Blogs

Last modified: January 30, 2014
  • Origin ASN for Anycasted Services

    There is a new draft from the IETF GROW working group that attempts to standardize how Anycasted services manage their routing announcements.  The draft can be found at: ftp://ftp.rfc-editor.org/in-notes/internet-drafts/draft-ietf-grow-unique-origin-as-01.txt Before commenting directly on the draft a review of how ISC operates the F-Root Anycast network is in order. ISC maintains ASN 3557 which is used to originate the F-Root prefixes

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  • ISC BIND 9.9.0a1 — feature preview

    Yesterday afternoon, ISC published the first alpha release of BIND 9.9.0. This is an early technology preview, showing off some of the work we’ve been doing in BIND 9. There will be more new features added in later alpha releases, but here’s what’s ready to debut now… New Features The big new item in 9.9.0a1 is NXDOMAIN redirection.  This enables a

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  • 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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