Four datacenters, one cloud.
A national logistics operator needed to leave four ageing datacenters behind — without a single customer ever noticing.
The challenge
Continental Freight ran its dispatch, tracking, and billing systems across four leased datacenters approaching end-of-life. Leases were expiring, hardware was out of support, and every quarter of delay added cost and risk. But the systems were load-bearing: a customer-visible outage during the move was simply not acceptable.
The estate had also accreted over fifteen years. No single person held the full dependency map, and several systems talked to each other in ways nobody had documented.
Our approach
We began with discovery: a dependency map of all 180+ workloads and a total-cost-of-ownership model comparing rehosting, replatforming, and retirement for each. A surprising number of systems were candidates for retirement rather than migration.
We built AWS landing zones as infrastructure-as-code, then migrated in waves sequenced around the freight calendar — never during peak dispatch windows. Each wave had a rehearsed rollback plan, and we proved every wave in production before starting the next.
The outcome
All 180+ in-scope workloads were migrated over nine months with zero customer-visible incidents. Decommissioning the four datacenters and right-sizing in the cloud cut infrastructure cost by 34%.
Continental Freight inherited a documented, code-defined estate and moved into a managed-operations relationship for ongoing care.
“Four datacenters migrated in nine months. Not a single customer-visible incident. ParityFox doesn’t oversell — they overdeliver, quietly.”
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