Numerous enhancements make Apache HTTP Server 2.4 suited for xloud environments. They include:
- Improved performance (lower resource utilization and better concurrency)
- Reduced memory usage
- Asyncronous I/O support
- Dynamic reverse proxy configuration
- Performance on par, or better, than pure event-driven Web servers
- More granular timeout and rate/resource limiting capability
- More finely-tuned caching support, tailored for high traffic servers and proxies.