployed as a single unit. Visualization of Monolithic Architecture: Imagine a restaurant where everything is managed by a single chef. The same chef takes orders, cooks meals, serves cus...

What is Kafka? Apache Kafka is an open-source distributed event streaming platform designed to handle large volumes of real-time data efficiently. It allows applications, systems, and users to publish, subscribe, store, and process streams of records in a fault-tolerant and scalable manner. Kafka was originally developed by LinkedIn and later donated to the Apache Software Foundation. It is now widely used by organizations to manage real-time data processing and event-driven architectures. Why Kafka? Traditional databases and message queues struggle to handle high-throughput, real-time data efficiently. Kafka was created to solve this problem. Here’s why Kafka is preferred: High Throughput & Scalability: Kafka can handle millions of messages per second with horizontal scalability. Durability & Fault Tolerance: Data is replicated across multiple servers to prevent data loss. Low Latency: It enables real-time event processing with minimal delay. Decoupling of Systems:...

 What is an API? API stands for Application Programming Interface . It acts as a bridge that allows two applications to communicate with each other. Think of an API as a waiter in a restaurant—it takes your order (request), delivers it to the kitchen (server), and brings back your food (response). APIs make software interaction seamless. For example, when you book an Uber, your phone communicates with Uber’s servers through an API to fetch available drivers. Types of APIs (with Real-World Examples) There are four main types of APIs: 1. Open APIs (Public APIs) What it is: Available to developers and users with minimal restrictions. Example: Google Maps API – Used by food delivery apps to show the location of a restaurant and track orders. How it works: An app like Swiggy requests route details, Google Maps API responds with navigation info. 2. Partner APIs What it is: Available to specific business partners with access control. Example: PayPal API – Used by e-c...

 Databases play a crucial role in modern applications, ensuring that data is stored, retrieved, and managed efficiently. But have you ever wondered how databases maintain consistency and reliability, especially in banking, e-commerce, and airline booking systems? The answer lies in ACID properties , which form the backbone of database transactions. In this blog, we’ll break down ACID properties in a beginner-friendly manner, using real-world examples and simple visualizations to help you grasp these concepts easily. image credit : gfg  What are ACID Properties? ACID is an acronym for Atomicity, Consistency, Isolation, and Durability . These properties ensure that database transactions are processed reliably, even in the event of system crashes or failures. 1. Atomicity: "All or Nothing" Definition Atomicity ensures that a transaction is treated as a single unit. Either all the operations within the transaction complete successfully, or none of them do. Real-World Exam...

Introduction In today's digital age, speed and reliability are crucial for websites and online applications. Have you ever wondered how global websites like Netflix, Amazon, or Facebook load so quickly, regardless of where you are? The answer lies in Content Delivery Networks (CDNs). A CDN is a network of geographically distributed servers that work together to efficiently deliver content to users. Instead of relying on a single origin server, CDNs cache content across multiple locations worldwide, reducing latency and improving performance. In this blog, we will break down how CDNs work, their benefits, and the major players in the CDN market , along with real-world examples to make the concept clear for beginners. How Does a CDN Work? A CDN acts as a middle layer between a website’s origin server and the end-user, ensuring faster and more reliable content delivery. Here’s how it works: Content Caching: CDNs store copies of website content (images, videos, HTML, JavaScr...

What is an API Gateway? An API Gateway is like a traffic controller for web applications. It manages and routes requests between clients (users or applications) and backend services. It ensures that data flows efficiently, securely, and in a controlled manner. Real-World Analogy 🏢 Think of an API Gateway like a receptionist at a corporate office. When visitors arrive, the receptionist verifies their identity, directs them to the right department, and ensures they don’t access restricted areas. Similarly, an API Gateway manages, authenticates, and routes API requests to the correct backend service. Common Functions of an API Gateway 🛠️ An API Gateway provides several important functions to optimize and secure API calls: 1. Routing Requests 🔄 It determines which backend service should handle an incoming request. Example: A food delivery app routes user requests to different services (restaurants, payments, order tracking). 2. Authentication & Authorization 🔐 Ensu...

Introduction In today’s digital world, where millions of users access websites and applications simultaneously, ensuring smooth performance is crucial. Have you ever wondered how major platforms like Google, Amazon, or Netflix handle massive traffic without crashing? The answer lies in Load Balancing . A Load Balancer is like a smart traffic cop that efficiently distributes incoming network traffic across multiple servers. This ensures no single server gets overwhelmed, improving speed, reliability, and fault tolerance. Real-Life Example: Traffic Management on Roads Imagine a busy highway with thousands of cars. If all vehicles try to take a single lane, there will be congestion and delays. Instead, traffic signals distribute cars across multiple lanes, ensuring a smooth flow. Similarly, a load balancer directs user requests to different servers, preventing overload and ensuring seamless access. Types of Load Balancers Load balancers are primarily categorized into two types:...

Introduction Have you ever wondered how big websites like Amazon, YouTube, or Instagram handle millions of users at the same time? They use a well-designed system that can scale and manage a lot of traffic. In this blog, we will break down  System Design Components  into simple terms so that even beginners can understand them. 1. Web Server Think of a Web Server as a waiter in a restaurant. When you order food (visit a website), the waiter (web server) takes your request to the kitchen (backend) and brings back your order (webpage). Examples: Apache, Nginx 2. API (Application Programming Interface) An API is like a bridge that allows two applications to talk to each other. For example, when you use Google Maps inside a food delivery app, that app is using Google’s API to fetch location details. Types: REST API, SOAP 3. Load Balancer Imagine a restaurant where multiple chefs work together to serve food faster. A Load Balancer works the same way by distributing...