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Converged Cable Access Platform (CCAP) and DOCSIS 3.1
Ciscos CCAP Solutions Driving Convergence with Scalability and Density
CCAP Objectives Cisco MHA-CCAP: uBR10012 + RFGW-10Cisco I-CCAP:
cBR-81
Increased scalability & capacity
Reduced cost-per-downstream
Converged multi-service
Rack space per system 35 to 56 RU 13 RU
DOCSIS Downstream capacity Up to 1 Gbps / SG Above 1 Gbps / SG
Deployment range 1 Gbps 80 Gbps 80 Gbps 1+ Tbps
DOCSIS 3.1 Overview
Technological Potential of DOCSIS 3.1
Migrating to All IP Services
Todays Headend CCAP with Modular Headend Architecture (MHA-CCAP) Integrated CCAP Architechture
ScalabilityConvergenceMeeting CCAP Objectives
DS Range (MHz)DS QAM LevelNumber of DS ChannelsDS Capacity (bps)
US Range (MHz)US QAM LevelNumber of US ChannelsUS Capacity (bps)
DOCSIS 3.0
Now Phase 154-1002 108-1002
256 2568 24
300M 1G
5-42 5-8564 644 12
100M 300M
DOCSIS 3.1
Phase 2 Phase 3254*-1200 500*-17001024 1024158#* 200#*7G* 10G+*
5-85* 5-400*256 102412#* 60#*
400M* 2.5G*
5DSLG,3JURZWK requires scalability7UDQVLWLRQWRDOOIP drives towards convergence
Years
% of Spectrum
1
100%
75%
50%
25%
0%2 3 4 5 6 7 8 9 10
OpenIP Tra"cDigital TVAnalog
IP Services
Digital Video Services
Data VoIP
VoD
IP Video
NPVR
Linear
CMTS
SG 1
SG N
ForwardCombiner
ForwardCombiner
DOCSIS EQAM
DOCSIS Combining Network
VoD EQAM
VoD Combining Network
SDV EQAM
SDV Combining Network
Broadcast EQAM
BcastCombining Network
IP Services
Digital Video Services
Data VoIP
VoD
IP Video
NPVR
Linear
Universal EQAM
SG 1
SG N
ForwardCombiner
ForwardCombiner
DOCSIS QAM
Replication
Broadcast QAM
Replication
SDV QAMReplication
VoD QAMReplication
IP Services
Digital Video Services
Data VoIP
VoD
IP Video
NPVR
Linear
Integrated CCAP
SG 1
SG N
ForwardCombiner
ForwardCombiner
CMTS
Alternative Access
Universal EQAM
CMTS
Ine"cient EQAM capacity utilization, complex combining networks Maximize ROI, reduce OPEX, optimize UEQAM utilization, simplify combining networks
Assumptions: UEQAM capacity of 48 QAMs/Port
Further reduce rack space and power consumption
1,152 DS Channels
80 RF Ports
3,840Unique QAMs
Platform scalable to 1+ Tbps
Cisco uBR10012 CMTS
Cisco RFGW-10 UEQAM
Cisco cBR-8 Integrated CCAP
48 Gbps DOCSIS DS
10,240 Total QAMs
480 US Channels
0%
All 3 Services
50% 100%
DOCSIS
VoD
SDV
CCAP-in-Action
HFC
HFC
HFC/PONHFC
HFC HFC/PON
5 42 54 85 108 200 254 12001002860MHz
Further optimize spectrum e"ciency with backward compatibility reassurance.Achieve 1+ Gbps upstream and 10+ Gbps downstream capabilities to compete with FTTx.
25%
75%17%
33%5-200*25632#*1G*
Note: Pending CableLabs final specifications on DOCSIS 3.1 spectrum, *TBD value, #equivalent number of single-carrier QAMsNote: 1specifications pending final product release
Source: Bright House Networks, March, 2013
IP Services with DOCSIS 3.1
DOCSIS 3.1 (Upstream) DOCSIS 3.1 (Downstream)
HFC Spectrum
IP Services with DOCSIS 3.0
DOCSIS 3.0 (Upstream) DOCSIS 3.0 (Downstream)
Video ServicesAnalog/Digital VideoOOB (Upstream)
THE PREMIER MAGAZINE OF BROADBAND TECHNOLOGY s WWW.CEDMAGAZINE.COM | MAY 2013
A SPECIAL SUPPLEMENT
CCAP-in-ActionDriving Convergence with Scalability and Density
DOCSIS 3.1Extending the Gigabit-Highway to the Home