The research project MUSE defined a QoS concept in Phase I which was further worked out in another research project PLANETS. The new idea of this solution is to agree on a discrete jitter value per QoS class which is imposed on network nodes. Including best effort, four QoS classes were defined, two elastic and two inelastic. The solution has several benefits:
* End-to-end delay and packet loss rate can be predicted
* It is easy to implement with simple scheduler and queue length given in PLANETS
* Nodes can be easily verified for compliance
* End users do notice the difference in quality
The MUSE project finally elaborated its own QoS solution which is primarily based in:
* The usage of traffic classes
* Selective CAC concept
* Appropriate network dimensioning
* End-to-end delay and packet loss rate can be predicted
* It is easy to implement with simple scheduler and queue length given in PLANETS
* Nodes can be easily verified for compliance
* End users do notice the difference in quality
The MUSE project finally elaborated its own QoS solution which is primarily based in:
* The usage of traffic classes
* Selective CAC concept
* Appropriate network dimensioning
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