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Thread: wowza and highwinds

  1. #1

    Default wowza and highwinds

    We are using wowza 3.6.2, JW PLayer 6 (PC) and Highwinds. We are experiencing some unexpected behaviour. Alll our streaming is HLS in VOD. The CDN policies are set for 3600 sec duration and we followed wowza's instructions to set our wowza server as an HTTP origin. When we purge/flush the assets from the CDN we see the correct number of connection counts. As time goes by the connection counts drop and it appears that very few people are connected but we purge the assets again and the connection counts displays the correct number of connections again. Any idea how make sure we do not have to keep purging all the time?


    These are the application.xml properties.:

    <!-- Properties defined here will override any properties defined in conf/HTTPStreamers.xml for any HTTPStreamer loaded by this applications -->
    <Properties>
    <Property>
    <Name>cupertinoChunkDurationTarget</Name>
    <Value>10000</Value>
    <Type>Integer</Type>
    </Property>
    <Property>
    <Name>cupertinoRelativePlaylistPlaylists</Name>
    <Value>false</Value>
    <Type>Boolean</Type>
    </Property>
    <Property>
    <Name>cupertinoPlaylistHostDomain</Name>
    <Value>cds.b5k6y2y6.hwcdn.net</Value>
    </Property>

    <!-- HTTP origin mode: on, off -->
    <Property>
    <Name>httpOriginMode</Name>
    <Value>on</Value>
    </Property>

    <!-- Apple HLS: cache control -->
    <Property>
    <Name>cupertinoCacheControlPlaylist</Name>
    <Value>max-age=1</Value>
    </Property>
    <Property>
    <Name>cupertinoCacheControlMediaChunk</Name>
    <Value>max-age=3600</Value>
    </Property>

    <!-- Smooth Streaming: cache control -->
    <Property>
    <Name>smoothCacheControlPlaylist</Name>
    <Value>max-age=1</Value>
    </Property>
    <Property>

  2. #2
    Join Date
    Dec 2007
    Posts
    21,962

    Default

    With HTTP Origin Wowza is not involved in client connections, or anything that happens on the CDN side. Wowza just provides chunks of video and audio the CDN caches.

    Richard

  3. #3

    Default

    Hi Richard

    Thanks for the response. So to clarify, with wowza as an origin wowza only converts the file into .ts chunks and the CDN caches those chunks? But the playback is still excuted by wowza correct? So when end-users play the video files should we see all the connections in connectioncounts? after all we use the http://CDN/app/xxx.mp4/playlist.m3u8 format required by wowza to play...

    Thanks

    Marvin

  4. #4
    Join Date
    Dec 2007
    Posts
    21,962

    Default

    But the playback is still excuted by wowza correct?
    No, your clients are connecting to the CDN, Wowza has nothing to do with client playback. Or it wouldn't be an origin. You cannot tell how many clients are playing, connectioncounts will show the CDN only.

    Richard

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