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IBM, Cisco Intend to Build Network of Large-Scale, Fault-Tolerant Quantum Computers
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IBM, Cisco Intend to Build Network of Large-Scale, Fault-Tolerant Quantum Computers
Nov 20, 2025 4:14 AM

06:37 AM EST, 11/20/2025 (MT Newswires) -- International Business Machines ( IBM ) and Cisco Systems ( CSCO ) said Thursday they plan to explore the development of quantum hardware and software that could physically link multiple large-scale, fault-tolerant quantum computers together to establish networked distributed quantum computing.

The companies are eyeing an initial proof-of-concept demonstration by the end of 2030.

IBM ( IBM ) and Cisco ( CSCO ) also said they will work to solve "fundamental challenges towards a quantum computing internet."

IBM ( IBM ) shares were up 1.8% in recent premarket activity, while Cisco ( CSCO ) rose 0.8%.

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