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In the small and midsize campus network design based on the Huawei CloudCampus Solution, when over 100 branches need to communicate with each other, which of the following interconnection networking models is recommended?
Comprehensive and Detailed
Hub-Spoke networking is the most efficient and scalable model for interconnecting 100+ branches in a small and midsize campus network.
Why Hub-Spoke?
Centralized Control: A hub router manages communication between spoke routers (branch sites).
Reduced Complexity: Unlike full-mesh, which requires N(N-1)/2* connections, hub-spoke minimizes link costs.
Easier Management: Policy enforcement and security are centralized at the hub site.
Why Not Other Options?
A (Direct Networking) Suitable for small networks, but inefficient for 100+ branches.
B (Full-Mesh Networking) High cost and complexity, requiring too many links.
D (Partial-Mesh Networking) More scalable than full-mesh, but hub-spoke is more optimized for large branch networks.
Reference: Huawei HCIE Datacom -- WAN Interconnection Models
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