Tag: Internet
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pfifo_fast and ECN
Summary The default queuing discipline used on Linux network interfaces deprioritizes ECN enabled flows because it uses a deprecated definition of the IP TOS byte. The problem By default Linux attaches a pfifo_fast queuing discipline (QDisc) to each network interface. The pfifo_fast QDisc has three internal classes (also known as bands) numbered zero to two…
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Network latency experiments
Recently a series of blog posts by Jim Gettys has started a lot of interesting discussions and research around the Bufferbloat problem. Bufferbloat is the term Gettys’ coined to describe huge packet buffers in network equipment which have been added through ignorance or a misguided attempt to avoid packet loss. These oversized buffers have the…
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Next is Now
Just stumbled on this video created by Rogers. One of a few good quotes: “10 years ago it took 72 hours to download Godfather… – Today it takes 10 minutes – It still takes 3 hours to watch”
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Some infrastructure links for Canada 3.0
Tomorrow the Canada 3.0 conference starts. Since I am attending the infrastructure track I thought it might be useful to collect a bunch of links relating to the Internet as infrastructure. http://www.linuxjournal.com/content/why-internet-infrastructure-need-be-fields-study http://hakpaksak.wordpress.com/2008/09/22/the-etymology-of-infrastructure-and-the-infrastructure-of-the-internet/ http://lafayetteprofiber.com/FactCheck/OpenSystems.html http://news.cnet.com/Fixing-our-fraying-Internet-infrastructure/2010-1034_3-6212819.html http://www.interesting-people.org/archives/interesting-people/200904/msg00168.html http://www.interesting-people.org/archives/interesting-people/200904/msg00175.html http://cis471.blogspot.com/2009/04/why-is-connectivty-in-stockholm-so-much.html http://www.linuxjournal.com/xstatic/suitwatch/2006/suitwatch19.html http://publius.cc/2008/05/16/doc-searls-framing-the-net http://free-fiber-to-the-home.blogspot.com/ http://communityfiber.org/cringely.html http://www.linuxjournal.com/article/10033
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IPv6
For the first time in almost month I had a bit of free time for experimentation today so I decided it was time I set up my home network to use IPv6. I’ve tried to keep up on the development and deployment of IPv6 but besides setting up a few internal network nodes with IPv6…
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Amazon EC2 from a network administration perspective
There has been lots of discussion and buzz around the Amazon Web Services (AWS) lately. I posted a few links about this last week. Most of the articles that I have read on AWS speak of it from a high level. General discussions about how the service allows your web application to increase capacity as…
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A new way to look at networking
I finally got around to watching A new way to look at networking yesterday. This is a talk given by Van Jacobson at Google in 2006 (yes, it has been on my todo list for a long time).This is definitely worth watching if you are interested in networking. A couple of quick comments (These are…
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Cloud computing
It’s pretty hard to not notice the buzz around ‘cloud computing’. In large part this is due to the new services being offered by Amazon. Who would have thought that a book seller could become the infrastructure for a new generation of Internet start-ups? Here’s a bit of information to whet your appetite. Somehow I…
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End-to-end in standards and software
Two things. Both relate to Microsoft but that is just by coincidence. The first Apparently IE8 will allow the HTML author to specify the name and version number of the browser that the page was designed for. For example, the author can add a meta tag that says essentially “IE6”. IE8 will see this tag…
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The XMPP snowball is speeding up
More and more of the tech community seems to be talking about XMPP and how it fits into the future of the Internet. One example: XMPP (a.k.a. Jabber) is the future for cloud services