As Kubernetes has become the standard for deploying containerized applications, ingress controllers play a critical role in managing how external traffic is routed to services within the cluster. Envoy and NGINX are two of the most popular options for ingress controllers, and each has its strengths, weaknesses, and ideal use cases. In this blog, we’ll explore: How both ingress controllers work. A detailed comparison of their features. When to use Envoy vs. NGINX for ingress management. What is an Ingress Controller? An ingress controller is a specialized load balancer that: Manages incoming HTTP/HTTPS traffic. Routes traffic to appropriate services based on rules defined in Kubernetes ingress resources. Provides features like TLS termination, path-based routing, and host-based routing. How Envoy Ingress Controller Works Envoy , initially built by Lyft, is a high-performance, modern service proxy and ingress solution. Here's how it operates in Kubernetes: Ingress Resource : You d...
Managing distributed transactions is one of the most critical challenges in microservices architecture. Since microservices operate with decentralized data storage, traditional ACID transactions across services are not feasible. The Saga Pattern is a proven solution for ensuring data consistency in such distributed systems. In this blog, we’ll discuss: What is the Saga Pattern? Types of Saga Patterns : Orchestration vs. Choreography How to Choose Between Them Implementing Orchestration-Based Saga with Spring Boot An Approach to Event-Driven Saga with Kafka 1. What is the Saga Pattern? The Saga Pattern breaks a long-running distributed transaction into a series of smaller atomic transactions , each managed by a microservice. If any step fails, compensating actions are performed to roll back the preceding operations. Example: In an e-commerce system , a customer places an order: Payment is processed. Inventory is reserved. Shipping is scheduled. If inventory reservation fails, the paym...