3 ms·
> What I mean by this is a CDN consists of nodes that are horizontally replicable and don't really talk to each other, and thus are easy to run even at scale.
by supriyo-biswas 10d ago
> What I mean by this is a CDN consists of nodes that are horizontally replicable and don't really talk to each other, and thus are easy to run even at scale.
They do though! They mostly try to avoid it since hitting the network to serve any kind of latency would unacceptably increase latency, but you wildly underestimated the amount of complexity there is to running a CDN.
- torginus 10d agoI probably underestimated the complexity and I didn't mean to knock on CDNs - I just wanted to say that not all distributed systems have equal complexity, and some require essentially almost serializable transactions, while others are fine with small channels of eventual consistency
- dastbe 9d agothe complexity is in different places. For these systems the sheer scale of throughput makes reasoning about them challenging. the OP mentioned 1B requests/day, where there are systems handling 1B requests a second.