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2.2.4. WAN Topologies
WAN connects geographically separated sites. Common topologies:
- Point-to-point: Direct link between two sites
- Hub-and-spoke: Central site connects to all branch sites
- Full mesh: Every site connects to every other site—maximum redundancy, but n sites need n(n−1)/2 links, so cost and complexity grow quickly as sites are added
- Partial mesh: Some direct connections, others through hubs
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Written byAlvin Varughese
Founder•20 professional certifications