Many spoke VPCs must interconnect through a hub rather than a full mesh of individual peerings. Which approach scales that design?
Select an answer to reveal the explanation.
Short Explanation
A full mesh of peerings gets messy fast—like every department insisting on its own private road to every other department. A transit hub is the central roundabout that spokes plug into. That hub-and-spoke pattern scales cleaner than n-squared peerings.
Full Explanation
Transit gateways and similar hub-and-spoke interconnects allow many VPCs to connect through a central transit layer instead of maintaining a full mesh of peerings. This simplifies routing management as the number of spokes grows. Overlapping CIDRs and unmanaged full-mesh designs create operational and addressing problems.