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Network Reachability APIs

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Network Reachability APIs

Subject: Network Reachability APIs
From: Eric Hermanson <email@hidden>
Date: Wed, 20 May 2009 15:55:23 -0400

On the iPhone, what's the point of the network Reachability APIs, when one can simply open a network socket (or input/output stream) and observe the EOF notices from the socket to determine network availability & reachability? In other words, if a network connection has to be made in the first place, why not just attempt the network connection via the socket/stream and see if that is successful, and then also watch for EOF (-1) return values from the stream to determine when the network is down?

- Eric


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