Presentation by Hanno Narjus, SVP, Video and Broadband Solutions, Teleste at ANGA COM 2013.

1. Data over Coax
The Best Last Mile Access Technology before FttH
ANGA COM 2013
4-6.6.2013
Hanno Narjus
Senior Vice President, Video and Broadband Solutions
ON EVERY STREET CORNER IN EUROPE

2. Or in Other Words:
Should your Next Generation CMTS be Installed Here?
ON EVERY STREET CORNER IN EUROPE

3. Evolution to All-IP
On-demand TV drives Moore’s law in access network
Challenges in coping with traffic growth
over next 3-5 years:
• Traffic doubles every 18 months
• All VoD subscribers will become broadband subs =>
stepwise increase in broadband capacity
• Network dimensioning to be done for the unicast TV
busy hour
• Sustained speeds up to 30 Mbps / HH
• # of QAM ports will grow 4-6 fold
• How to monetize the associated CAPEX?
• Physical size: there is no room in central office sites
• Power consumption to match the competition

4. HFC access network solutions
Centralized CMTS + segmentation
Main Headend
ACX ACX
BK
ACX
BK
Coax Network
Coax
House Network
IP Backbone
Streaming Video / VOD
Network management
Deep Fibre / FTTB
FTTH
Classical HFC
VoIP Gateway
Internet services
Local video Services
Telephony services
CXE
O
E
CXE
RT1000
O
E
CMTS EQAM
Headend
1550 nm / EDFA /
RF over Glass
Coax
House Network
Optical
House Network
1310 nm O-band /
CWDM / digital
return
CMTS EQAM
Headend
CMTS EQAM
Headend
1310 nm CWDM / 1550 nm
/ EDFA / DWDM

5. Main Headend
IP Backbone
Streaming video / VOD
Network management
Deep Fibre / FTTB
FTTH
VoIP Gateway
Internet services
Local video Services
Telephony services
IP Edge EQAM
PoP
Coax
House Network
Optical
House Network
P2p GigE / xPON
RF overlay
IP Edge EQAM
HFC access network solutions
Distributed CMTS architecture
P2p GigE / xPON
RF overlay
Data Access Hub
DOCSIS/EPoC/MoCA/G.hn
EQAM
Coax
House Network
PoP

6. CMTS
Docsis 3.0
DVB VoD
1000 HP /
segment
CCAP
Docsis 3.0
DVB VoD
250-500 HP /
segment
CCAP
Docsis 3.1
All-IP VoD
100-250 HP / segment
Spectrum upgrade (CPE,
Amps, passives)
Distributed architecture
More capacity (3.0 32 DS / 8 US
or EPOC / GPOC)
All-IP
50-100 HP / segment
Distributed architecture
Docsis 3.0
DVB VoD
100-200 HP / segment
FTTH
Distributed
architecture
Docsis 3.1 / EPOC
/ GPOC
All-IP
100 HP / segment

7. CMTS
Docsis 3.0
DVB VoD
1000 HP /
segment
CCAP
Docsis 3.0
DVB VoD
250-500 HP /
segment
Distributed architecture
More capacity (3.0 32 DS / 8 US
or EPOC / GPOC)
All-IP
50-100 HP / segment
Distributed architecture
Docsis 3.0
DVB VoD
100-200 HP / segment
An example scenario
1. CCAP to be launched for lower CAPEX + red-cell
fighting node segmentation
2. Distributed architecture for ”hot spots” in the network
• Uniform Docsis 3.0 platform (postpone 3.1 launch)
• Avoidance of spectrum upgrade major CAPEX
• Further segmentation
• Future proof optical transmission in acces
3. Launch more capacity
• Either stay at Docsis 3.0 + segmentation or
• Future technology e.g. EPOC
FTTH

