How can we ensure the resilience of the internet in the face of catastrophic events?

 
The internet is a complex and interconnected network of devices, cables, satellites, and protocols that enables global communication and information exchange. However, this network is also vulnerable to various threats, such as solar flares, cyberattacks, natural disasters, or human errors, that could disrupt its functionality and cause widespread damage to society and economy. What are the current and potential strategies to safeguard, backup, or restore the internet in case of such scenarios? What are the challenges and limitations of these strategies?
 
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