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A
Anonymous
November 10, 2011
Question

HTTP Dynamic Streaming and Corporate Firewalls

  • November 10, 2011
  • 1 reply
  • 616 views

Will the use of HTTP Dynamic Streaming in place of the RTMP protocol aleviate the connectivity problems experienced by users who are sitting behind restrictive corporate firewalls?

Thanks.

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1 reply

A
Anonymous
November 11, 2011

Yes. If you wanted to stay with rtmp streaming, you also could use rtmpt or rtmpte. This tunnels the rtmp stream within http, requires a small %age of more server processing power and adds slight latency. I am not sure of any CDNs offering rtmpt.

A
Anonymous
November 11, 2011

Thanks, Adrian.  That's great to hear.

My company has been using RTMP and RTMPT for years and years now.  Most of our clients are users within large corporations.  Because of their firewall restrictons, our video player has logic built in to cycle through a series of ports for RTMP, then fallback on RTMPT.  If RTMPT fails, it then falls back on an HTTP psudo-streaming method using PHP.  The psudo-streaming method works great, but it is essentially a tricked out progressive download.  If HDS can remedy the need for all those fallback catches and mimic the bandwidth usage of true streaming, then I am very excited to put it in use.

But I am curious.  From the sound of it, HDS is very accommodating for video delivery.  If that is the case, why would anyone continue to use RTMP for video playback?

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