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When WAN Upgrades Fail to Improve Network Performance

Increasing WAN bandwidth improves north–south traffic only. Internal services continue to compete on the LAN.

Engineers should profile traffic before approving WAN upgrades. In many cases, a modest LAN upgrade produces greater performance gains than doubling internet speed.

Performance optimization starts with measurement, not assumptions.

Diagnostic approaches and tooling notes are shared here:
https://comsiam.com

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