Researchers at several universities are working to design a new internet to replace the current global network. The new version would address many of the problems inherent in the design of the current network, including the security, mobility, and ubiquity of internet-connected devices. But for schools, businesses, and other institutions, the cost of transitioning to the new network--replacing routers, switches, and other gear to accommodate the new internet architecture--could be significant.

The internet "works well in many situations but was designed for completely different assumptions," said Dipankar Raychaudhuri, a Rutgers University professor overseeing three internet redesign projects....

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