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“The concept of a more secure network that customers or vendors are willing to pay for is probably the only way to provide the security that people want to have,” Mr Schlein says.
Mr Cerf said the ubiquity of the present internet need not block the adoption of a new version.
“I’m actually quite interested in the clean-slate ideas,” Mr Cerf said. “People will say, ‘Oh you can never do that, it’s already too deeply embedded in everything else.’ But you could have said that of the telephone system in 1973, and the internet is replacing the telephone system.”