1 Scope
2
Normative References
3
Definitions
4
Abbreviations
5
Conventions
6
General Description
7
Services provided by the SSCF-COTS
8
Functions of the SSCF-COTS
9
Elements for layer-to-layer communication
9.1 Primitives between SSCF-COTS and SCF
9.1.1 Definition of primitives
9.1.2 Parameter definition
9.2 Signals between SSCF-COTS and SSCF-COTS Layer Management
9.2.1 Signal definition
9.2.2 Parameter definition
9.2.3 States at the boundary between SSCF-COTS
and Layer Management
9.3 Signals between SSCF-COTS and SSCOP
9.3.1
Definition of signals
9.3.2 Parameter definition
9.4 State transition diagram for sequences of signals at the layer
boundaries of SSCF-COTS
10 Protocol elements for
peer-to-peer communication
10.1 SSCF-COTS PDUs
10.1.1 SSCF-COTS PDUs utilizing the unassured
data transfer
10.1.2 SSCF-COTS PDUs utilizing the assured data
transfer
10.1.3 SSCF-COTS PDUs utilizing data transfer capabilities
in SSCOP connection control services
10.2 SSCF-COTS PDU formats
10.2.1 Coding conventions
10.2.2 PDU length
10.3 SSCF-COTS PDU fields
10.4 SSCF-COTS state variables
10.4.1
Transmitter state variables
10.4.2 Receiver state variables
10.4.3 Common state variables
10.5 SSCF-COTS timers
10.6 SSCF-COTS protocol parameter
11 Specification of the SSCF-COTS
11.1 Overview
11.1.1 Idle
11.1.2 Establishment and release
11.1.3 Data transfer
11.2 State transition table
11.3 SDL diagrams
Annex A – Management error indications
Annex B – Default values for SSCOP parameters and timers
Annex C – Expedited Data Transfer service
C.1 Protocol elements for peer-to-peer communication
C.1.1 SSCF-COTS PDUs
C.1.2 SSCF-COTS PDU formats
C.1.3 SSCF-COTS PDU parameter fields
C.1.4 Additional states of the SSCF-COTS
protocol entity
C.1.5 Additional SSCF-COTS state variables
C.1.6 SSCF-COTS timers
C.2 Specification of the Expedited Data service procedure
Annex D – Quality of Service parameter negotiation
D.1 Parameters and their negotiation for the “Empty” QOS set
D.2 Parameters and their negotiation for the “Standard CONS” QOS
set
D.2.1 QOS Parameters at the SSCF-COTS/SSCF-COTS
user boundary
D.2.2 Negotiation of QOS Parameters
Annex E – Supplementary specification for the SCF (Recommendation Q.923)
E.1 Adaptation of the primitive names to the Transport Service
E.1.1 Introduction
E.1.2 Abbreviations
E.1.3 Interpretation
E.1.4
X.214 type of service
E.1.5 Summary of the Sub-N-Service primitives
at the N(c)C endpoint
E.1.6 Deletion of the Reset service
E.1.7 State transition table
E.2 Selection of predicates
E.3 Mapping of the C-plane Sub-N-Service
Appendix I – T(u)-primitive sequences at the UNI for connection
establishment and release within the U-plane and their relationship to
AA-signals and SSCOP PDU sequences
Appendix II – Further considerations for the default values for
the SSCOP parameters and timers
II.1 Definitions
II.2 Goal
II.3 Frame size
II.4 Qualitative Analysis
II.4.1 Assumptions
II.4.2 Timing in the absence of errors
II.4.3 Timing for single corrupted data frame
correction
II.4.4 Timing for single corrupted POLL or STAT
PDU
II.4.5 Multiple errors
II.5 Conclusion