Stories by Carolyn Duffy Marsan

2011 brings fewer layoffs for high-tech workers

Here's a rare bit of good news for the U.S. economy: Fewer high-tech workers are being laid off in 2011 compared to last year, according to a report compiled by outplacement consultancy Challenger, Gray & Christmas.

IPv6 traffic surges at launch of World IPv6 Day

A surge of <a href="http://www.networkworld.com/news/2009/073009-ipv6-guide.html">IPv6</a>-based Web traffic began flowing over the Internet last night when World IPv6 Day began, according to data gathered by Arbor Networks.

World IPv6 Day: Tech industry's most-watched event since Y2K

The nation's largest telecom carriers, content providers, hardware suppliers and software vendors will be on the edge of their seats tonight for the start of World IPv6 Day, which is the most-anticipated 24 hours the tech industry has seen since fears of the Y2K bug dominated New Year's Eve in 1999.

Can't reach your favorite site? IPv6 may be to blame

A small number of Internet users will experience delays or time-outs as they attempt to visit Facebook, Google, Yahoo and other popular websites tonight and tomorrow, due to a 24-hour trial of a new Internet standard called IPv6.

Hackers may try to disrupt World IPv6 Day

Hundreds of popular websites -- including Google, Facebook, Yahoo and Bing -- are participating in a 24-hour trial of a new Internet standard called IPv6 on June 8, prompting worries that hackers will exploit weaknesses in this emerging technology to launch attacks.

Comcast expands IPv6 trial

Comcast has expanded its <a href="http://www.networkworld.com/newsletters/2010/042810-ipv6-tutorial.html">IPv6</a> trial, adding hundreds of cable modem subscribers in the San Francisco, Philadelphia, Chicago and Miami areas to participants in Littleton, Colo., that have been operational all year with this next-generation Internet service.

Large-scale IPv6 trial set for June 8

The largest experiment in the <a href="http://www.networkworld.com/slideshows/2009/020909-evolution-internet.html">40-year history of the Internet</a> will take place on Wednesday, as hundreds of Web sites test a new standard called <a href="http://www.networkworld.com/news/2009/073009-ipv6-guide.html">IPv6</a> that can support vastly more devices with faster, lower-cost connectivity than today's technology.

Lack of IPv6 traffic stats makes judging progress difficult

The Internet is poised to undergo the biggest upgrade in its <a href="http://www.networkworld.com/slideshows/2009/020909-evolution-internet.html">40-year history</a>: from the current version of the Internet Protocol known as IPv4 to a new version dubbed <a href="http://www.networkworld.com/news/2009/073009-ipv6-guide.html">IPv6</a>, which offers an expanded addressing scheme for supporting new users and devices.

What if IPv6 simply fails to catch on?

During the past six months, the Internet engineering community has undertaken an unprecedented effort to promote <a href="http://www.networkworld.com/news/2009/073009-ipv6-guide.html">IPv6</a> as an urgent and necessary upgrade for network and website operators to allow for the continued, rapid growth of the Internet.

Does ARIN have the right to approve all IPv4 address sales?

A U.S. bankruptcy court in Delaware recently approved Nortel's sale of 666,624 IPv4 addresses to <a href="http://www.networkworld.com/subnets/microsoft/">Microsoft</a> for $7.5 million. Despite this precedent, a debate is raging in Internet policy circles about how sales of IPv4 addresses -- particularly the largest blocks of IPv4 address space issued before the Internet became popular -- will proceed in the future.

Verisign expands cloud-based DDoS protection

Citing a rise in the number and scope of distributed denial of service (DDoS) attacks across the Internet, Verisign is expanding its cloud-based DDoS protection service to cover small and midsize businesses that are increasingly frequent targets.

Infoblox upgrades DNS appliances to ease move to IPv6

<a href="http://www.infoblox.com/en/home.html">Infoblox</a> is adding two new features to its DNS appliances to help its service provider and enterprise customers transition to <a href="http://www.networkworld.com/news/2009/073009-ipv6-guide.html">IPv6</a>, the long-anticipated upgrade to the Internet's main communications protocol.

Free DNS service adds IPv6 support

OpenDNS, one of the Internet's most popular free DNS services, is now offering production-grade support for IPv6, an upgrade to the Internet's main communications protocol known as IPv4.

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