In message <5.1.1.6.2.20020713195103.02c0c1f0@mira-sjcm-4.cisco.com>, Fred Bake r writes: >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. > > No, not seamless, but I managed to download a lot of email on the train. --Steve Bellovin, http://www.research.att.com/~smb (me) http://www.wilyhacker.com ("Firewalls" book)