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8 TECHNICOLOR GATEWAY NETWORK SERVICES
DMS-CTC-20101206-0009 v1.0
8.2 Assigning a service (HTTP, FTP,...) to a Computer
Introduction
The Technicolor Gateway allows you to use one Internet connection for multiple computers. This means that all your
computers share one public IP address, as if only one computer were connected to the outside world.
Issue
When the Technicolor Gateway receives an incoming message, the Technicolor Gateway has to decide to which computer it
has to send this message.
If the incoming message is a response to an outgoing message originating from one of your computers, the Technicolor
Gateway sends the incoming message to this computer.
If your are running a server or an application that acts as a server (for example a HTTP server, Internet game), the initial
message will come from the Internet and the Technicolor Gateway has no information to decide to which computer it should
forward the incoming message.
Solution
To avoid this problem you can do either of the following:
Enable UPnP.
Assign a game or application to a local networking device.
UPnP
UPnP is a technology that enables seamless operation of a wide range of games and messaging applications. Your computer
will use UPnP to communicate to the Technicolor Gateway which services are running on the computer.
For example, when you start a UPnP-enabled application on your computer, it will automatically create the necessary port
mappings on this computer and on the Technicolor Gateway.
For more information on UPnP, see “8.1 UPnP” on page 60.
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