"Ramana Kompella explained that traditional routing methods such as TCP/IP are not suitable for quantum networks because they rely on classical physics. Quantum networks utilize entanglement, where endpoints are connected using entangled photon pairs, allowing for instantaneous information transfer once entanglement is established."
"Kompella stated, 'In quantum, you have entanglement distribution, which isn't used in classical networking. You need an entanglement source to convey the entangled photons that need to be distributed to two parties that want to communicate.'"
Cisco is introducing a new quantum switch to improve routing for quantum networks, which will interconnect powerful quantum computers and sensors. These networks are expected to initially operate within data centers but can extend up to 100 kilometers over commercial fiber networks. Traditional routing methods like TCP/IP are unsuitable due to the principles of quantum physics, particularly entanglement, which allows instantaneous information transfer between endpoints using entangled photon pairs.
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