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copied!<p>Even though they are two very different things, one can argue they <strong>both solve a software architecture problem</strong></p> <ul> <li><p>a design pattern solves many software architecture issues (about creation, behavior, concurrency, ...) with different pre-defined <em>design</em>. (design being an <a href="https://stackoverflow.com/questions/268497">implementation of an architecture topic</a>)</p></li> <li><p>a framework is based on the <a href="http://en.wikipedia.org/wiki/Hollywood_Principle" rel="nofollow noreferrer"><strong>Hollywood Principle</strong></a> ("Don't call us, we call you"), where you implement some high level requirements as specified, and leave the framework do the rest of the work, calling your implementations.</p></li> </ul> <p>A key difference is the <strong>scope cohesion</strong>:</p> <ul> <li><p><strong>design pattern have a</strong> <strong><em>tight</em></strong> <strong>scope</strong>:</p> <ul> <li>class design patterns (involves classes)</li> <li>business design patterns (involves business workflows)</li> <li>application design patterns (involves applications)</li> </ul></li> <li><p><strong>framework has a</strong> <strong><em>large</em></strong> <strong>scope</strong>:<br> For instance, <strong><a href="http://msdn.microsoft.com/en-us/netframework/default.aspx" rel="nofollow noreferrer">.NET is a framework</a></strong> composed of:</p> <ul> <li>a language (C#)</li> <li>a runtime environment (CLR)</li> <li>a collection of libraries<br> Just develop what you need and let the .Net framework call your classes.</li> </ul></li> </ul>

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