 | | Re: [FlashComm] RTMP Protocol Dramatically Reduces FCS '
Value/Accessiblity | Re: [FlashComm] RTMP Protocol Dramatically Reduces FCS '
Value/Accessiblity 2004-02-10 - By Brian Lesser
Back
Hi Troy,
That's a tough question. The 96% might be down slightly because of
increasing concern about security. Most likely the number is
Macromedia's estimate based on the entire Internet and so it may may be
correct. However, corporate customers are much more likely to be behind
a firewall. The number of corporate machines that are visible on the
Internet are likely a small percentage of the 440 million machines or so
counted in Internet surveys. So both numbers - based on different
assumptions - can be correct.
Yours truly,
_Brian
Troy Hanford wrote:
>Anyone have any perspective on RTMP penetration rates?
>
>Below is a quote from the MM site. I believe it is WRONG. In fact, my
>personal research (people calling me and telling my apps don't work),
>suggests that somewhere in the 10-20% of all computers are behind
>firewalls that block RTMP, even if it is tunneled through http. And, to
>be clear, I have bent over backwards to ensure that my apps and my
>server at open to connecting over any of the ports and protocols
>available.
>
>Am I alone in this finding? Am I missing something? I doubt it. I
>hope I am wrong. Does Breeze also use RTMP?
>
>Any thoughts would be great...
>
>Thanks, Troy
>
>
>* * * * *
>
>
>FROM MACROMEDIA'S SITE:
>
>"By default, the Macromedia Flash Player communicates with the Flash
>Communication Server using RTMP protocol over port 1935. If that fails,
>it will try again over ports 443 and 80 in an attempt to workaround
>firewall settings within a company, which prevents TCP/IP connections
>over non-standard ports. The above approach allows approximately 96% of
>all users to access publicly accessible Flash Communication servers.
>
>To support closer to 100% of the users we need the Macromedia Flash
>Player to negotiate connection to the external Flash Communication
>server though a proxy server (if there is one), or use HTTP protocol to
>transmit RTMP packets (HTTP tunneling) if there is a firewall (which
>allows only HTTP content to be sent out to public servers).
>
>
>
>
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