IPTV : : Network requirements for IPTV services & its challenges

Transcription

1 MTNL IPTV : : Network requirements for IPTV services & its challenges Jitendra Garg DGM- TF CWG MTNL-Delhi April 17, 2015 Jitendra Garg DGM( TF CWG )

2 Triple Play Now Happening Video ADSL Modem IPTV Set Top Box (STB) Landline ADSL Splitter Internet Voice service 2 2

3 CUSTOMER INTERFACE A/V Interface on TV 3 3

4 Solution Architecture April 17, 2015 Jitendra Garg DGM( TF CWG )

5 Broadband Delivery Mechanism Content Delivery Platform ADSL 2+ Splitter IP/MPLS Core ADSL2+ Modem PC TV DSLAM Set Top Box LAN switch NOC Switch Functions of Splitter, Modem and Set Top Box may be combined in a box. 5 5

6 CDN NOC CENTRE ADSL DATA CENTRE NOC switch NOC switch NOC switch NOC switch CDN Network with MPLS M P L S BRAS BRAS BRAS BRAS Multicasting IGMP snooping / PIM-DM Caching server Tier-1 switch Tier-1 switch Caching server Tier-1 switch Tier-1 switch Tier-2 switch Tier2- switch Tier-2 switch Tier-2 switch Tier-2 switch DSLAM DSLAM DSLAM DSLAM DSLAM CPE CPE CPE CPE CPE CPE CPE 6 6

7 CDN Components

8 Content Delivery Platform components Broadcast Head End On Demand Server Live Video/Audio Content Protection System Middleware Billing Broadband Network Games Server Multicasting Video Conferencing IGMP / PIM PIM is multicast routing protocol 8 8

9 Transcoder KU Band 12 to 18 GHz C Band 4 to 6 GHz Real-Time Satellite Channel Live Streaming Server DVB Receiver MPEG-2 Live MPEG-2 TS To MPEG-4 IP Stream Conversion MPEG-4 IP Stream Real-Time MPEG-4 IP Stream Multicasting N/W Backbone 9 9

10 C-band and Ku-band dish antennae Receiver / Decoder bank Broadband Network Multicast IP Video Headend MPEG-2 Encoders MPEG-4 Video Encoders Content Protection System (CPS) Billing Middleware Audio feed/reception Audio Encoders To Storage for Deferred TV Broadcast Signals are encoded into MPEG-4 or VC-1 format which can be Mbps Middleware provides the Electronic Program Guide (EPG) CPS provides the subscriber s right for requested channels 10 10

11 Middleware CPS Billing Content from Broadcast Headend and On Demand server Content to Broadband network Communication with various servers Communication with STB/CPE Complex Integration 11 11

12 Studio Content from any format should be MPEG-4 /VC-1 converted to MPEG-4/VC-1 format. Studio provides equipment for conversion of Beta tapes and other formats to MPEG-4 / VC-1 Provides live recording facilities Provides Video/Audio Switching, Mixing, Editing facilities Facilities for Repurposing, Promos, advertisements etc

13 Broadband Network Unicast IP On Demand Servers Central On-Demand server/storage MPEG-4 Content Storage SAN Streaming Servers Content Protection System (CPS) Billing Middleware Content in MPEG-4 /VC-1 format Content Management System Edge server/storage Edge servers are deployed in the network for high demand content Middleware / Content Mgmt. Provide title search for user CPS authenticates the subscriber s right for requested content Billing server facilitates the subscriber credit details Back office processes billing, April 17, 2015 Jitendra Garg DGM( provisioning, TF CWG ) activation, monitoring 13 13

14 Performance & Video Quality Testing

15 ADSL2+ Potential Data Rate, Mbps (downstream) 24 Enhancements to traditional ADSL ADSL2+ Feature Approved by ITU-T in July 2002 Operate within 2.2Mhz spectrum Minimized disturbance to/from ADSL Maximum performance (Down/Up) 20 Mbps/1Mbps 12 ADSL2+ Boost Maximum performance (Down/Up) 12Mbps/1Mbps or 8Mbps/3Mbps Improved DSL Access to both Residential and Business users 8 ADSL2 Provides ADSL service over longer loop lengths ADSL ADSL2(annex L) 1 Km 2 Km 3 Km 4 Km 5 Km 6 Km Loop Length, Km 15 15

