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Star |
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The star-shaped network comprises of N VSATs and a hub. Every VSAT can transmit up to K carriers, corresponding to connections between terminals attached to the VSAT and the corresponding applications at the host computer connected to the hub station.
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| Mesh |
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The meshed network comprises N VSATs. Every VSAT should be able to establish a link to any other one across the satellite. A first approach is to have every VSAT transmitting as many carriers as there are other VSATs: the information conveyed on every carrier represents the traffic on a one-way connection from one user terminal attached to one of the VSATs to another user terminal attached to another VSAT.
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| Hybrid |
| Hybrid or Star/Mesh solution combines the centralized hub benefits of the star network topology with the direct single-hop remote-to-remote connection of the mesh network. In a star network all remote terminals have direct connectivity with the hub which is ideal for applications that terminate into a common point such as the internet, public telephone network, or corporate data centers. In a mesh network, the remote terminals are able to send IP packets directly to other remote terminals based on the destination IP address. The star/mesh remote stations use the star return channel and forward channel for mesh control messages. |
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