Stories by Carolyn Duffy Marsan

Cisco, Verizon enlist in 24-hour IPv6 trial

Two leading network vendors -- Cisco and Verizon Business -- have enlisted in an upcoming trial-by-fire of IPv6, the long-anticipated upgrade to the Internet's main communications protocol called IPv4.

Facebook, Google, Yahoo commit to 'World IPv6 Day' trial

Several of the Internet's most popular Web sites - including Facebook, Google and Yahoo - have agreed to participate in the first global-scale trial of IPv6, the long-anticipated upgrade to the Internet's main communications protocol known as IPv4.

U.S. military strong-arming IT industry on IPv6

The U.S. military is ratcheting up the pressure on its network suppliers to deploy <a href="http://www.networkworld.com/newsletters/lans/2010/042810-ipv6-tutorial.html?fsrc=netflash-rss">IPv6</a> on their own networks and Web sites so they can gain operational experience and fix bugs in the products they are selling that support the next-generation Internet protocol.

Will feds mandate Internet routing security?

The U.S. Department of Homeland Security has <a href="http://www.networkworld.com/news/2009/011509-bgp.html?page=1">spent $3 million</a> over the past few years on research aimed at bolstering the <a href="http://www.networkworld.com/topics/security.html">security</a> of the Internet's routing system.

Fix to Chinese Internet traffic hijack due in January

Policymakers disagree about whether the recent Chinese <a href="http://www.networkworld.com/news/2010/111810-china-telecom-operator-denies-hijacking.html">hijacking of Internet traffic</a> was malicious or accidental, but there's no question about the underlying cause of this incident: the lack of built-in security in the Internet's main routing protocol.

Is free DNS a good deal for business?

It's been almost a year since Google announced its free DNS service known as Google Public DNS, promising a speedier, safer way to surf the Web and sparking concern that Google would become the dominant DNS provider for ISPs and other large network operators.

Comcast begins DNS security rollout

Comcast has begun migrating its customers to a new Internet security mechanism that will help protect them from being inadvertently routed to phony Web pages for pharming attacks, identity theft and other scams.

BlueCat beefs up IPv6 support

BlueCat Networks has enhanced its IP address management software to aid network operators in the transition to IPv6, the long-anticipated upgrade to the Internet's main communications protocol.

How Treasury, AT&T botched billion-dollar network upgrade

Three years ago, the U.S. Treasury Department awarded a <a href="http://www.networkworld.com/news/2007/092507-att-treasury-deal.html">billion-dollar network</a> consolidation project to AT&amp;T, which claimed to win the deal due to its superior "transition plan."

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