Request SPECification

A Request SPECification (RSPEC) is part of a Flow Specification, and defines the requirements for a flow.

Different possible service types:

Type	Description	Examples
Best Effort	No guaranteed level of service.	WWW, FTP
Controlled Load	Behaves as Best Effort for an network without load.
Guaranteed	Guarantees a minimum level of service, but no benefit would be provided by higher levels.	Real-time control, latency and delay.
Qualitative	Not imediately quantifiable, but better than Best Effort.