[e2e] Internet packet size distribution
Tatsuya MORI
tatsuya at nttlabs.com
Wed Oct 26 03:14:40 PDT 2005
> > We traced the recommendations for 1300B MTU to several sources. For
> > example VPN MTU recommendations, see our web page.
>
> Could this be because of IPv6 traffic being tunneled in IPv4?
> IPv6 requires that the link layer support an MTU of at least
> 1280 bytes. Add 20 bytes for an IPv4 tunnel header and you
> get 1300 bytes.
The statistics of several IPv6 links have been collected by the
researchers from MAWI WG, WIDE project.
We can see the jump at 1300B.
http://tracer.csl.sony.co.jp/mawi/
http://tracer.csl.sony.co.jp/mawi/samplepoint-C/2000/200010250900.html
http://tracer.csl.sony.co.jp/mawi/samplepoint-C/2001/200110250900.html
http://tracer.csl.sony.co.jp/mawi/samplepoint-C/2002/200210250900.html
http://tracer.csl.sony.co.jp/mawi/samplepoint-C/2003/200310250900.html
http://tracer.csl.sony.co.jp/mawi/samplepoint-C/2004/200410250900.html
http://tracer.csl.sony.co.jp/mawi/samplepoint-C/2005/200510250900.html
Best regards,
-- Tatsuya
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