&gt; they&#x27;re just offloading some compute power (therefore cost) to the hosts<p>I don&#x27;t know enough about networking to follow the tech, but they seem to say in the post that&#x27;s exactly what they intended to do:<p>&gt; The idea of dropping several millions of dollars on overly expensive networking hardware wasn’t particularly appealing to us. As systems engineers we’d much rather invest the money in commodity server hardware, which directly impacts how efficiently we can deliver content.