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Star Topology
Devoted point-to-point links to central controller (hub)
Controller acts like exchange
Advantages
- Less expensive
- Robustness
Disadvantages
- More cabling requirement in comparison ring and bus topologies
1. Suppose the datagram source allocates 12 bytes for this option. Then when the datagram leaves the source host, the RR option area will be like this: 7 12 4 0 0 0 0 0 0 0 0 0
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