Ancho de banda

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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.

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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.

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Bandwidth consumption trends
New services and technologies promotes new demands from our customers
» » » » » IP based content is experienceuncontainable 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.

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Could this be true?
Headlines from Light Reading1870s • 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 from Light Reading 1948 • Television won't last. It's aflash 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 LightReading

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

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

8

DOCSIS and Services Evolution
DOCSIS Version Services Broadband Internet Tiered Services VoIP Video Conferencing Business Services 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 VideoPhone Mobile Devices IP Set-top Box
Cable Television Laboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.

DOCSIS 1.0

DOCSIS 1.1 X X X

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
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DOCSIS 3.0 Network Benefits
• Higher data rates
» Channel Bonding

• More subscribers per channel
» StatisticalMultiplexing 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 Television Laboratories, Inc. 2008. All Rights Reserved. Proprietary/Confidential.

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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 detect plant problems
» Enhanced signal quality monitoring
Cable Television Laboratories, Inc. 2008. All Rights Reserved....
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