Cable TV Report: DOCSIS 3.0

Minnesota Ultra High-Speed Broadband Taskforce

December 19, 2008

David DiersVice President of Advanced Services

Comcast Twin Cities Region

Comcast in the Marketplace

• Most HD video choices; largest residential broadband provider; fourth largest phone company

• Nation’s leading fiber optic network• $400 million fiber optic network upgrade in the Twin

Cities Region• Advanced local network monitoring and reliability• Fastest broadband speeds for residential and

business

Reuters April 2, 2008

“Comcast, the largest US cable television operator, said it has started offering a super-fast Internet service. The new premium service was launched in the Twin Cities areas of Minneapolis-St. Paul, and marks a leap in connection speeds for Comcast. The new service offers speeds starting at 50 megabits per second . . . “

Comcast Rolls out Super-fast Internet Speeds

Minnov8 October 22, 2008

“Comcast today announced it is making the leap from broadband to wideband with the launch of next-generation DOCSIS 3.0. With wideband, Comcast will introduce a brand new echelon of Internet speed tiers, which will redefine the customer experience online and create a platform for Internet innovation in the years ahead.”

From Broadband to Wideband

Minneapolis Star Tribune Oct 21, 2008

“Twin Cities customers are the first in the nation to get the boost in high-speed Internet.”

Comcast Boosts Speeds;Holds Prices

Residential

NODENODE

HFC

HFC

Commercial

HFC

HFC

MDUsNODENODE

Seattle L3

Sacramento

L3

San Jose L3

Los Angles L3

Denver L3

Denver

QWEST

Santa Teresa L3

Dallas L3

Omaha L3

Indianapolis L 3

Nashville

L3

Atlanta L3

Pittsburg L3

McLean L3

Philadelphia L3

New York L3

Boston L3

Miami L3

CRS-8

CRS-1

CRS-8

CRS-1CRS-1

CRS-1CRS-1

CRS-1

CRS-8

CRS-1

CRS-8

CRS-8

CRS-8

CRS-8

CRS-8

3

3

CRS-1

CRS-8

CRS-8

CRS-8

Portland L3

2

2

2

Eugene L3

Boise L3 Edison

Rocky FordCRS-8

Louisville

Little Rock

Raleigh

Tucson

Charlotte

Reith L3

2

Tionesta

2 Bakersfield

1 Orlando

4

2

CRS-8

4

CRS-1

CRS-83

4

3

3

4

4

3

3

3

4

3

3

3

3

3

3

3

23

3

3

3

2

3

3

2

2

5

3

2

2

2

2

2

3

2

3

CPAccessMetroNational / GlobalThird Party

Comcast Network

CRAN

CRAN

CRAN

INTERNET

CONTENTPROVIDERS

TELCOs

MSOs

HFC Network

PC DocsisModem

PC DocsisModem

PC DocsisModem

Fiber Node (500 HP)

DistributionHub (25K HP)

uBR

InternetInternet

Master Headend

GSR

Router

Switch

DHCP DNS

Receiver

Upstreamsignal from subscribers

Transmitter

Downstreamsignal to subscriber

Over 418 Terabytes of information and entertainment into an average Over 418 Terabytes of information and entertainment into an average household every month – equivalent to 20 Libraries of Congress!household every month – equivalent to 20 Libraries of Congress!

Channel Bonding for Broadband

Increased speeds 100Mbps+

Significant reduction in cost per bit

6 MHz 6 MHz 6 MHz 6 MHz

38

Mb

ps

38

Mb

ps

38

Mb

ps

38

Mb

ps

~160 Mbps~160 MbpsLogical Channel Bonding TechnologyLogical Channel Bonding Technology

DOCSIS 3.0 is the next generation of the DOCSIS standard

Downloading with New Speed Tiers

Size Extreme50 Mbps

Ultra22 Mbps

Performance12 Mbps

HD Movie 6 GB 16 Mins 36 Mins 67 Mins

DVD 4.7 GB 12 Mins 28 Mins 52 Mins

SD Movie 2 GB 5 Mins 12 Mins 22 Mins

CD ROM 700 MB 1 Min

52 sec

4 Mins 8 mins

MRI Scan

Hi-Res Image 100 MB 16 sec 36 sec 1 Min 7 sec

Note: Many factors affect speed. Actual speeds may vary. Speeds calculations do not include PowerBoost. PowerBoost provides additional speed to the Performance and Ultra Tiers (download speeds of up to 15 Mbps with Performance and up to 30 Mbps with Ultra).

Questions?