It's not just the immense traffic throughput, but also consider that some of these routers [0] can do line-rate MACsec encryption at 400Gbps on every port. This

It's not just the immense traffic throughput, but also consider that some of these routers [0] can do line-rate MACsec encryption at 400Gbps on every port. This kind of horsepower was unthinkable even a few yrs ago... [0] Example Juniper PTX10000 datasheet (PDF) https://www.juniper.net/assets/us/en/local/pdf/datasheets/1000617-en.pdf https://www.juniper.net/assets/us/en/local/pdf/datasheets/10...