1 Scope
2 References
2.1 Normative references
2.2 Informative references
3 Abbreviations and terminology
3.1 Abbreviations
3.2 Terminology
4 Introduction
5 Traffic parameters and descriptors
5.1 Definitions
5.1.1 IP packet classification
5.1.2 IP flow and IP subflow
5.1.3 Traffic parameter
5.1.4 Traffic descriptor
5.1.5 Traffic contract
5.2 Requirements on traffic parameters
and traffic descriptors
5.3 Traffic parameter specifications
5.3.1 Reference configuration
5.3.2 Traffic parameter description
6 IP transfer capabilities
6.1 Dedicated Bandwidth (DBW) transfer
capability
6.1.1 Description
6.1.2 Service model
6.1.3 Traffic descriptor
6.1.4 Conformance definition
6.1.5 QoS commitments
6.2 Statistical Bandwidth (SBW)
transfer capability
6.2.1 Description
6.2.2 Service model
6.2.3 Traffic descriptor
6.2.4 Conformance definition
6.2.5 QoS commitments
6.3 Best effort (BE) transfer
capability
6.3.1 Description
6.3.2 Service model
6.3.3 Traffic descriptor
6.3.4 Conformance definition
6.3.5 QoS commitments
7 Functions for traffic control, congestion control, and
overload treatment
7.1 Traffic control functions
7.1.1 Network resource management
7.1.2 Admission control
7.1.3 Parameter control
7.1.4 Packet marking
7.1.5 Traffic shaping
7.1.6 Packet scheduling
7.2 Functions for congestion control
and overload treatment
7.2.1 Packet discard control
7.2.2 Explicit Congestion
Notification
8 Methods and tools for IP traffic
engineering
Annex A – The Token
Bucket and the Generic Byte Rate Algorithm (GBRA)
A.1 The token bucket
A.2 The continuous-state token bucket
A.3 The Generic Byte Rate Algorithm
A.4 The virtual scheduling byte rate
algorithm
A.5 The continuous-state leaky bucket
byte rate algorithm
Annex B – Behaviour
of two coordinated Generic Byte Rate Algorithms
Appendix I –
Illustration of Token Bucket behaviour
I.1 Characterization of a flow with a single rate
and a single token bucket
I.2 Characterization of a flow with two rates and two token buckets (Bp < Bs)
I.3 Characterization of a flow with two rates and two token buckets (Bp > Bs)
Appendix II –
Relation between IPTC/QoS class and IETF IntServ/DiffServ-specification
II.1 Dedicated BandWidth IPTC
associated with a suitable QoS class
II.2 Statistical BandWidth IPTC
associated with a suitable QoS class