CocoaEcho

Last Revision:	Version 1.1, 2012-08-17 A major update to simplify and modernize the code. (Full Revision History)
Build Requirements:	Xcode 4.3.3
Runtime Requirements:	Mac OS X 10.7

This sample code shows you how to write a basic echo client/server pair. It demonstrates how to make services available on both IPv4 and IPv6, publishing the services using Bonjour, and how to respond to network events asynchronously.