Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Abbreviations
4 Reference Model for System Architecture of Narrowband
  Interaction Channels in a Broadcasting Scenario (Asymmetric
  Interactive Services)
  4.1 Protocol Stack Model
  4.2 System Model
5 DVB Interaction Channel Specification for CATV Networks
  5.1 System Concept
      5.1.1 Out-Of-Band/In-Band Principle
      5.1.2 Spectrum Allocation
      5.1.3 FDM/TDMA Multiple Access
      5.1.4 Bit Rates and Framing
  5.2 Lower Physical Layer Specification
      5.2.1 Forward Interaction Path (Downstream OOB)
            5.2.1.1 Frequency Range (Downstream OOB)
            5.2.1.2 Modulation and Mapping (Downstream OOB)
            5.2.1.3 Shaping Filter (Downstream OOB)
            5.2.1.4 Randomizer (Downstream OOB)
            5.2.1.5 Bit Rate (Downstream OOB)
            5.2.1.6 Receiver power level (Downstream OOB)
            5.2.1.7 Summary (Downstream OOB)
            5.2.1.8 Bit Error Rate Downstream OOB (Informative)
      5.2.2 Forward Interaction Path (Downstream IB)
      5.2.3 Return Interaction Path (Upstream)
            5.2.3.1 Frequency Range (Upstream)
            5.2.3.2 Modulation and Mapping (Upstream)
            5.2.3.3 Shaping Filter (Upstream)
            5.2.3.4 Randomizer (Upstream)
            5.2.3.5 Pre Equalizer
            5.2.3.6 Bit Rate (Upstream)
            5.2.3.7 Transmit Power Level (Upstream)
            5.2.3.8 Upstream Burst Power and Timing Profiles
            5.2.3.9 Interference (Spurious) Suppression
            5.2.3.10 Summary (Upstream)
            5.2.3.11 Packet loss Upstream (Informative)
            5.2.3.12 Maximum Cable Delay
  5.3 Framing
      5.3.1 Forward Interaction Path (Downstream OOB)
            5.3.1.1 Signalling Link Extended Superframe Framing
                    Format
            5.3.1.2 Frame overhead
            5.3.1.3 Payload Structure
      5.3.2 Forward Interaction Path (Downstream IB)
            5.3.2.1 IB Signalling MPEG2-TS Format (MAC Control
                    Message)
            5.3.2.2 Frequency of IB Signalling Information
      5.3.3 Return Interaction Path (Upstream)
            5.3.3.1 Slot Format
      5.3.4 Minimum Processing Time
  5.4 Slot Timing Assignment
      5.4.1 Downstream Slot Position Reference (Downstream OOB)
      5.4.2 Downstream Slot Position Reference (Downstream IB)
      5.4.3 Upstream Slot Position
            5.4.3.1 Rate 256 kbit/s QPSK, 512 kbit/s 16QAM
            5.4.3.2 Rate 1,544 Mbit/s QPSK, 3,088 Mbit/s 16QAM
            5.4.3.3 Rate 3,088 Mbit/s QPSK, 6,176 Mbit/s 16QAM
            5.4.3.4 Rate 6,176 Mbit/s QPSK, 12,352 Mbit/s 16QAM
      5.4.4 Slot Position Counter
  5.5 MAC Functionality
      5.5.1 MAC Reference Mode
      5.5.2 MAC Concept
            5.5.2.1 Relationship Between Higher Layers and MAC
                    Protocol
            5.5.2.2 Relationship Between Physical Layer and MAC
                    Protocol
            5.5.2.3 Relationship Between Physical Layer Slot
                    Position Counter and MAC
            5.5.2.4 Access Modes
                    (Contention/Ranging/Fixed rate/Reservation)
            5.5.2.5 MAC Error Handling Procedures
            5.5.2.6 MAC Messages in the Mini Slots
            5.5.2.7 MAC Message Format
      5.5.3 MAC Initialization and Provisioning
            5.5.3.1 Provisioning Channel Message (Broadcast
                    Downstream)
            5.5.3.2 Default Configuration Message (Broadcast
                    Downstream)
      5.5.4 Sign On and Calibration
            5.5.4.1 Sign-On Request Message (Broadcast
                    Downstream)
            5.5.4.2 Sign-On Response Message (Upstream
                    Ranging)
            5.5.4.3 Ranging and Power Calibration Message
                    (Singlecast Downstream)
            5.5.4.5 Initialization Complete Message
                    (Singlecast Downstream)
      5.5.5 Connection Establishment
            5.5.5.1 Establishment of the First (Initial)
                    Connection
            5.5.5.2 Establishment of Additional Connections
      5.5.6 Connection Release
      5.5.7 Fixed Rate Access
      5.5.8 Contention Based Ac
      5.5.9 Reservation Access
      5.5.10 MAC Link Management
             5.5.10.1 Power, Timing and Equalizer Management
             5.5.10.2 TDMA Allocation Management
             5.5.10.3 Channel Error Management
