FEDORA-2019-17556e2ad6 -- Fedora 29 mod_cluster-1.3.11-1.fc29ID: oval:org.secpod.oval:def:116594 | Date: (C)2019-05-14 (M)2023-02-20 |
Class: PATCH | Family: unix |
Mod_cluster is an httpd-based load balancer. Like mod_jk and mod_proxy, mod_cluster uses a communication channel to forward requests from httpd to one of a set of application server nodes. Unlike mod_jk and mod_proxy, mod_cluster leverages an additional connection between the application server nodes and httpd. The application server nodes use this connection to transmit server-side load balance factors and lifecycle events back to httpd via a custom set of HTTP methods, affectionately called the Mod-Cluster Management Protocol . This additional feedback channel allows mod_cluster to offer a level of intelligence and granularity not found in other load balancing solutions.