Migration strategies

Rehosting

Aka, "lift and shift". Pick up and move to AWS.

Aka, "lift, tinker and shift". Making a few optimisations. Eg, take MySQL to RDS.

Writing new code. Strong need to add features or peformance. The highest cost in terms of planning and effort.

Looking at dropping old software and take a new contract. Eg: old DB vendor to new vendor in AWS.

Applications that could be migrated, but if they don't need to be (or it doesn't make sense to) then don't.

Dropping the software as it's no longer needed.

A physical device to move data onto AWS.

Up to 8TB. Think big external harddrive.

80 TB of disk space.

42 TB of disk space.

100 PB of storage.