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Measuring IPv6 Deployment

Measuring IPv6 Deployment. Geoff Huston George Michaelson research@APNIC.net. How much IPv6 is deployed?. How can we measure the extent to which the Internet can support IPv6? Can we make estimates of when IPv6 will be deployed comprehensively?. End-to-End Approach to Measurement.

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Measuring IPv6 Deployment

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  1. Measuring IPv6 Deployment Geoff Huston George Michaelson research@APNIC.net

  2. How much IPv6 is deployed? • How can we measure the extent to which the Internet can support IPv6? • Can we make estimates of when IPv6 will be deployed comprehensively?

  3. End-to-End Approach to Measurement • When a server offers a client the choice of IPv6 or IPv4 how many clients successfully choose IPv6? • For a client to complete a transaction with a server using IPv6 all the network components to support that transaction must be in place and working • Uses the property of current platforms that dual stack clients will prefer to attempt a IPv6 connection before falling back to IPv4 • Repeat the same measurement every day to establish a useful long term data series • Correlate the data across multiple servers

  4. Web Server Stats 1.4% 0.0% 2006 2008 2004

  5. What’s this saying? • Relative use of IPv6 was 0.2% in the period 2004 – 2006 • Relative use of IPv6 has increased from 2007 to around 1% today • There has been strong increase in IPv6 take-up from 2008 • IPv6 deployment has probably passed early adopter phase and has moved into the initial phase of broad scale adoption by late 2008 • A continuation of this rate of doubling of the relative use of IPv6 will see IPv6 achieve a critical mass of deployment of 25% within the next 5 years • This is a very small sample – more measurement points would assist in increasing the confidence level in these measurements

  6. Some more general Observations • Internet Measurement is not necessarily a major exercise in big numbers and large budgets – extremely useful information can be gathered from well controlled small scale measurements • Measuring individual components or subsystems for their level of IPv6 support is not very useful – IPv6 requires support across all elements of the Internet so measurements should reflect the capability of the complete network environment, rather than just one element or subsystem • Single snapshots of a phenomenon are far less useful than extended data series when using the data for predictions and forward planning

  7. Thank You research@apnic.net

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