8. Distributed CMTS architecture pros / cons
Benefits
• Plenty of capacity / subscriber
• Future proof metro Ethernet optical
access
• Simplified and lower CAPEX optical
access network
• Simplified DoC Access Hub
(compared to centralized CMTS / CCAP)
=> competitive CAPEX / QAM port
Drawbacks
• Less dynamic capacity allocation
across subscribers => capacity reserve
upfront investment for 3+ years
• More complexity distributed in the
network => Network Management tools
are a must to reach low OPEX
• Technology upgrade requires truck-roll
(e.g. Docsis 3.1)

9. Star and
Cascade
MoCA 2.0
DOCSIS
CATV
FM
2013
MoCA
400 /800 Mbps
Shared
Star and
Cascade
G.hn
(DOCSIS )
CATV
(FM )
2012
ITU -T
600Mbps
Shared
Network
topologies
Technology
Service co -
existance
Availability
Standardisation
organisation
Coax
Throughput
Amplifiers on
signal path
Star and
Cascade
IEEE P 1901
CATV
FM
Yes
IEEE
500Mbps
Shared
GoodGoodIngress
Robustness Good
Star and
Cascade
DOCSIS EoC
DOCSIS
CATV
FM
2012
Cablelabs
160Mbps US /
960Mbps DS
Shared
Active return
path amps , no
bypass needed
Fair
Star only
Baseband
Ethernet
CATV
2011
-
100Mbps
dedicated
Cannot exist
Excellent
Star and
Cascade
EPON over
Coax
DOCSIS
CATV
FM
Unknown
IEEE 802 .3
Ethernet
Working Group
Same as
DOCSIS
Active return
path amps , no
bypass needed
Poor
Star and
Cascade
HPNA 3.1
CATV
FM
Yes
ITU-T
discontinued
200 Mbps
Shared
Average
Bypass needed Bypass needed Bypass needed Bypass needed
(DOCSIS)
CATV
(FM)
Data over Coax technologies
Brief comparison

10. Data over Coax technologies
Conclusions
• Docsis DoC is the natural choice today in developed cable markets
• Mature standard, developed for access networks
• Wide availability and installed base of low-cost subscriber modems
• Works in existing two-way coax networks, up to 1 GHz
• Enables a smooth evolution from central-office CMTS to distributed DoC Access Hub
architecture
• MoCA and G.hn: for telecom operators targeting to operate > 1GHz
• Very robust modulation schemes – can work in poor quality coax plant
• Option to use frequencies above 1 GHz – with obvious unknowns
• Main focus on home-networking => standards do not cover needed functions (Ethernet
networking, security, provisioning, mgmt, ...) for access networks
• Do not work in coax networks with amplifiers
• EPoC is an option for the future (2014-2015?)

11. Data over Coax
Characteristics of attractive deployment scenarios
1. In conjunction with deep fibre upgrade (segment size c. 100 subs)
2. When sustained high-speed connectivity is needed
• High volume of unicast IP TV traffic
• Business subscribers
• Hospitality markets
3. Deployment of distributed CMTS in ”hot spots”
• Gradual evolution to distributed CMTS architecture
4. Small network Docsis solution
• CAPEX scales down to small number of potential subscribers
• E.g. in Central / Eastern Europe
5. Telco’s targeting housing associations
• Competitive alternative to VDSL

12. Data over Coax
Summary
• On-demand TV services will generate exponential growth in traffic
• Data over Coax is a promising next generation architecture
• High capacity for the typical FttLA / FttB segment sizes
• Future proof investment in Ethernet optics
• When sustained high-speed connectivity is demanded
• Interesting migration scenarios can be identified for deployments starting today
• Cable ops: evolution starting from hot-spot segments
• Telco’s: housing associations market
• Hospitality, B2B customers, backhaul for WiFi hotspots
• Further studies needed on e.g.:
• E2e CAPEX comparisons
• Provisioning and maintenance business processes

13. Thank You!
Q & A
ON EVERY STREET CORNER IN EUROPE