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by CHY872 4098 days ago
Mm not entirely - I'd imagine that they could fairly easily run wpa-enterprise, authenticating against Comcast servers. Then when a user tries to connect, they'd be asked for their Comcast creds, which they could type in once, and then be authenticated with on all such servers.

It's how eduroam works, and that works fairly flawlessly (provided the routers have enough bandwidth).