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7. Channels and Signage Networks
Create ad hoc content in the same way as you would a normal part of a layout. Local ad hoc users can then log into their
subscriber player and change that content.
Ad hoc from center is similar to regular ad hoc in that it allows a user to log in to change an element of the signage display
quickly and easily. However, instead of the user making ad hoc changes on the subscriber player, with ad hoc from center the
user can make changes on the iCC. Consequently, the subscribers to that iCC upload the ad hoc from center changes to the
channel. When configuring those subscribers, you might want to set their polling interval to a shorter period so that ad hoc from
center updates arrive more quickly.
7.3 Channel Content Servers
The iCC itself is a channel content server. However, in certain situations, a better solution might be to use an external file
server.
An alternative is to use an external Channel Content Server (CCS) to offload channel distribution processing from your iCC.
Each subscriber player polls the CCS for the latest channel content in the same way it would poll the iCC directly.
How you publish your channels depends on the number of subscriber players and the network they are connected to:
How to Publish
On the iCC
Using a USB memory stick You publish channel files onto USB memory sticks.
Using an external CCS
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Description
You store channel files on the iCC and subscribers
download them using HTTP, HTTPS
(recommended), or FTP.
You distribute the sticks to each subscriber, which
automatically reads the channel from it.
You have to perform this process every time you
update the channel.
You use the iCC to publish content to an external
CCS using FTP. The CCS makes the files available
to the subscribers, either through HTTP, HTTPS
(recommended), or FTP.
When Would You Use This Method?
You have up to 500 subscribers in a network
with no special network topology requirements.
The iCC bandwidth limiting feature is there to
help as the numbers approach that limit (see
Firewall
for more details).
This method requires no extra hardware.
Your subscribers are not connected to a network
or you do not want to publish the channel
through a network.
One or more of these factors is true:
Access to the subscriber domain is limited for
l
security reasons.
Groups of content need to be physically
l
separated from each other.
Content needs to be locally cached to reduce
l
network congestion or to prevent
consumption of expensive bandwidth.
This method:
Allows you to create the network structure
l
you need.
Easily ties this into your existing server
l
hardware or web host.
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