The Cloud: Enabling Real-time Video Services Stefan Slivinski, Distinguished Engineer - Lifesize Communications

1. 1 © 2014 Lifesize, a division of Logitech. All Rights Reserved. Confidential.
The Cloud: Enabling Real-time Video Services
Stefan Slivinski
Distinguished Engineer
Lifesize Communications

2. Other Cloud Services that Transformed Industries
Brief case studies – very brief

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Youtube
simplified hosting and sharing of videos
Enabled any website to embed videos
Video enabling websites

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AWS
Elastic cloud
Pay for what you use
On demand computing in the cloud

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Twilio
easy to add voice calling or SMS to any websites or apps
No infrastructure to install or maintain
no telco involvement
Hosted voice and SMS services

6. Common Qualities of a Great Cloud Service

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Basic elements to a great cloud service
Rapid development
Accessible documentation and API
Great customer support
Accessibility

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Easy to use API
•Target mediocre developers
•Lots of examples in various languages
Simplicity
Basic elements to a great cloud service

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Customers expect reliability
Performance, novelty, usability don’t matter if unreliable
Their solution depends on you
Reliability
Basic elements to a great cloud service

10. Enabling Real Time Video Services

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Real time video services
Accessible client to call from
Server side call queues
customer to representative assignment
Call recording (for quality assurance purposes)
Call transfer (multiway calling)
Call center example

12. The Building Blocks
Of Video as a Service

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Real time video services
Client
•PC
•Smartphone
•Tablet
Real Time Video Services
•Call Service
•Queue Service
•Streaming Service
•Transcode Service
•Recording Service
•Multiway Service
The basic building blocks

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The Client
What is it?
Currently only supported by Firefox and Chrome (IE/Safari can’t be far behind)
Browser incompatibility
•Chrome refuses to support H.264
•IE/Safari likely won’t support VP8
•Firefox with do either VP8 or H.264
Server could provide transcode service
PC: WebRTC

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The Client
WebRTC in smartphone browsers?
•Would be limited to Android until Safari catches up
App’s offer better use experience
Apps currently require heavy client
Smart Phones / Tablets

16. Service Architecture

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The Real Time Video Services
Self contained services
Each can be used independently
Or connected to other services
Basic requirements for all services

18. The Whole is Greater than the Sum of it’s Parts

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Simple Use Case
Recording Service
•Enable one step content publishing
Streaming Service
•Could be used to play back recorded video
OR
Attach recording service to streaming service
•Live Broadcast
Recording Service
Streaming Service

20. Conclusion

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Conclusion
Client
•WebRTC codec fragmentation will slow adaption
•Lack of light weight solution for smartphone/tablet
Server
•Comprised of Real time video services
•Basic building blocks become all or part of a customers full solution

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Questions?