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Introduction to IPTV
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Agenda of the Day
• Some Numbers About IPTV and Alcatel-Lucent’s role in IPTV
• Why IPTV ? Service Provider and Customer Side of the Picture
• How IPTV Works ? Components of IPTV
• IPTV Demo
• Career Path as an IPTV Engineer
• ALU IPTV Team in Turkey
• Questions and Answers
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1Some Numbers
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Current IPTV Subscribers Worldwide
• Analysis of Point Topic in Q4 2009 shows total 26 million subs worldwide.
• It was 15 million subs in Q4 2008, which means % 73 growth.
• SNL Kagan Analysis shows IPTV subs. Worldwide may reach 59.7mn by 2013
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Alcatel-Lucent: Unmatched Field Experience in Video Network Integration
North America Asia & PacificEurope, Middle-East, Africa,
Latin America
South America
1200 + Video Experts, 2800 System Integrators, 10,000+ Service Experts, presence in 130 countries
>100 projects worldwide
Over 7M active users on IPTV installed base, with largest implementation over 2M STBs
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Alcatel-Lucent’s Share in IPTV Market
•MRG’s Global IPTV Market Leaders Report shows; in the IPTV Access sector, Alcatel-Lucent was found to hold a 51% share of the worldwide access market, as well as furthering its strength as a systems integrator and holding the number two position in the global middleware sector behind Microsoft (which ALU works as primary E2E integrator).
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2Why IPTV ?
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Service Provider Side of the Picture
• Triple Play / Convergence : High Speed Internet, Voice Over IP and IPTV using the same IP backbone. (ALUs TPSDA)
• Even quadruple play : Mobile phones Wifi/GSM aware used at home utilizing the VOIP service at home. (flat rate)
• Service providers with triple play offering wants to offer you all these services with just one access link (xDSL,FTTH...) and IPTV is a major part of this strategy.
• AT&T ‘s $4 billion Lightspeed project is an example. ($6 billion more investment in upcoming 5 years)
• As every service is under the control of single entity (Service Provider) ensuring SLA for all these services with QoS is easy.
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Customer / End User Side of the Picture
• Competive and flat prices for end users on bundles including all these services. (HSI,IPTV,VOIP)
• No need for extra installation like satellite dish,lnb, motors etc... Mostly utilizing the old access networks. Even STBs (set-top-box) can be replaced by media centers, PCs , gaming consoles like XBOX 360.
• Single customer service point responsible for all these 3 services.
• Plus the fancy features of IPTV :
• Interactivity (Connected,social)
• PVR - Personal Video Recorder , NPVR – Network PVR, Timeshift Restart
• Watch as you need (PPV- Pay per view, VOD – Video on Demand)
• All IP Based applications can be accesible from TV. (For eg. Receive notification when you get email, IM messages etc.)
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3How IPTV Works ?
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WebTV – IPTV Difference
•Different Platforms
• Web - Public Internet
• IPTV – Secure dedicated private networks
•Georaphical Reach
• Web – Entire Internet
• IPTV – Service Provider network
•Ownership of Network Infrastructure
• Web – Internet no Qos quarantee
• IPTV – SP Network – High quality experience
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Overall Architecture of IPTV
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Live TV Headend
Headend Network Management System
LNB/RF M
atrix Switch
Satellite Analog Sources
Off-air local
channels
SDI Patch Panel
A/V Patch Panels
MPEG Encoders
STB Video Output Monitoring Station
SDI Patch Panel
A/V Patch Panels
SDI Router
A/V Router
IRD
Analog Rx
Demodulators
Redundant Encoders
N+1
ASI/IP (ATM) Encapsulator
Ethernet Switch
Real-time Encryption
A-server
BTV channels not encrypted
Full BTV channel lineup delivered to core network
One STB per BTV channel
A/V Switch
Video Monitoring
Wall
Signal Monitoring
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IRD - Integrated Receiver Decoder or Descrambler
•IRD Tunes into the frequency and outputs a single service stream.
•Uses the CA – Conditional Access Module to Descramble Encrypted content.
