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can anyone tell me the difference between DLNA and Miracast, especially the technologies underneath?

Thanks!

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I'm not quite sure this is an Android related question. – Lie Ryan Nov 1 '12 at 8:06
Miracast was introduced in Android 4.2, where else have you seen it? – est Nov 1 '12 at 8:58
It is like asking about USB cable or GSM antenna or LiON battery, if the question are not Android-specific issue of the technology, they are generally considered off topic. Although the enforcement for these specific kind of questions have been quite lax, and I've been guilty answering a few such questions in the past. – Lie Ryan Nov 1 '12 at 9:32
1  
This article discusses the differences. – THelper Nov 1 '12 at 11:35

closed as off topic by Flow♦, Izzy, Al Everett, roxan, ce4 Nov 26 '12 at 8:44

Questions on Android Enthusiasts Stack Exchange are expected to relate to Android within the scope defined in the FAQ. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about closed questions here.

1 Answer

up vote 2 down vote accepted

okay since no one is willing to answer this question, I figured something out myself.

Here's the key points:

DLNA:

  • TCP level, HTTP+SOAP interface based on UPnP technology
  • pull & push media contents
  • remote control play/pause/seek

Miracast:

  • transport layer protocol
  • AP makes two device handshake, then two device communicate directly via wireless
  • not only stream video/audio contents, but also mirro device screens from one to another.
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