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

Thanks!

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

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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
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1 Answer 1

up vote 4 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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