Electronica

Incrementado el Ancho de Banda en
Redes de Cable
Incrementing Bandwidth in the Cable
Network
CANITEC – Mexico 2009
Jesus Alberto Lopez R., CISSP

Director, Certifications, CableLabs

Overview
•
•
•
•
•
•

Bandwidth trends
DOCSIS 3.0
Analog Spectrum Reclamation
Switched Digital Video
Other techniques
Questions

Cable Television Laboratories, Inc. 2008. All Rights Reserved.Proprietary/Confidential.

2

Overview
• Bandwidth trends
•
•
•
•
•

DOCSIS 3.0
Analog Spectrum Reclamation
Switched Digital Video
Other techniques
Questions

Cable Television Laboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.

3

Bandwidth consumption trends
New services and technologies promotes new
demands from our customers
»
»
»
»
»

IPbased content is experience uncontainable growth
Teleconference / Video Conferences / Video Phone
IPTV / Other video (i.e. YouTube)
Business / Commercial services
Gaming services / Peer to Peer

Customers wants more; and after they experience it,
becomes part of the “normal” expectation
Cable Television Laboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.

4

Couldthis be true?
Headlines from Light Reading
1870s
• The telephone will be used to inform people that a
telegram has been sent
• This telephone has too many shortcoming to be
considered as a means of communication. The
device is inherently of no value to us

Cable Television Laboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.

5

Could this be true?
Headlines fromLight Reading
1948
• Television won't last. It's a flash in the pan
1949
• Computers in the future may perhaps only weigh 1.5
tons
1962
• Transmission of documents via telephone wires is
possible in principle, but the apparatus required is so
expensive that it will never become a practical
proposition
Cable Television Laboratories, Inc. 2008. All Rights Reserved.Proprietary/Confidential.

6

Could this be true?
Headlines from Light Reading

1977
• There is no reason why anybody
would want a computer in their
home

Cable Television Laboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.

7

Overview
• Bandwidth trends

• DOCSIS 3.0
•
•
•
•

Analog Spectrum Reclamation
Switched Digital Video
Other techniques
Questions

CableTelevision Laboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.

8

DOCSIS and Services Evolution
DOCSIS Version

DOCSIS 1.0

DOCSIS
1.1

DOCSIS 2.0

DOCSIS 3.0

X

X
X
X

X
X
X
X
X
X
X

X
X
X
X
X
X
X
X
X
X
X

X

X
X
X

X
X
X
X

X
X
X
X
X
X

Services
Broadband Internet
Tiered Services
VoIP
Video Conferencing
BusinessServices
T1 Voice and Data Services
Private Networks for Business-L2VPN
Entertainment Video (Switched Digital
Video)
Downstream Channel Bonding
Source Specific Multicast
QoS for IPTV Multicast
Consumer Devices
Cable Modem
VoIP Phone (MTA)
Residential Gateway
Video Phone
Mobile Devices
IP Set-top Box
Cable Television Laboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.9

DOCSIS 3.0 Network Benefits
• Higher data rates
» Channel Bonding

• More subscribers per channel
» Statistical Multiplexing from Channel Bonding

• Better bandwidth utilization
» Source Specific Multicast
» Multicast header suppression

• High Quality IP Video
» Multicast Quality of Service

• More addresses when you need them
» IPv4 and IPv6 Support
Cable TelevisionLaboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.

10

DOCSIS 3.0 Network Benefits
• Enhanced security
» 128 bit AES encryption
» Increased CM provisioning process security

• Option to increase upstream bandwidth
» Option for 5-85 MHz upstream support

• Powerful reporting to manage traffic
» CM Diagnostic Log
» IPDR Streaming protocol

• Enhanced tools to...