International Telecommunication Union
n
Next generation IPbased multimedia
services on cable TV
networks
Volker Leisse
ECCA
Pre - conference draft
ITU-T Workshop All Star Network Access
Geneva, 2-4 June 2004
un
Outline
n
un
ITU-T
o Introduction
o Advanced broadband access -
Accommodating demand for data rate
• Next generation (Euro-)DOCSIS
• Alternative access technologies
o PacketCable Multimedia -
New services in cable networks
o CASSIC Integrated digital platform
03.06.2004
2
Outline
n
un
ITU-T
o Introduction
o Advanced broadband access -
Accommodating demand for data rate
• Next generation (Euro-)DOCSIS
• Alternative access technologies
o PacketCable Multimedia -
New services in cable networks
o CASSIC Integrated digital platform
03.06.2004
3
Market drivers
n
un
ITU-T
o Exponential growth of data rate require-
ments (e.g. 10 Mbps within 3 years)
o New services with symmetric (e.g. peerto-peer, gaming) and asymmetric (e.g.
VoD, streaming) characteristics
o Service differentiation through Quality of
Service
o Platform convergence towards digital IPbased
03.06.2004
4
Requirements
n
un
ITU-T
o Enable high-end services (e.g. TV over
o
o
o
o
o
03.06.2004
IP, VoD, Conferencing, Business
communication ...)
Allow full IP penetration
Provide massive, cheap data rate
upstream and downstream
Enable flexible allocation of capacity
Integrate with A/V broadcast services
Manage integrated platform seamlessly
5
European players
n
un
ITU-T
ECCA Technical
Committee
tComLabs
Euro-Cable
Certification Board
Merger into common work item
EuroCableLabs
European standardisation in ETSI
International standardisation in ITU-T SG 9
03.06.2004
9
Outline
n
un
ITU-T
o Introduction
o Advanced broadband access -
Accommodating demand for data rate
• Next generation (Euro-)DOCSIS
• Alternative access technologies
o PacketCable Multimedia -
New services in cable networks
o CASSIC Integrated digital platform
03.06.2004
10
Next-generation
(Euro-)DOCSIS
ITU-T
n
un
o Established control protocol for
interactive services evolves towards:
•
•
•
•
Symmetric and asymmetric services
Lower cost of data rate
Improved bandwidth efficiency
Higher order modulation schemes
o Separate functionality of control and
modulation
03.06.2004
11
High-level architecture
n
un
ITU-T
MPEG /
(Euro-)
DOCSIS
QAM
Application
Sources
VoD Server
IP Switch Fabric
Internet
MPEG /
(Euro-)
DOCSIS
QAM
HFC
MPEG /
(Euro-)
DOCSIS
QAM
CMTS
Management
system
03.06.2004
Source: Telewest
12
Alternatives
n
un
ITU-T
o Extending baseband Ethernet
transmission further into HFC network
(Etth)
o Using frequency spectrum below 40 MHz
o In parallel to bi-directional
(Euro-)DOCSIS communication
o Supports high penetration rates
03.06.2004
13
Outline
n
un
ITU-T
o Introduction
o Advanced broadband access -
Accommodating demand for data rate
• Next generation (Euro-)DOCSIS
• Alternative access technologies
o PacketCable Multimedia -
New services in cable networks
o CASSIC Integrated digital platform
03.06.2004
14
IPCablecom Multimedia
n
un
ITU-T
o Enable broad service portfolio through
appropriate resource management,
signalling and accounting in access
network
o Define core architectural framework
o Enhance IPCablecom dynamic QoS and
session establishment mechanisms for
multimedia services
03.06.2004
15
Architecture
n
un
ITU-T
Policy Server
Application
Manager
Cable
Modem
Managed IP
Network
CMTS
Client
Devices
Record Keeping Server
Application Server
03.06.2004
16
Outline
n
un
ITU-T
o Introduction
o Advanced broadband access -
Accommodating demand for data rate
• Next generation (Euro-)DOCSIS
• Alternative access technologies
o PacketCable Multimedia -
New services in cable networks
o CASSIC Integrated digital platform
03.06.2004
17
ITU-T
Integrated digital
platform (1)
n
Type of Layer
Service Type
Open Standards
Application
related Layers
Convergence
of Services
MHP
un
Map Application Layers onto Transport Platform
03.06.2004
Network Layer
Multimedia
Services
IPCablecom
Data Link Layer
Data Services
(Euro-)DOCSIS
Physical Layer
Broadcasting
Services
DVB-C
18
ITU-T
Integrated digital
platform (2)
n
un
o Proposal by EU-funded project CASSIC
o Creation of integrated service platform for
delivery of multimedia services
o Leverage on existing open standards
o Accommodation of service scenarios in
transport platform with dynamic resource
allocation
o Control of transport features by
application through software platform
03.06.2004
19
Summary
n
un
ITU-T
o Cable TV networks with high capacity
and wide infrastructure potential for
emerging services
o (Euro-)DOCSIS first step towards fully IP
based platform
o Technology innovation under way to live
up to data rate requirements, signaling
and QoS issues of multimedia service
03.06.2004
20