Netflix does offer to give servers to ISPs to put in their datacenters. So if your ISP is seeing congestion on the IX links, it is entirely possible that Netflix still works fine (because the traffic doesn’t leave the ISP and is therefore not hitting the congestion). But that is not a “fast lane”
Netflix does offer to give servers to ISPs to put in their datacenters. So if your ISP is seeing congestion on the IX links, it is entirely possible that Netflix still works fine (because the traffic doesn’t leave the ISP and is therefore not hitting the congestion). But that is not a “fast lane”