October 14, 2010
by sjvn01
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It would have been so easy if the early Internet and TCP/IP network designers had made IPv6 backward compatible with IPv4. They didn’t. In 1981, IPv4’s 32-bit 4.3 billion addresses look more than enough addresses for the ARPANet/Internet. That was … Continue reading
August 31, 2010
by sjvn01
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The Internet is running out of network addresses, which will force the switch from IPv4 to IPv6. But IPv6 has other advantages as well, such as improving network performance and making network administrators more productive (and cheerful). It isn’t a … Continue reading
August 30, 2010
by sjvn01
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t would have been so easy if the early Internet and TCP/IP network designers had made IPv6 backward compatible with IPv4. They didn’t. And, while Leslie Daigle, Chief Internet Technology Officer for the Internet Society, admitted at a June 2009 … Continue reading
August 26, 2010
by sjvn01
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With the advent of standardized 802.11n Wi-Fi, it’s easier than ever to expand your business network wirelessly, but that may not always be a smart idea. I’m sitting outside an office building in Portland, Oregon. The building has at least … Continue reading
August 4, 2010
by sjvn01
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“East is East, and West is West, and never the twain shall meet,” is a line from Rudyard Kipling’s The Ballad of East and West. It could also apply to Windows and Linux. If you don’t know what you’re doing, … Continue reading
July 28, 2010
by sjvn01
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One important piece of a multilevel security defense for companies of almost any size is network access control (NAC), which lets you enforce policies for end-user machines. The basic idea behind NAC — which can include hardware, software or a … Continue reading