16 Adoption Of Latest Compression Technology 16 16

17 No Packet Loss 17 17

18 Effect of 0.01% Packet Loss Would you pay for this service? 18 18

19 Effect of 1% Packet Loss 19 19

20 Network/Service Challenges Video Head End Poor content quality from video provider. Error Correction Performance/fibre PCR Jitter from encoder or Head End problem VOD source. MGW/VoIP Hub Office Peering Mis-provisioning VoD PID mappings or data table mappings from video source Sync Issues Bandwidth misconfig. T V Encoder & Billing problem Encryption Middileware problem ~15% of Problems IP/ATM Transport Core Transport Packet loss Local Channel Feeding error. QoS policy D/A Protocol configuration Local Ads & Internet Local Content Peering ~10% of Problems Aggregation & Last Mile cupper Loop problem Loop Performance & Stability Network Cust Prem Improper istallation practices (Joints in Dropwire, BB provision without Splitter) Noise and Impulse on Loop(I.e poor jointing) Distance between CO ADSL CPE Home & TV/STB ADSL2+ POTS QOS policy Residential Gateway L2/L3 Multicast Flooding & Packet ADSL2+ /CPE problem Aggr RG/ ONU STB loss VDSL FTTN Security/ IGMP Multicast Performance Authentication/ Policy Mgnt xpon Error Correction / Channel Fill Capacity Home PC Link/ TV Wiring Problem (Cat3/5, etc.) Performance ~30% of Problems Multiple PC/LAN devices ~45-50% of Problems 20 20

21 Bandwidth Testing Parameters Can the infrastructure handle hundreds of channels? Channel zapping How fast can a user change channels? Channel validation Is the correct information being received? Benchmarking How do real servers compare to the Lab environment? Triple-Play What is the effect on Voice and Data? 21 21

22 Technical Parameters Jitter : <10 msec (2 msec for HDTV) Packet loss : < 0.01 % (I-frame loss critical) Zap time : 2 to 3 seconds Latency : <30-40 msec For HDTV 8 Mbps For SDTV Mbps 22 22

23 Content Services April 17, 2015 Jitendra Garg DGM( TF CWG )

24 Content Value Chain New business opportunities 24 24

25 Content Services in Triple Play Broadcast type IPTV Pay TV Hi-Fi Radio Interactive type Electronic Programme Guide (EPG) Multicast Streaming Live Streaming for VOD Interactive TV Video Conferencing Interactive Online Network Gaming Interactive E-Learning Interactive E-Shopping On Demand type Tele-Medicine Interactive VOD Scheduled Capture ( n-pvr) Client side Personal Video Recording Pay per View(PPV) Games on Demand Time Shifted TV Others ( Music Download,Music of Demand,Karaoke on Demand,TV based internet access, caller ID pop up) Internet and Voice types VoIP Browsing on TV /SMS/MMS from TV Caller ID Popup

26 Business Opportunities and challenges April 17, 2015 Jitendra Garg DGM( TF CWG )

27 Reason for Preferences for IPTV The ability to save money The ability to select the time you watch a program ( on demand). The ability to receive a broader array of programming content to meet your particulars interest Interactive program guide with navigation & search option Digital Video recording/time shifted TV High definition TV 27 27

28 Indian Telecom : At a Glance India is third largest Television Market in the World Today 112 mn Television house hold 70mn pay TV house hold 68mn Cable house hold 2mn Direct to home ( DTH) householdexpect Expeted Growth PayTV Households are expected to reach 113 mn by 2011 DTH growth is expected 43% per annum Cable TV is expected around 5% per annum 28 28

29 Revenue Gross revenue of Telecom sector stands at US $ 20 Billion( 2% of national GDP) Broadband Growth per month Indian Telecom sector is going the through the highly impressive growth era 29 29

30 Major Challenges for IPTV. Pricing pressure Alternate platform DTH/CAS?? Content Cost high due to low volumes. Revenue share models workable. Competition with cable operators Emerging Market - Capacity Anticipation?? Marketing strategy Regulatory issues 30 30

31 60-70 % cupper pairs will used for provision of IPTV services Alternate solution is Fibre to the home (FTTH) 31 31

32 Best Product In The Market Phenomenal Speed 32 32

33 Thank You April 17, 2015 Jitendra Garg DGM( TF CWG )