Summary
Asynchronous
Transfer Mode (ATM) is the hottest network to technology in the marketplace,
enabling extremely high-speed transmission of all user traffic, including
voice, data and video. The UNI3.1 standard enables developers to build
equipment that will fully interoperate in today's public and private ATM
network environments. This is the only authoritative guide to this new
standard, by The ATM Forum, the industry-led consortium that created it.
1. Introduction.
Purpose of
Document. Scope of Document. Structure of Document. Terminology. ATM Bearer
Service Overview. User–Network Interface Configuration. User–Network Interface
Protocol Architecture.
2. Physical Layer
Interfaces Specification.
SONET STS–3c
Physical Layer Interface. DS3 Physical Layer Interface. Physical Layer
for 100 Mbps Multimode Fiber Interface. Physical Layer for 155 Mbps Interface.
E3 Physical Layer Services. E4 Physical Layer Interface.
3. ATM Layer Specification.
ATM Layer Services.
Service Expected from the Physical Layer. ATM Cell Structure and Encoding
at the UNI. ATM Layer Functions Involved at the UNI (U–plane). ATM Layer
Management Specification (M–plane). Traffic Control and Congestion Control.
4. Interim Local
Management Interface Specification.
Interim Local
Management Interface (ILMI) Functions. ILMI Service Interface. Simple Network
Management Protocol (SNMP). Management Information Base (MIB) Model for
ILMI Managed Objects. Relationship to Other MIBs. Actual MIB. ILMI Protocol.
5. UNI Signalling.
General. Overview
of Call Control. Message Functional Definitions and Contents. General Message
Format and Information Element Coding. Call/Connection Control Procedures
For ATM Point-to-Point Calls. Call/Connection Control Procedures for Point-to-Multipoint
Calls. List of Timers. Address Registration. Signalling ATM Adaptation
Layer (SAAL).
References
Annex A: Guidelines
for Use of ATM Address Formats.
Annex B: Compatibility
Checking.
Annex C: B–LLI
Negotiation.
General. B–LLI
notification to the called user. B–LLI negotiation between users. Alternate
requested values.
Annex D: Transit
Network Selection.
Selection not
supported. Selection supported.
Annex E: Cause
Definitions.
Annex F: ATM
Adaptation Layer Parameters Negotiation.
General. ATM
adaptation layer parameter indication in the SETUP message. Maximum CPCS–SDU
Size negotiation. MID range negotiation. Use of Forward and Backward Maximum
CPCS–SDU Size by the AAL entity in the user plane.
Appendix A: A Quality
of Service Guidelines.
Introduction.
QoS Reference Configuration. ATM Performance Parameters. QoS Classes. Measurement
Methods. Factors Affecting ATM QoS Performance Parameters.
Appendix B: Conformance
Examples in a Traffic Contract.
Introduction.
Example 1: Switched Multi–megabit Data Service (SMDS). Example 2a: Frame
Relay Service (FRS). Example 2b: Frame Relay Service (FRS). Example 3:
Constant Bit Rate Services. Example 4: LAN Interconnection.
Appendix C: Point–to–Mulitpoint
Signalling Procedures Using Separate State Machines (Informative).
Introduction.
Description of the Separate State Machines. Information Flows for Point–to–Multipoint
Communication.
Appendix D: Example
Signalling Codings.
ATM Adaptation
Layer Parameters. Broadband Bearer Capability. Broadband Low Layer Information.
Appendix E: Differences
with ITU–T draft Recommendation Q.2931.
Appendix F:
Guidelines on the use of Bearer Class, Traffic Parameters and QoS.
Bearer Class.
Allowed Combination of Bearer Capabilities, Traffic Parameters, and QoS.
Appendix G: OAM
Cell Error Detection Code Field.
Appendix H:
Glossary.
copyright©
1997 Prentice-Hall Canada
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