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On Factors Affecting the Usage and Adoption of a
Nation-wide TV Streaming Service
Dmytro Karamshuk1, Nishanth Sastry1, Jigna Chandaria2, Andy Secker2
1King's College London, 2BBC R&D
CD-GAIN: EPSRC project in collaboration with BBC R&D, http://bit.ly/cd-gain
CISCO Visual Networking Index
Video usage is exploding…
• Video traffic is predicted to reach 79% by 2018
• Three-fourths of mobile traffic will be video by 2019
Users have a lot of choice in Video Access
Devices
Pricing models
Operators
• Different networks 3G/4G and WiFi
often both together
• Different Pricing
(unlimited and limited
data plans)
• Different devices (phones, tablets, PCs,
Game Consoles, TVs, etc.)
We need to study the whole ecosystem to
understand user choices
Users - 32 M/month
IP address – 20 M/month
Sessions - 1.9 Billion
May 2013 – Jan 2014
≈ 50% of population
First-mile View of the UK’s IP-ecosystem
UK Population – 64M
Only available in UK
[ISPs are comparable]
[
Different perspectives on IP ecosystem
very large scale
cross ISPs view
DISCHINGER et al. [IMC’ 2007]
SUNDARESAN et al. [ACM
CCR‘2011]
KREIBICH et al. [IMC’ 2010]
SÁNCHEZ et al. [NSDI’2013]
XU et al. [ACM CCR’2005]
KARAGIANNIS et al. [ACM
CCR’2005]
MAIER et al. [IMC ‘2009]
MOORE et al. [ACNM‘2005]
Last-mile:
End-user
Middle Mile:
Internet Service Provider
First Mile:
Popular Website
small scale,
highly sampled
single ISP single app
Longitudinal View across ISPs
Fixed-line Internet market
(5 representative providers)
Mobile market is more dynamic than the fixed-line Internet market
Mobile Internet market
(5 representative providers)
Data caps decrease market share
All-you-can-eat data
(M1, M5)
Limited-cap data packages
(M2 – M4)
All-you-can-eat plans boost user consumption
Temporal Patterns in different ISPs
Fixed-line accesses (F1-F5) peaks in the evening
Mobile users watch more
during commutes
FixedLinedISPsMobile,limiteddatacaps
Mobile Data Pricing and Behavior
+ =
Unlimited data plans (M1, M5) is
a superposition of both
FixedLinedISPsMobile,limiteddatacaps
Mobile,unlimiteddata
More on Behavior: How Users Navigate across Content
Mobile users navigate more
Per user activity levels Per user completion ratio
… but complete less
Completing Watching across ISPs
Users complete watching across different sessions and networks
Fixed-line ISPs Mobile ISPs
Per user completion ratio
Speculative Content Pre-fetching
Pre-fetch at home Watch during commutes
Speculative pre-fetching can save up to 50% of mobile traffic
Prefetching does not work for Live Content
Ok, because live is low volume
We can provision for sport events in advance
… except for special sport events
We need to provide Infrastructural Support
DevicesPricing modelsOperators
Infrastructural Support
Impact of Infrastructural Support
Average per-user # sessions
Infrastructural support is important
Correlation with Ofcom statistics
Conclusion
• mobile market is dynamic and all-you-can-eat
boosts user consumption
• mobile consumption peaks during
commutes
• mobile content pre-fetching can save up to 50% of
mobile data except for special events
• infrastructural support is important to boost user
consumption
Dmytro Karamshuk
King's College London
follow me on Twitter: @karamshuk
Check out our another INFOCOM’2015 paper:
ISP-friendly Peer-assisted On-demand Streaming of Long
Duration Content in BBC iPlayer

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On Factors Affecting the Usage and Adoption of a Nation-wide TV Streaming Service

  • 1. On Factors Affecting the Usage and Adoption of a Nation-wide TV Streaming Service Dmytro Karamshuk1, Nishanth Sastry1, Jigna Chandaria2, Andy Secker2 1King's College London, 2BBC R&D CD-GAIN: EPSRC project in collaboration with BBC R&D, http://bit.ly/cd-gain
  • 2. CISCO Visual Networking Index Video usage is exploding… • Video traffic is predicted to reach 79% by 2018 • Three-fourths of mobile traffic will be video by 2019
  • 3. Users have a lot of choice in Video Access Devices Pricing models Operators • Different networks 3G/4G and WiFi often both together • Different Pricing (unlimited and limited data plans) • Different devices (phones, tablets, PCs, Game Consoles, TVs, etc.) We need to study the whole ecosystem to understand user choices
  • 4. Users - 32 M/month IP address – 20 M/month Sessions - 1.9 Billion May 2013 – Jan 2014 ≈ 50% of population First-mile View of the UK’s IP-ecosystem UK Population – 64M Only available in UK [ISPs are comparable] [
  • 5. Different perspectives on IP ecosystem very large scale cross ISPs view DISCHINGER et al. [IMC’ 2007] SUNDARESAN et al. [ACM CCR‘2011] KREIBICH et al. [IMC’ 2010] SÁNCHEZ et al. [NSDI’2013] XU et al. [ACM CCR’2005] KARAGIANNIS et al. [ACM CCR’2005] MAIER et al. [IMC ‘2009] MOORE et al. [ACNM‘2005] Last-mile: End-user Middle Mile: Internet Service Provider First Mile: Popular Website small scale, highly sampled single ISP single app
  • 6. Longitudinal View across ISPs Fixed-line Internet market (5 representative providers) Mobile market is more dynamic than the fixed-line Internet market Mobile Internet market (5 representative providers)
  • 7. Data caps decrease market share All-you-can-eat data (M1, M5) Limited-cap data packages (M2 – M4) All-you-can-eat plans boost user consumption
  • 8. Temporal Patterns in different ISPs Fixed-line accesses (F1-F5) peaks in the evening Mobile users watch more during commutes FixedLinedISPsMobile,limiteddatacaps
  • 9. Mobile Data Pricing and Behavior + = Unlimited data plans (M1, M5) is a superposition of both FixedLinedISPsMobile,limiteddatacaps Mobile,unlimiteddata
  • 10. More on Behavior: How Users Navigate across Content Mobile users navigate more Per user activity levels Per user completion ratio … but complete less
  • 11. Completing Watching across ISPs Users complete watching across different sessions and networks Fixed-line ISPs Mobile ISPs Per user completion ratio
  • 12. Speculative Content Pre-fetching Pre-fetch at home Watch during commutes Speculative pre-fetching can save up to 50% of mobile traffic
  • 13. Prefetching does not work for Live Content Ok, because live is low volume We can provision for sport events in advance … except for special sport events
  • 14. We need to provide Infrastructural Support DevicesPricing modelsOperators Infrastructural Support
  • 15. Impact of Infrastructural Support Average per-user # sessions Infrastructural support is important Correlation with Ofcom statistics
  • 16. Conclusion • mobile market is dynamic and all-you-can-eat boosts user consumption • mobile consumption peaks during commutes • mobile content pre-fetching can save up to 50% of mobile data except for special events • infrastructural support is important to boost user consumption
  • 17. Dmytro Karamshuk King's College London follow me on Twitter: @karamshuk Check out our another INFOCOM’2015 paper: ISP-friendly Peer-assisted On-demand Streaming of Long Duration Content in BBC iPlayer