IT Outsourcing vs IT Project Agreement - Whats the differences?

Here are the differences:
IT Outsourcing is distinct from other services outsourcing
- IT evolves rapidly making sourcing decisions highly volatile.
- Underlying economics of IT changes rapidly.
- IT is tightly integrated with other organisational functions.
- Switching costs are often prohibitive.
- IT Outsourcing clients are still highly inexperienced.

IT Outsourcing is distinct from other IT Agreements
- Outsourcing is a long-term alliance between the customer and supplier(s).
- Management controls for services rendered resides externally with the supplier.