[bigiain]

Yeah, inbound connection to your service are not the issue the article is discussing. It's the outbound connection (for example, to memcached or mongodb) that your service makes in response to those potentially-greater-than-64k in bound connections that might trip you up. The site I'm working on right now makes 4 memcached requests for a logged in user hitting the homepage - that design may well fall apart at ~16k simultaneous connections if it's running on a shared host paas type host (or well before that if I'm sharing resources with another customer on the same paas hardware as my app)