Apache 2.4 is slated to deliver superior performance to its 2.2 predecessor and better compete with the growingly-popular NGINX web-server. It is the first major release of Apache in six years, coincides with the software’s 17th anniversary. The Foundation claims that numerous enhancements make Apache HTTP Server v2.4 ideally suited for Cloud environments. These include: Improved performance (lower resource utilization and better concurrency) Reduced memory usage Asyncronous I/O support Dynamic reverse proxy configuration.
Source: https://thehackernews.com/2012/02/apache-24-comes-out-major-update-after.html