Hi Mark,
Actually you can use your own script to broadcast to a CDN
and you don't
have to use their prebuilt tool. It only takes about 130
lines of AS (and
that includes full port/protocol negotiation). I used to be
the Senior Flash
developer at VitalStream and I put together a short sample
file that shows
how to broadcast a live stream into their network. They
don't mind people
building their own publishing solutions - it's just that
most people don't
know how to do it. You can download the code sample here if
you want (if you
are a customer this code should already be available as part
of a package
called "How to connect to VitalStream")
http://main01.hostcast.com/test/temp
/vitalstream/live_publish_example_v2.zip
You will need an active VitalStream account (obviously) in
order to test
this code.
Cheers
Will
-----Original Message-----
From: flashcomm-bounces chattyfig.figleaf.com
[mailto:flashcomm-bounceschattyfig.figleaf.com] On
Behalf Of Mark de Jong
[NetMasters BV]
Sent: Tuesday, July 11, 2006 11:12 AM
To: 'FlashComm Mailing List'
Subject: RE: [FlashComm] RE: video conference for 3000
people?
Hi Will,
A CDN is nice with short periods and high volumes, very
correct. However...
CDN's do not allow to use your own built application
(uploading your .asc
files, etc.). So this does only work of you are happy with
the 'tool' they
deliver to broadcast live streams. Unless CDN's have opened
a way of using
your own scripts (which I think is not possible)...
Kind regards,
Mark de Jong
NetMasters BV
www.netmasters.nl / www.flashhosting.nl
-----Original Message-----
From: flashcomm-bounceschattyfig.figleaf.com
[mailto:flashcomm-bounceschattyfig.figleaf.com] On
Behalf Of Will Law
Sent: dinsdag 11 juli 2006 18:47
To: 'FlashComm Mailing List'
Subject: RE: [FlashComm] RE: video conference for 3000
people?
Graeme's numbers are spot on and show that building the
infrastructure
yourself can be hellishly expensive.
This makes a great case for using a CDN, which is what we
did when faced
with a very similar scenario.
Consider one broadcast a month to 3000 people at 300kbps for
one hour. That
is (3000*300*3600/(8*1000000)) = 405GBytes of transfer. Most
CDN's would
give you that at $2.5/GB = $1012 per month. You have no
other server,
development(!!) or bandwidth costs.
If you have different numbers then plug them in, but for
very high peak
demand, it is often a good idea to avoid Adobe licensing and
make use of a
CDN.
Cheers
Will
-----Original Message-----
From: flashcomm-bounceschattyfig.figleaf.com
[mailto:flashcomm-bounceschattyfig.figleaf.com] On
Behalf Of Graeme Bull
Sent: Tuesday, July 11, 2006 8:58 AM
To: 'FlashComm Mailing List'
Subject: RE: [FlashComm] RE: video conference for 3000
people?
whoops.. Patrick, you forgot the part right after
"well suited as a
foundation for this kind of application".
It should say :
"well suited as a foundation for this kind of
application if you are loaded
with cash and don't mind paying thousands more than what it
would cost to
use other technologies"
FMS would work, but there is no way you would get away with
this with less
than 3 servers. First you get an origin server 30,000
dollars, then you get
2 edge servers 15,000 a pop. Now that you have 60,000 USD of
software, you
need the servers and then you have to pay for bandwidth.. oh
wait a sec...
3000 users did you say? Now that is all going to depend on
how much
bandwidth you are going to use because you have to either
pay for more
licenses with usage of bandwidth (on top of whatever your
provider charges
you) or user count if you want to go the free bw route with
FMS licenses. In
that case you get 150 users with unlimited BW.. hmm.. that
makes 20 licenses
at 15,000 per server license umm... *opens calc.exe* ....
300,000?
Maybe Adobe would be willing to give you a deal on that
though.
The question of the day is "Is Flash video worth that
kind of money to you?"
Graeme
-----Original Message-----
From: flashcomm-bounceschattyfig.figleaf.com
[mailto:flashcomm-bounceschattyfig.figleaf.com] On
Behalf Of Patrick Simon
Sent: Tuesday, July 11, 2006 5:35 PM
To: FlashComm Mailing List
Subject: [FlashComm] RE: video conference for 3000 people?
Yes, FMS is well suited as a foundation for this kind of
application.
With 3000 users you should consider an origin/edge (=
proxied) architecture.
Not only because the pro license model may be more expensive
with this
amount of users and the bandwidth your friend is going to
use, also the
origin/edge architecture is the better choice for live
streaming
applications of this size. In addition to this, it is
future-proof as it can
easily be extended.
The necessary architecture depends on the quality of the
stream you're
planning to broadcast. How much bandwidth does your friend
have available
for this?
The system requirements are available on the Adobe web site:
http://www.adobe.com/products/flashmediase
rver/productinfo/systemreqs/
-----Original Message-----
From: flashcomm-bounceschattyfig.figleaf.com
[mailto:flashcomm-bounceschattyfig.figleaf.com] On
Behalf Of Yi-Lei Wu
Sent: Tuesday, July 11, 2006 8:00 AM
To: FlashComm Mailing List
Subject: [FlashComm] video conference for 3000 people?
Hi list,
I am asking this question for a friend of mine, who is
building a system
that allows only 1 speaker to broadcast audio&video and
3000 viewers.
Is it possible in FMS? If so, what are the hardware/software
requirements?
Thank you.
Best regards,
Peter Wu
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