Stories by Carolyn Duffy Marsan

  • Could IP address plan mean another IPv6 delay?

    Internet policymakers are considering sweeping changes to the way they distribute IP addresses that could allow network operators to make money by transferring unused blocks of IPv4 address space to others in need. One result could be lessened incentive to move to IPv6 any time soon.

  • Powerful new antiphishing weapon DKIM emerges

    Spoofers, spammers and phishers, beware. There's a new gun in town, and some of the Internet's most powerful companies -- including Yahoo, Google, PayPal and AOL -- are brandishing it in the ongoing battle against e-mail fraud.

  • Internet Society CEO sets sights on next 'Net users

    The Internet has 1.3 billion users, but that's not enough for Lynn St. Amour. As CEO of the Internet Society, she is expanding the nonprofit group, which promotes development of the Internet globally. St. Amour doubled the group's staff in 2007 and beefed up its outreach activities in Africa, South America and Asia in her bid to add another billion Internet users worldwide. National Correspondent Carolyn Duffy Marsan sat down with St. Amour this week at a meeting of the Internet Engineering Task Force, an ISOC-funded standards group. Here are excerpts from their conversation:

  • One less reason to adopt IPv6?

    For a decade, IPv6 proponents have pushed this upgrade to the Internet's main communications protocol because of its three primary benefits: a gargantuan address space, end-to-end security, and easier network administration through automatic device configuration.

  • Is IPv6 ready for the office?

    Network engineers completed their first-ever test of common enterprise applications over the world's largest IPv6 network this summer -- and the results announced today were mixed.

  • How MySpace Is Hurting Your Network

    Increasingly popular social-networking sites such as MySpace, YouTube and Facebook are accounting for such huge volumes of DNS queries and bandwidth consumption that carriers, universities and corporations are scrambling to keep pace.

  • ARIN warns of IPv4 address depletion

    The IPv6 movement got a boost in May when the American Registry for Internet Numbers announced it would actively encourage migration to IPv6. ARIN distributes blocks of IP addresses to service providers and enterprises based in North America. Other stories on this topic

  • Security expert recommends 'Net diversity

    Eugene Spafford, one of the leading experts on information security, is director of the Center for Education and Research in Information Assurance and Security at Purdue University. Network World Senior Editor Carolyn Duffy Marsan recently sat down with Spafford at his office to talk about the latest security threats and what network executives can do to mitigate them.

  • IETF leaders urge detente with rivals

    The IETF is scrambling to retain its position as the Internet's premier standards setting body in the face of declining participation, increased competition from other standards bodies and overall network industry consolidation.