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Nginx serves dual purposes in modern infrastructure: it functions as both a web server and a load balancing solution through reverse proxy capabilities. This article explores how to implemant load balancing effectively using Nginx. Core Functions of Load Balancers A load balancer acts as an intermediary layer between clients and backend servers ...

Keepalived Overview Keepalived is an open-source software initially designed for managing LVS clusters, providing health monitoring for service nodes. It latter incorporated VRRP functionality to enable high availability solutions for various services like Nginx, HAProxy, and MySQL. Core Functionality LVS load balancer management Health monito ...

Dubbo's extension point loading system improves upon Java's standard SPI (Service Provider Interface) by addressing several limitations: Java SPI instanitates all implementations at once, potentially wasting resources on unused extensions Java SPI doesn't properly handle extension loading failures, making troubleshooting difficult Dubbo adds s ...

Understanding Proxy Services A proxy acts as an intermediary between clients and servers. In networking, proxies are commonly used to forward requests while providing control, security, or performance benefits. There are two primary types of proxies: - Forward Proxy: Serves client-side needs. For example, when a client within a restricted netwo ...

Proxy Server Fundamentals Proxy servers act as intermediaries between clients and backend services. In Nginx, reverse proxy configuration enables request forwarding, response buffering, and header manipulation. This guide covers practical implementations for routing traffic to HTTP and non-HTTP upstream servers. Basic Request Forwarding Configu ...

Verifying Stream Module Support The Nginx Stream module operates at Layer 4 (TCP/UDP), allowing for efficient traffic forwarding and load balancing outside of the standard HTTP context. Before attempting configuration, verify if your Nginx binary includes the module by executing the following command: nginx -V 2>&1 | grep --color -- '--w ...

Core Concepts and Architecture Nginx is a high-performance HTTP server and reverse proxy developed by Igor Sysoev. It efficiently handles concurrent connections and serves as a reliable alternative to traditional web servers under heavy load. Beyond web serving, it functions as an IMAP/POP3/SMTP proxy, making it a versatile tool for modern infr ...

Environment Overview 1.1 System Requirements This guide covers the deployment of a high-availability load balancing solution using HAProxy and Keepalived on CentOS 6.8 64-bit. The solution ensures that client requests are distributed across backend servers while providing automatic failover capability when the primary load balancer becomes u ...

Forward Proxy Architecture A forward proxy acts as an intermediary for client devices seeking to access external resources. Positioned between internal users and destination servers, this architecture prevents direct communication between the client and target endpoints. Operational Mechanics: The proxy server receives outbound requests from i ...

To facilitate communication between microservices, such as an Order Management system retrieving details from an Inventory system, client-side load balancing is essential. Spring Cloud Ribbon provides this capability seamlessly when integrated with Spring's RestTemplate. Project Configuration Begin by initializing the order management module. T ...