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Encoders - Mpeg Encoding Primer
•GOP – Group of Picture
• I Frames : Snapshots of picture – Full Image Data
• P Frames : Delta Information - Approx %40 of image data
• B Frames : Predections of how objects moved. Checks forward P frame and backward I frame, contains vector information – Max %25 data
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Encoders - Mpeg Encoding Primer
•Currently used encoding technologies in IPTV : MPEG2, MPEG4 – AVC (H264) and WM
•Output of IRD (Input of Encoder) :
• SDI Bitrate : 360 Mbit/s
• HD-SDI : 1.485 Gbit/s
•Output of Encoder - Bitrates :
• SD Channel : 3,0 Mbps
• HD Channel : 9,5 Mbps
• PIP Channel : 0,26 Mbps
• Radio : 0,25 Mbps
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IP Network and Multicast
•Core network of the SP has high bandwidth but access side we have limited bandwidth. (For eg. ADSL2+ have Max 25 MBps)
•If you put 1HD Channel – 1 VOIP Stream – 1 Mbit HSI that means approx 10Mbit per household.
•Without multicast the access network is oversubsrcibed by all the channels.
•With IGMP – Internet Group Management Protocol aware network the edge devices only send the multicast needed to the end-users.
•Most Service providers use IGMPv2 and IGMPv3 with SSM deployments.
•Inside the customer network specific protocols like PIM,DVMRP,MOSPF etc..
•Prioritization is done by QoS mechanisms.
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Multicast Primer
•Class D - Multicast (224.0.0.0 – 239.255.255.255)
•Address resolution 1-1 mapping not ARP
•IGMPv2(RFC2236) Messages :
• Join/Report
• Leave
• Query
•PIM
• Dense Mode
• Sparse Mode
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Access Networks
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Residential Gateways
•RGW = Last network point
•External Interface (DSL,Fiber etc..) – Differantiation of traffic via VC (virtual circuit)
•Internal Interface / LAN (Mostly Ethernet, HPNA : Coax or Phone cables)
•Externel – Internal Connectivity
• Bridge Mode
• Routing Mode / NAT (Network Address Translation)
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4Demo
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It’s Easy
•HD(above 100) and SD Channels(below 100)
•ICC
•EPG with PIP
• Both the full screen video and PIP window are delivered as separate PIP streams (1.5 Mbps for SD, 6 Mbps for HD and 120k for the PIP stream)
•Program Info
•Short EPG with PIP
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ICC
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It’s Personal
•Favorites
•DVR
•VOD
•SVOD
•Multiview (VOD Extras)
•Search
•Parental Controls
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It’s Connected
•Multimedia App Environment : Sports App
•News
•Home Media Sharing
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It’s Social
•Personal Portal
•XBOX Integration
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5Career Path as an IPTV Engineer
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What Skills are needed
•Headend Engineer
• Compression technologies
• Satellite Systems
• Basic Network
•Network Engineer
• Datacenter networking concepts (L3 and L2), Multi Layer Switches, Firewalls, Hardware/Software Loadbalancers
• IP Services (HTTP,DNS,DHCP,FTP,TFTP etc..)
• IP Multicast ,QoS and Basic MPLS
•System Engineer
• Windows or UNIX based systems (installation, administering, monitoring etc..)
• Database (MSSQL,MySQL,Oracle,Postgre etc..) admin. and T-SQL
• Virtualization
• PKI – Public Key Infrastructure
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What Skills are needed
•Software Engineer
• IPTV Applications (For eg : Web based apps for MR)
• OSS / BSS Applications (Using APIs Provided)
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6ALU IPTV Turkey
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ALU IPTV Turkey
•12 Integration Expert + 2 Solution Architect + Support team with 5 new members
•Istanbul IPTV Lab connected to other labs. Also contains small head-end setup.
•Worked on projects worldwide :
•Germany
•Denmark
•UAE
•Holland
•Mexico
•South Africa
•Taiwan
•Italy
•Austria
•South Cyprus
• Portugal
• Slovakia
• Malaysia
• Singapore
• Qatar
• Belgium
• United Kingdom
• Spain
• Russia
• Polland
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7Q & A Session