100Gbps is nothing for a company at the scale of Google. They are probably closer to 10-100Tb/s on there backbones. You don't need appliances here as they can'

100Gbps is nothing for a company at the scale of Google. They are probably closer to 10-100Tb/s on there backbones. You don't need appliances here as they can't handle the load, build the encryption into your application.