             5.5.10.4 Link Management Messages
  5.6 Minislots
      5.6.1 Carrying Minislots
      5.6.2 Minislot framing structure
      5.6.3 Contention resolution for minislots
  5.7 Header Suppression
      5.7.1 The Suppression Scheme
      5.7.2 Suppression Algorithm
      5.7.3 Negotiation of the Suppression Scheme
      5.7.4 Suppression Header
      5.7.5 Header Suppression Messages
            5.7.5.1 Suppression Data Message
            5.7.5.2 Suppression Acknowledgment Message
      5.7.6 Suppression of RTP sessions
  5.8 Security (optional)
      5.8.1 Cryptographic primitives
            5.8.1.1 Public key exchange
            5.8.1.2 Hashing
            5.8.1.3 Encryption
            5.8.1.4 Pseudo-random numbers
      5.8.2 Main Key Exchange, MKE
      5.8.3 Quick Key Exchange, QKE
      5.8.4 Explicit Key Exchange, EKE
      5.8.5 Key derivation
      5.8.6 Data stream processing
            5.8.6.1 Payload streams
            5.8.6.2 Data encryption
            5.8.6.3 Encryption flags
            5.8.6.4 Chaining and initialization vector
      5.8.7 Security Establishment
      5.8.8 Persistent state variables
            5.8.8.1 Guaranteed delivery
      5.8.9 Security MAC Messages
            5.8.9.1 Security Sign-On (Single-cast
                    Downstream)
            5.8.9.2 Security Sign-On Response (Upstream)
            5.8.9.3 Main Key Exchange (Single-cast
                    Downstream)
            5.8.9.4 Main Key Exchange Response (Upstream)
            5.8.9.5 Quick Key Exchange (Single-cast
                    Downstream)
            5.8.9.6 Quick Key Exchange Response (Upstream)
            5.8.9.7 Explicit Key Exchange (Single-cast
                    Downstream)
            5.8.9.8 Explicit Key Exchange Response (Upstream)
            5.8.9.9 Wait (Upstream)
6 Interactive Cable STB/Cable Data Modem Mid Layer Protocol
  6.1 Direct IP
      6.1.1 Framing
            6.1.1.1 Upstream and OOB Downstream
            6.1.1.2 IB Downstream
      6.1.2 Addressing
            6.1.2.1 IP Broadcast and Multicast from STB/NIU to INA
            6.1.2.2 IP Broadcast and Multicast from INA to STB/NIU
      6.1.3 IP Address Assignment
      6.1.4 INA Interfaces (Informative)
      6.1.5 NIU/STB Interfaces (Informative)
  6.2 Ethernet MAC Bridging
      6.2.1 Framing
            6.2.1.1 Upstream and OOB Downstream
            6.2.1.2 IB Downstream
      6.2.2 Addressing
  6.3 PPP
      6.3.1 Framing
            6.3.1.1 Upstream and OOB Downstream
            6.3.1.2 IB Downstream
      6.3.2 Addressing
      6.3.3 IP Address Assignment
      6.3.4 Additional IP addresses
      6.3.5 Security
      6.3.6 INA Interfaces (informative)
      6.3.7 NIU/STB Interfaces (informative)
Annex A (informative): MAC State Transitions and Time Outs
      A.1 Initialization, Provisioning, Sign-On and Calibration
      A.2 Connection Establishment
      A.3 Connection Release
      A.4 Reservation Process
      A.5 Resource Request
      A.6 Recalibration
      A.7 Reprovision Message
      A.8 Transmission Control Message
      A.9 Status Request Message
      A.10 Idle Message
Annex B (informative): MAC Primitives
      B.1 Control and Resource Primitives
          B.1.1 On STB/CM side
                B.1.1.1 MAC_ACTIVATION_REQ
                B.1.1.2 MAC_ACTIVATION_CNF
                B.1.1.3 MAC_CONNECT_IND
                B.1.1.4 MAC_RSV_ID_IND
                B.1.1.5 MAC_RELEASE_IND
                B.1.1.6 MAC_RESOURCE_REQ
                B.1.1.7 MAC_RESOURCE_CNF
                B.1.1.8 MAC_RESOURCE_DENIED_IND
          B.1.2 On INA side
                B.1.2.1 MAC_INA_RESOURCE_REQ
                B.1.2.2 MAC_INA_RESOURCE_IND
      B.2 Data Primitives
          B.2.1 DL_DATA_IND
          B.2.2 DL_DATA_REQ
          B.2.3 MAC_DATA_IND
          B.2.4 MAC_DATA_REQ
          B.2.5 MAC_DATA_CONF
      B.3 Example MAC Control Scenarios
          B.3.1 Example MAC Control Scenario on STB/CM Side
          B.3.2 Example Resource Management Scenario on STB/CM
                Side
          B.3.3 Example Resource Management Scenario on INA Side
          B.3.4 Example Upstream Data Transfer Scenarios
Annex C (informative): Bibliography
History

Abstract

Enables a number of new features and to treat issues arising out of the implementations of the first specification.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	BROADCAS