Nowadays, internet routers are much smarter than they were years ago. More and more features are added to this boxes in such that packets can be delivered faster and managing them easier. What do you think a router will be in next decade?
Currently, with Resilient Packet Ring, traffic can be rerouted to other paths in milliseconds response, close to SONET ADM. Processor used in the router box is also much better than we saw a few days ago. Probably they are already a dual-core RISC processor or something like that.