Create skeleton MSP tech document

doc/Mesh-Streaming-Protocol.md

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+Mesh Streaming Protocol (MSP)
+=============================
+[Serval Project], April 2014
+
+The [Mesh Streaming Protocol][MSP] is a network protocol used in the [Serval
+mesh network][].  It provides a two-way, reliable, ordered stream of bytes
+between a pair of end points, which can be used to transfer files, conduct
+an HTTP session, or carry quasi-real-time streaming data.
+
+MSP uses the unreliable [MDP][] protocol to send datagram packets between the
+two end points.  MSP uses sequence numbering, acknowledgement messages and a
+sliding window to achieve eventual reliable delivery of all packets.  MSP also
+uses [network coding][] to transmit redundant copies of packets in advance
+without the inefficiencies of simple packet repetition.
+
+MSP was funded by a [grant][] from the [New America Foundation][NAF]'s [Open
+Technology Institute][OTI].
+
+Protocol description
+--------------------
+
+TBC
+
+Client API
+----------
+
+TBC
+
+
+[Serval Project]: http://www.servalproject.org/
+[grant]: http://developer.servalproject.org/dokuwiki/doku.php?id=content:activity:naf6
+[NAF]: http://www.newamerica.net/
+[OTI]: http://oti.newamerica.net/
+[MSP]: http://developer.servalproject.org/dokuwiki/doku.php?id=content:tech:msp
+[Serval mesh network]: http://developer.servalproject.org/dokuwiki/doku.php?id=content:tech:mesh_network
+[MDP]: http://developer.servalproject.org/dokuwiki/doku.php?id=content:tech:mdp
+[network coding]: