1. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 1 Scaling WebRTC with Media Servers Vince Puglia Developer Advocate – Dialogic October 7 th, 2015

2. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 2 Over 25 years connecting and adding value to Enterprise and Service Provider Networks US HQ (New Jersey) / 20+ Regional offices Strong Ecosystem +3,000 application developers 48 of top 50 mobile carriers 80% of the Fortune 1000 PowerMedia XMS - Software-based media server | MRF | MCU | media platform Millions of rich media mixing sessions deployed worldwide About Me Vince Puglia Developer Advocate Vincent.Puglia@dialogic.com linkedin.com/in/vincentpuglia http://www.slideshare.net/Dialogic @vfpuglia

3. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 3 Media Servers?

4. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 4 Paradigm Shift – the acceptance of media servers

5. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 5 The role of the Media Server Multi-party Conferencing Transcoding Broadcasting Recording Augment reality Stream Processing Media Server

6. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 6 Peer-to-Peer vs. Peer-to-Server signaling media Media Server Peer-to-Server Server client signaling media Peer-to-Peer client media control

7. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 7 What is scalability?

8. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 8 What is scalability? Scalability is the ability of a real-time reliably communication application to reliably feature-rich handle a growing amount of feature-rich work in a capable manner or its ability to be elastic elastic to accommodate that growth

9. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 9 ADVANCED FUNCTIONALITY SCALABILITY RELIABILITY

10. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 10 Advanced Functionality

11. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 11 Multiparty Conference – FULL MESH mess  GOOD:  ‘Simple’ to implement  Low latency  Low cost to implement  BAD:  High up-link & down-link BW at client  High CPU to encode/decode at client  No advanced functionality (interworking, record, analytics, etc)

12. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 12 Multiparty Conference- Selective Forwarding Unit (SFU) Media Server  GOOD:  High performance  Low latency  UI flexibility  BAD:  No transcoding / SIP integration / least common codec  High down-link BW at client  High CPU to decode at client

13. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 13 Multiparty Conference- Multipoint Control Unit (MCU) Media Server  GOOD:  Transcode, transrate, transsize  Low CPU & BW at client  Advanced functionality (interworking, centralized recording, analytics,  BAD:  Transcoding is CPU intensive  Additional latency  UI limitations - Layout controlled by server

14. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 14 WHICH DO I CHOSE? MESHSFUMCU GOODBADGOODBADGOODBAD Simple to implementHigh BW at clientHigh performanceNo transcoding / SIP int.T-code/T-rate/T-sizeT-code is CPU intensive Low latencyHigh CPU at clientLow latencyHigh BW at clientLow CPU & BW at clientAdditional latency Low cost to implementNo advanced functionalityUI flexibilityHigh CPU at clientAdvanced functionalityUI limitations WHY CHOSE?

15. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 15 Scalability VERTICALHORIZONTAL

16. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 16 Media Server-1 Scalability NOT ALL MEDIA SERVER TASKS ARE CREATED EQUAL Media Server-2

17. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 17 Media Server Scalability

18. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 18 Scalability

19. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 19 Scalability - Media Resource Broker  Standards compliant – RFC 6917 & 3GPP TS 23.218  Intelligent load balancer & orchestration for media servers Media Server Media Resource Broker (MRB): AS MRB Media Server IVR CONF TRANSCODE

20. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 20 Cloud IaaS / NFVI Orchestration App Servers A little help?!? Okay! I’m here for ya Thanks All set! MRB MS-1 MS-2 AS

21. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 21 Scalability - Pseudo Call-flow with a media server ASMRBMS1MS2Client Call signaling Media control MS1 status MS2 status Media control Media

22. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 22 Reliability

23. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 23 Reliability- Media Resource Broker  Standards compliant – RFC 6917 & 3GPP TS 23.218  Intelligent load balancer & orchestration for media servers  Media server failure detection  Stateful call preservation  “Moves” established sessions  Local and geographic redundancy Media Server Media Resource Broker (MRB): AS MRB Media Server

24. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 24 Pseudo Call-flow – traditional fail-over with RE-INVITE ASMRBMS1MS2Client Call signaling – REINVITE with new addresses Media control MS1 status MS2 status Media control + call states Media

25. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 25 Reliability

26. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 26 Building for scale and reliability

27. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 27 Application Server signaling media Scaling WebRTC with Media Servers ‘API’

28. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 28 Media Server Application Server ‘API’ signaling media Scaling WebRTC with Media Servers

29. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 29 Media Server Application Server signaling media Scaling WebRTC with Media Servers ‘API’

30. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 30 Media Server Application Server signaling media MRB Scaling WebRTC with Media Servers ‘API’

31. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 31 Media Server Media Server-2 Application Server signaling media MRB Media Server Media Server-1 Media Server Media Server-3 Scaling WebRTC with Media Servers New york Chicago San Francisco ‘API’

32. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 32 MRB Media Server Media Server-2 Application Server signaling media MRB Media Server Media Server-1 Media Server Media Server-3 Scaling WebRTC with Media Servers New york Chicago San Francisco ‘API’

33. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 33 MRB Media Server Media Server-2 Application Server signaling media MRB-2 Media Server Media Server-1 Media Server Media Server-3 Scaling WebRTC with Media Servers New york Chicago San Francisco MRB MRB-1 MRB MRB-3 New york Chicago San Francisco ‘API’

34. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 34 MRB Media Server Media Server-2 Application Server-2 signaling media MRB-2 Media Server Media Server-1 Media Server Media Server-3 Scaling WebRTC with Media Servers New york Chicago San Francisco MRB MRB-1 MRB MRB-3 New york Chicago San Francisco Application Server-1 Application Server-3 ‘API’

35. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 35 MRB Media Server Media Server-2 Application Server-2 signaling media MRB-2 Media Server Media Server-1 Media Server Media Server-3 Scaling WebRTC with Media Servers New york Chicago San Francisco MRB MRB-1 MRB MRB-3 New york Chicago San Francisco Application Server-1 Application Server-3 LB ‘API’

36. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 36 LB Application Server-3 ‘API’ MRB Media Server Media Server-2 Application Server-2 signaling media MRB-2 Media Server Media Server-1 Media Server Media Server-3 Scaling WebRTC with Media Servers New york Chicago San Francisco MRB MRB-1 MRB MRB-3 New york Chicago San Francisco Application Server-1 LB ‘API’

37. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 37 LB Application Server-3 ‘API’ MRB Media Server Media Server-2 Application Server-2 MRB-2 Media Server Media Server-1 Media Server Media Server-3 Scaling WebRTC with Media Servers New york Chicago San Francisco MRB MRB-1 MRB MRB-3 New york Chicago San Francisco Application Server-1 LB ‘API’ Cloud IaaS / NFVI Orchestration

38. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 38 WEBRTC IN THE WILD  WHO: SaferMobility  WHAT: Mobile safety, information sharing, and emergency notification system technology  Universities, Corporate campuses & hospitals  Video, Audio & Location  Android & iOS with WebRTC & SIP  WHY WEBRTC:  Endpoint cost  Encryption / Security  HOW MEDIA SERVER ENHANCES THE SOLUTION:

39. COMPANY CONFIDENTIAL © COPYRIGHT 2015 DIALOGIC CORPORATION. ALL RIGHTS RESERVED. 39 Summary  Media Servers are becoming a staple for real world deployments  Many architectures to choose from – why chose?  Think scale and reliability  Thank you! - Any questions?