Comtech EF Data Vipersat 564L Guía de usuario Pagina 116

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Application Switching MN/22137, rev 1
B-16 Vipersat CDD-56X Series User Guide
Application Switching
Note: This Application Switching section refers to functionality of the CDM-570/
570L modem/router. Application Switching is not available for SLM-
5650A modem/routers.
Application switching, illustrated in figure B-7, also is capable of changing
bandwidth use, but the change is determined entirely by the type of application
being requested, ignoring load requirements.
Figure B-7
Application Switching diagram
In a system configured for application switching, the Remote site modem/router
looks for a packet in the data stream coming from the LAN that is configured
using the H.323 stack protocol and containing an H.225 signaling protocol. In
the diagram above, the signal is a voice call initiated at the Remote site.
The packet is examined to determine the port number, then, from the allocated
port ranges, the modem/router determines the type of application being sent.
The modem/router sends a switch request to the VMS requesting a carrier for
the application type. Typical applications include:
Video
Voice over IP (VoIP)
NOTE
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