Reverse Proxy

https://www.upguard.com/blog/reverse-proxy-vs-load-balancer Load Balancer and reverse proxy are often same but not always. The similarity between the 2 is in the fact that they handle inbound requests across two or more web servers to spread the load. A reverse proxy, however, typically has any number of features: load balancing: as discussed above caching: it can cache content from the web server(s) behind it and thereby reduce the load on the web server(s) and return some static content back to the requester without having to get the data from the web server(s) ...

IOPS (Input/Output Operations Per Second) is a measure of NUMBER of input/output operations that a system can perform in a second. An I/O operation refers to any read or write operation that accesses data on a storage device, such as a hard disk drive or solid-state drive. IOPS is typically used to measure the random access performance of a storage system, since random I/O operations are typically more demanding than sequential I/O operations. ...