1
Scope
2 References
3 Abbreviations
4 Performance model
4.1 Measurement points and connection
portions
4.2 Cell-based ATM reference events
4.3 Frame-based ATM reference events
4.4 Layered nature of B-ISDN performance
5 ATM cell transfer outcomes
5.1 Successful cell transfer outcome
5.2 Tagged cell outcome
5.3 Errored cell outcome
5.4 Lost cell outcome
5.5 Misinserted cell outcome
5.6 Severely errored cell block
outcome
5.7 Successful and corrupted frame
outcomes
6 ATM performance parameters
6.1 Cell error ratio
6.2 Cell loss ratio
6.2.1 CLR0
6.2.2 CLR0+1
6.2.3 CLR1
6.3 Cell misinsertion rate
6.4 Severely errored cell block ratio
6.5 Cell transfer delay
6.5.1 Mean cell transfer delay
6.5.2 Cell delay variation
6.6 Cell flow related parameters
6.7 Frame-based ATM parameters
7 Network performance when some
cells are non-conforming
7.1 A method for computing the number
of non-conforming cells
7.2 Upper bounding the number of
non-conforming cells
7.2.1 Bounding cell non-conformance for a single peak cell rate specification
7.2.2 Bounding cell non-conformance for independent peak cell rate
specifications
7.2.3 Bounding cell non-conformance for dependent, coordinated cell rate
specifications defined on the aggregate cell stream
7.2.4 Bounding cell non-conformance for dependent, coordinated cell rate
specifications defined on the aggregate and on the CLP = 0 substream
7.3 Adjusted CLR performance when
there are non-conforming cells
7.3.1 CLR when the conformance specification applies to a single cell stream
7.3.2 CLR when the conformance
specification applies to the aggregate and the CLP = 0 substream
7.4 Non-conforming cells and the
severely errored cell block outcome
8 Network performance objectives
8.1 General discussion of
per-connection QoS
8.2 QoS classes
8.2.1 Nature of the network performance objectives
8.2.2 Statistical estimation issues
8.2.3 Unbounded (unspecified) performance
8.2.4 Default values for cell error ratio, cell misinsertion rate, and
severely errored cell block ratio
8.2.5 Association of QoS classes with ATM transfer capabilities
8.3 Alternative QoS negotiation
procedures
9 Allocation of the performance
objectives
9.1 General principles of allocation
9.2 Route length calculation
9.3 Allocation of the QoS class 1 and
QoS class 5 CTD objectives
9.4 Allocation of the QoS class 1 CDV
objective
9.5 Allocation of the QoS class 5 CDV
objective
9.6 Allocation of the SECBR and CER
objectives
9.7 Allocation of the QoS class 1 and
QoS class 5 CLR objectives
9.8 Allocation of the QoS class 2 and
QoS class 3 CLR objectives
9.9 Allocation of the CMR objective
9.10 Concatenation of QoS values
Annex A -
Relationship between ATM layer NP and the NP of AAL type 1 for CBR services
A.1 Possible AAL functions and their
effects
A.1.1 Lost cell outcome and misinserted cell outcome
A.1.2 Errored cell outcome
A.1.3 Cell transfer delay
A.2 Bounding relationships between NP
parameters and binary errors
Annex B - Cell transfer delay, 1-point CDV, and 2-point CDV characteristics
B.1 Components of delay associated
with ATM-based user information transfer
B.2 Relationship between cell clumping
and cell queues
B.3 1-point CDV and
non-conformance
B.4 Relationship between cell transfer
delay and cell loss in a single shared buffer
Annex C - Cell
transfer performance measurement methods
C.1 Performance measurements and
availability
C.2 General aspects of performance
monitoring using OAM cells
C.3 General aspects of out-of-service
performance measurement
C.4 Cell error ratio
C.5 Cell loss ratio
C.6 Cell misinsertion rate
C.7 Severely errored cell block ratio
C.8 Cell transfer delay
C.9 Cell delay variation
C.10 Estimation of CLR and SECBR in
case of lost FM OAM cells
Annex D -
Signalling QoS Preferences
D.1 Signalling preferences for a QoS
class
D.2 Signalling of individual
parameters
D.2.1 Interpretation of the fields that contain supplementary information
about individual parameters
D.2.2 Limits on the applicability of fields containing supplementary
information about individual parameters
Appendix I -
Assessing the performance of a UPC/NPC mechanism
Appendix II -
Hypothetical reference connections for validating the ATM performance
objectives
II.1 Number ATM nodes in the HRXs
II.2 Switching speeds in the HRXs
II.3 Loading within the HRXs
II.4 Geostationary satellites within
the HRXs
II.5 Other aspects of the HRXs
Appendix III - Example applications
of the allocation rules of 9.6, 9.7 and 9.8
Appendix IV - Interworking with downstream ATM Forum domains
IV.1 ATM Forum service categories
IV.2 ATM Forum fields for signalling of
individual performance parameters