Re: 802.11b access in Tokyo and Kyoto with IP mobility

[Fred Baker <fred at cisco.com>]

For the record, I'm sitting at this instant in Tokyo Station, and am on my 
way from Narita to Yokohama. I am sitting in the green car, and I accessed 
the appropriate web page.

I have wonderful 802.11 connectivity, and I have an IP address. Whether 
that means I can use the Internet is another question. On the parts of the 
track where the connectivity is there, we see ping round trip delays 
varying from 380 ms to over four seconds. There are fairly large parts of 
the track where the NTT DoCoMo 3G data connectivity appears to simply not 
be there - especially when in concrete tubes and ditches, but also on 
places with open track.

So I think here the term "seamless", when applied to connectivity, doesn't 
really apply.