On global roaming for data

Like most international travellers in the Internet age, during our recent travel through Europe I was confronted by the ridiculous situation that exists for mobile data access.  By ridiculous I mean ridiculously expensive. Look, don't get me wrong: the technology that allows GSM/UMTS global roaming is pretty magical[1].  But it's not exactly new!  It's not … Continue reading On global roaming for data

Another IPv6 instalment (subtitled: Watch Your Tech Library Currency!)

I made a somewhat cryptic tweet a little while ago about how I spent a crazy-long period of time researching what was, I believed, the next-big-thing in DNS resolution for IPv6 (or so my 2002 edition of "IPv6 Essentials" told me).  I could not work out why I saw nothing about A6 records in any … Continue reading Another IPv6 instalment (subtitled: Watch Your Tech Library Currency!)