A Battle-Ready Net?

It's not there yet. Plenty needs to be done to safeguard it against either a physical assault or a cyber attack

As anyone who tried calling into or out of New York City on Sept. 11 can attest, phone service there fell apart that day -- and for several days after the terrorist attack that downed the World Trade Center. The flood of calls on both wireless and traditional networks made it hard to reach out and touch anybody -- except via e-mail and instant messages on the Web. Tech-savvy surfers even used the Net to make voice calls. All in all, as was frequently noted in the week after the tragedy, the Internet earned a passing grade.

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