{"id":44477,"date":"2024-06-24T13:03:37","date_gmt":"2024-06-24T13:03:37","guid":{"rendered":"https:\/\/accuweb.cloud\/resource\/?post_type=faq&p=44477"},"modified":"2026-02-18T12:30:32","modified_gmt":"2026-02-18T12:30:32","slug":"tcp-load-balancer","status":"publish","type":"faq","link":"https:\/\/accuweb.cloud\/resource\/articles\/tcp-load-balancer","title":{"rendered":"TCP Load Balancing"},"content":{"rendered":"

TCP Load Balancing<\/h2>\n

Load balancing<\/a> increases system availability by distributing workloads across several components, increasing reliability through redundancy. The platform uses NGINX for both TCP and HTTP load balancing.<\/p>\n

TCP load balancing can manage requests for databases, mail servers, and other networked applications. It offers faster performance than HTTP by skipping the request-handling process. A client request via a network socket is directed by the TCP load balancer to an appropriate node using the round-robin algorithm.<\/p>\n

All subsequent requests follow the same connection to the selected node, keeping the specific instance hidden from the application. Connections persist unless disrupted by issues like network failures, after which a new connection is made, possibly to a different node.<\/p>\n

Step 1. <\/strong>Establish an environment with two or more application servers. NGINX will be integrated automatically, but remember to activate the Public IP<\/a> for your NGINX node. For example, here we are using the TOMCAT application server. Enable the Public IP4 slider as shown below. Select \u201cCreate\u201d<\/strong> environment.<\/p>\n

\"Create<\/a><\/p>\n

Step 2. <\/strong>Select the \u201cconfig\u201d<\/a> option next to your load balancer.<\/p>\n

\"Config<\/a><\/p>\n

Step 3. <\/strong>Navigate to the tcpmaps<\/a> directory and open the mappings.xml file. Define the frontend and backend ports: the frontend is where users connect, and the backend is where the balancer forwards requests. Save the modifications once done.<\/p>\n

\"Define<\/a><\/p>\n

Step 4. <\/strong>Restart your NGINX node. You can also check logs to confirm if the node has restarted.<\/p>\n

\"Restart<\/a><\/p>\n

In summary, TCP load balancing with NGINX ensures efficient distribution of requests across servers, optimizing system performance and reliability.<\/p>\n

Configuring frontend and backend ports in mappings.xml enhances control over request routing while monitoring NGINX logs, facilitating timely adjustments and maintenance.<\/p>\n

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