Archive for telecoms category:
2010 will be a bad year for ipv4
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We are now at the end of January, but IPv4, the Internet’s core addressing protocol still has a nasty hangover, and all signs are pointing to 2010 being a bad year for the protocol.
Since January 1st, a few key milestones have passed, indicating how urgent the IPv4 rundown problem has become. Firms that rely on [...]
IXP Bake Off Results
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Here are some slides that present some research undertaken by a number of European Internet Exchange points (IXPs), which I presented at UKNOF15 last week. They may be of interest to networks which connect to IXPs who have been considering connecting to the local multi-lateral peering (MLP) service, but are unsure whether testing has proved [...]
IPv6 Track at NANOG
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Greetings from Philadelphia! I am presenting as part of the IPv6 at NANOG46 (click here for info of how to watch) at 9:30PM UK time today, or download the IPv6 for Enterprises presentation here, or see information about the other speakers here..
The messages are clear and simple. Working now to get ready for the IPv6 [...]
iPhone battery life
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The iPhone is the best portable computer I have ever owned, in every regard but one – the battery life for me was shockingly bad. When it reached the point where I could not go a full day without charge, I decided that I would have to return the device, because it was not useful [...]
IPv6 Tooling talk
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At 3pm I’ll deliver this lightning talk to the LINX IPv6 Specialist Techical Workshop 2009 on IPv6 Tooling.
It covers :
Provisioning tools/notes
SNMP
NetFlow notes
Scripting notes
The internet is still broken, guys…
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I complained on December 10th 2008 that The Internet was broken for 4-byte ASN speakers. Rob Shakir, Jonathan Oddy, and I have been researching in detail the mechanism by which a faulty announcement by an end-site network in the Ukraine was able to break BGP (the protocol that glues different networks on the internet together, [...]
Asterisk 1.4.22 Agent call acknowledgement bug
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The behaviour of Asterisk has been altered since 1.4.21, possibly in error, with regard to answering calls from call queues.
There is a feature that requires agents to press # when they are ready to speak to a caller. Since we forward calls to agents via their mobiles, rather than auto-answer calls in a desk environment, [...]
Openness and telecoms
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This is a response to Lee Dryburgh’s article on Skype. We had a debate on Twitter, but I have not yet mastered the art of debate in 140 characters!
Lee’s premise is that “Certainly Skype is not a walled garden. All things being relative, it’s certainly not overly closed either.” Lee claims that the accusations of [...]
