Blogs

  • UKNOF is 20…what next ?

    The 20th meeting of the UK Network Operators’ Forum will take place on Tuesday 6th September, hosted by Hewlett Packard at HP Labs in Bristol, and also sponsored by Arbor Networks. Our talk line-up this time includes presentations by ISC on Passive DNS and our new Knowledge Base, World IPv6 Day retrospectives, the BufferBloat project, IOS-XR experiences, BT’s LTE trial,

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  • DS-Lite architecture: overview and automatic configuration

    Dual Stack Lite is an architecture that allows IPv4 services to be provided in an IPv6 network, despite a limited amount of available IPv4 addresses. Work on DS-Lite was conducted within the Softwires working group in the IETF, and began in late 2008. After many revisions it was recently published as RFC6333, with its companion RFC6334 dedicated to automated configuration. Both

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  • ISC BIND 9.8.1b3 provides startup-performance improvements

    ISC BIND 9.8.1b3 is now available. BIND 9.8.1b3 is the third beta release of BIND 9.8. This document summarizes changes from BIND 9.8.0 to BIND 9.8.1b3.  Please see the CHANGES file in the source code release for a complete list of all changes. Download The latest versions of BIND 9 software can always be found on our web site at

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  • A Major Improvement in BIND 9 Startup Performance

    One of the common complaints we’ve received over the years about BIND 9 is that large authoritative servers, particularly those with a very large number of small zones, are slow to launch. I’ve met some DNS operators who expressed a powerful aversion to upgrading their systems, because a shutdown and restart can literally take all day. If that describes you,

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  • Launching the TechWomen Initiative – Week One

    I am deeply honored to be participating as a technical mentor for the TechWomen project this summer. TechWomen is a project born out of President Obama’s 2009 Cairo speech, where he called for greater collaboration in technology between the United States and countries with majority Muslim populations. TechWomen is funded by the U.S. Department of State’s Bureau of Educational and

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