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Reblogged by cstanhope@social.coop ("Your friendly 'net denizen"):
mathew@universeodon.com wrote:
The ISO 7 layer model as actually encountered:
1. Radio transmitters with buggy firmware.
2. Things pretending to be ethernet.
3. Networks broken by NAT.
4. HTTP.
5. Other protocols layered over HTTP.
6. Reliable connections implemented using other protocols layered over HTTP.
7. (Soon) HTTP over HTTP.