LWN has had quite a few past articles that went into details of issues with processing network packets at line speeds on modern OSes and machines. https://lwn.

LWN has had quite a few past articles that went into details of issues with processing network packets at line speeds on modern OSes and machines. https://lwn.net/Articles/629155/ https://lwn.net/Articles/629155/ https://lwn.net/Articles/713918/ https://lwn.net/Articles/713918/ https://lwn.net/Articles/719850/ https://lwn.net/Articles/719850/ The block layer has gone through somewhat similar issues as some storage devices started approaching RAM speeds.