WebAPI/PresentationAPI:Protocol Draft: Difference between revisions

WebAPI/PresentationAPI:Protocol Draft (view source)

Revision as of 11:12, 7 April 2016

39 bytes removed , 7 April 2016

→‎Start Presentation: update details

Schien

Confirmed users

216

edits

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 === Start Presentation  ===
-* STEP 1: find device (mDNS/DNS-SD: _presentation-ctrl._tcp)
+* STEP 1: controlling page initiate presentation via request.start()
-** STEP 1a: query device capability (send query message: supported media type, supported URL format)
+* STEP 1a: controlling user agent initiate device selection
-* STEP 2: setup control channel to remote device (send connect message: device name, protocol version, supported challenge method)
+* STEP 2: setup control channel to server
-** STEP 2a: device challenge / device pairing (send challenge message: ) (send resolve message: ) (send auth message: encrypted auth token)
+* STEP 3: send connect command with device name, protocol version, supported challenge method
-* STEP 3: launch app / page (send launch message: url, session Id)
+** STEP 3a: server initiate device challenge / device pairing procedure
-* STEP 4: setup communication channel (send offer message: SDP for DataChannel) (send answer message: SDP for DataChannel)
+* STEP 3: client send launch command with url, presentation Id (launch command should be encrypted and carried by encrypted-ctrl-msg)
-** STEP 4a: establish DataChannel via SDP
+* STEP 4: server launch corresponding presented content and send launch-ack command
-* STEP 5: close control channel (send close message: )
+* STEP 4: client setup communication channel via data channel establishment procedure
+* STEP 5: client close control channel
 [[File:Draft Protocol Start Presentation.png]]
 === Establish Data Channel ===
 * STEP 1: client creates data channel and generates SDP as offer