Archive for networking category:
The modern day window tax on the internet
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In 1696, King William III of England imposed a tax on glass. Essentially, houses with more than ten windows paid a levy to the government, but the tax is now remembered as unfair and very avoidable by bricking up the windows in your home. Today there is a new tax on glass – [...]
Can you fill all of the Great Lakes with M&M sized /64s?
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Posted to my blog at the request of RobL !
On Nanog, Owen DeLong and Larry Sheldon were discussing the relative size of the IPv6 address space:
>> 64 bits is enough networks that if each network was an almond M&M,
>> you would be able to fill all of the great lakes with M&Ms before you
>> ran [...]
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 [...]
DNSSEC and SSL certificates
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Dr. Jörg Schweiger of the German domain name registry DENIC posed an interesting question at this morning’s first DENOG meeting, in Frankfurt.
Would domain name users who are concerned about the accuracy of data served pay extra for the ability to sign their DNS zone ? A handful of people in the room raised their hand [...]
Extreme Switch / OpenSSH bug
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I have been trying to get a patch applied to Debian’s openssh-client packages since February which would fix a bug that prevents me from logging into Extreme switches via ssh:
trials:/usr/src/openssh-5.1p1# ssh hextreeme -l netadmin
Keyboard-interactive authentication
Enter password for netadmin:
channel 0: open failed: resource shortage: Channel open failed
The bug is described in Debian bug 495917, and it [...]
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 [...]
IPv4 Run-out policies in Europe
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There are a few policy suggestions pushing their way through the RIPE policy development process which discuss how the final remaining IPv4 addresses should be given to end users in the European region.
They all show that the effects of scarsity of IP addresses will be felt before the final few addresses become assigned to end [...]
