Three questions
Moving terabytes between cloud platforms — for analytics, migration or redundancy — forces you to think about speed, cost and security together.
Speed
Throughput over the internet varies with conditions. A private cloud-to-cloud path gives consistent capacity, so you can predict when a transfer will finish.
Cost
Cloud egress pricing varies by provider, region and path. Some providers price data leaving through direct-connect services differently from internet egress. Check current rates for your clouds before designing large flows.
Security
- Encrypt data in transit, even on private paths.
- Use dedicated credentials with minimal permissions for transfer jobs.
- Log every transfer.
Integrity
Verify transfers with checksums. Large copies occasionally fail partway, and you need to know.
Scheduling
Run bulk transfers when other workloads are quiet, and throttle if needed to avoid affecting production traffic.
