1
Scope and purpose
1.1 Scope
1.2 Requirements
1.3 Background
1.4 Conventions for this
Recommendation
2 References
2.1 Normative references
2.2 Informative references
3 Glossary
3.1 Abbreviations and
acronyms
3.2 Terms and definitions
4 Functional assumptions
4.1 Broadband access
network
4.2 Equipment assumptions
4.3 RF channel assumptions
4.4 Transmission levels
4.5 Frequency inversion
5 Communication protocols
5.1 Protocol stack
5.2 The MAC forwarder
5.3 Network layer
5.4 Above the network
layer
5.5 Data link layer
5.6 Physical layer
6 Physical media dependent
sublayer specification
6.1 Scope
6.2 Upstream
6.3 Downstream
7 Downstream transmission
convergence sublayer
7.1 Introduction
7.2 MPEG packet format
7.3 MPEG header for DOCS
data-over-cable
7.4 MPEG payload for DOCS
data-over-cable
7.5 Interaction with the
MAC sublayer
7.6 Interaction with the
Physical Layer
7.7 MPEG header
synchronization and recovery
8 Media access control
specification
8.1 Introduction
8.2 MAC
frame formats
8.3 MAC
management messages
9 Media
access control protocol operation
9.1 Upstream bandwidth
allocation
9.2 Support for multiple
channels
9.3 Timing and
synchronization
9.4 Upstream transmission
and contention resolution
9.5 Data link encryption
support
10 Quality of service and
fragmentation
10.1 Theory of operation
10.2 Upstream service flow
scheduling services
10.3 Fragmentation
10.4 Payload header
suppression
11 Cable modem – CMTS
interaction
11.1 CMTS initialization
11.2 Cable modem
initialization
11.3 Standard operation
11.4 Dynamic service
11.5 Fault detection and
recovery
12 Supporting future new cable
modem capabilities
12.1 Downloading cable
modem operating software
Annex A – Well‑known addresses
A.1 MAC addresses
A.2 MAC service IDs
A.3 MPEG PID
Annex B – Parameters and constants
Annex C – Common radio frequency interface encodings
C.1 Encodings for
configuration and MAC-layer messaging
C.2 Quality-of-service-related
encodings
C.3 Encodings for other
interfaces
C.4 Confirmation
code
Annex D – CM configuration interface specification
D.1 CM IP
addressing
D.2 CM configuration
D.3 Configuration
verification
Annex E – The data-over-cable spanning tree protocol
E.1 Background
E.2 Public spanning tree
E.3 Public spanning tree
protocol details
Page
E.4 Spanning tree parameters and defaults
Annex F – European specification additions
F.1 Scope and purpose
F.2 References
F.3 Glossary
F.4 Functional assumptions
F.5 Communication
protocols
F.6 Physical media
dependent sublayer specification
F.7 Downstream
transmission convergence sublayer
F.8 Media access control
specification
Annex G – DOCS 2.0 and 1.0/1.1 interoperability
G.1 General
interoperability issues
G.2 Hybrid devices
G.3 DOCS 2.0 TDMA
interoperability
G.4 DOCS 2.0 S-CDMA
interoperability
Annex H – The DOCS MAC/PHY interface (DMPI)
H.1 Scope
H.2 Conventions
H.3 Overview
H.4 Signals
H.5 Protocol
H.6 Electrical specifications
H.7 Timing specifications
H.8 Data format and usage
Annex I – (Set aside)
Annex J – Japan specification additions
J.1 Scope and purpose
J.2 References
J.3 Glossary
J.4 Functional assumptions
J.5 Communication
protocols
J.6 Physical media
dependent sublayer specification
J.7 Downstream
transmission convergence sublayer
J.8 Media access control specification
J.9 Media access control protocol operation
J.10 Quality of service and fragmentation
J.11 Cable modem – CMTS interaction
J.C Common radio
frequency interface encodings
J.E The data-over-cable
spanning tree protocol
Appendix I – MAC service definition
I.1 MAC service
overview
I.2 MAC data service
interface
I.3 MAC control service
interface
I.4 MAC service usage
scenarios
Appendix II – Example preamble sequence
II.1 Introduction
II.2 Example preamble
sequence
Appendix III – Multiple upstream channels
III.1 Single downstream and
single upstream per cable segment
III.2 Multiple downstreams
and multiple upstreams per cable segment
Appendix IV – DOCS transmission and contention resolution
IV.1 Introduction
IV.2 Variable definitions
IV.3 State examples
IV.4 Function examples
Appendix V – IGMP example
V.1 Events
V.2 Actions
Appendix VI – Unsolicited grant services
VI.1 Unsolicited grant
service (UGS)
VI.2 Unsolicited grant
service with activity detection (UGS-AD)
Appendix VII – S-CDMA framing
VII.1 Coded subsymbol
numbering
VII.2 Uncoded subsymbol
numbering
VII.3 Framer output
numbering
VII.4 Comments
Appendix VIII – Ambient temperature and wind loading effects
VIII.1 Synchronization
tolerances to plant delay variations
VIII.2 Change in propagation
delay due to temperature changes
Bibliography