As part of a larger proposed effort to rethink the Internet's architecture (see "The Internet Is Broken"), Internet elders such as MIT's David D. Clark argue that authentication -- verification of the identity of a person or organization you are communicating with -- should be part of the basic architecture of a new Internet. Authentication technologies could, for example, make it possible to determine if an e-mail asking for account information was really from your bank, and not from a scam artist trying to steal your money.

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