1. MCUs: Comparative Analysis National Education and Research Network November, 2006 Jean Carlo Faustino Graciela Martins RNP © 2006 – RNP MCUs: comparative analysis

2. Index MCUs: comparative analysis 2) Similarities & differences 1) Model´s Overview 3) General Synthesis

3. MCUs: comparative analysis 1) Model´s overview

4. MCU 4205MCU 4210MCU 4215MCU 4220 Codian Polycom Tandberg MPS 200 MPS 800 MGC 25MGC 50MGC 100 Radvision SCOPIA 12/24 SCOPIA 400 SCOPIA 1000 MCU 3515 MCU 3545 Cisco

5. 9U11U12U Tandberg 800 Polycom 50 Polycom 100 Radvision 1000 Tandberg 200 3U2U Cisco 3545 Polycom 25 Radvision 400 1U Codian (Todas) Cisco 3515 Radvision 12/24 MCUs: comparative analysis List by size

6. Polycom 50 Polycom 100 Cisco 3545 Tandberg 800 Tandberg 200 Modular Radvision 1000 Radvision 400 Box MCUs: comparative analysis Kinds of MCU Polycom 25Codian (Todas) Cisco 3515Radvision 12/24

7. MCUs: comparative analysis Similarities & Differences

8. Common features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision bivolts (110/200v) Serial Ethernet hardware & interface similarities 

9. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision Socket Ethernet giga Second ethernet port Interface differences 

10. Common features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision H.235 128 bits key Password for conferences Security similarities 

11. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision Users Rights and Privileges Anti-firewall of vídeo Security differences  (*) have H.460, but need border controller *

12. Common features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision DiffServ TOS/IP Precedence QoS Similarities 

13. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision IP Error Resilency Qualivision Packet safe to Network Resillence QoS differences 

14. Common features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision upgrade telnet RS 232 SNMP API XML Management similarities 

15. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision Web Manager SSH System Logs Events Logs Backup of logs Management differences 

16. Common features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision ad hoc conferences Interaction by phone Block of remote audio Scheduling System of meeting Funcionality similarities 

17. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision Embedded Streaming Server Funcionality differences * * Only in the next version 

18. Common features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision 16 users by screen H.239 (dual video) slides by PC Text identification of each site Visualization similarities 

19. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision Number of layouts wide screen support Screen Message VNC client Camera Preview of sites visualization differences 52 27 23 26 26 

20. Common features MCUs: comparative analysis Video Protocols Similarities CodianPolycomTandbergCiscoRadvision H.261 H.264 

21. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision H.263 H.263+ H.263++ Video Protocols Differences 

22. Common features MCUs: comparative analysis Audio Protocols Similarities CodianPolycomTandbergCiscoRadvision G.711 G.722 G.722.1 G.728 

23. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision G.723.1 G.729 MPEG-4 AAC-LC MPEG-4 AAC-LD Polycom Siren 14 Audio Protocolos Differences 

24. Common features MCUs: comparative analysis Bandwidth Similarities CodianPolycomTandbergCiscoRadvision 2 Mbps in H.263 2 Mbps in H.264 

25. Different features MCUs: comparative analysis Bandwidth Differences CodianPolycomTandbergCiscoRadvision 4 Mbps in H.263 

26. Common features MCUs: comparative analysis Similarities of Communication Standards CodianPolycomTandbergCiscoRadvision H.323 SIP H.320 (ISDN) 

27. Different features MCUs: comparative analysis Differences of Communication Standards CodianPolycomTandbergCiscoRadvision H.323 (v5) Dont need Board or gateway to ISDN * * Only for some models  **

28. Common features MCUs: comparative analysis Interoperability Similarities CodianPolycomTandbergCiscoRadvision MCU Cisco IPVC Gateway Cisco IPVC 

29. Different features MCUs: comparative analysis Interoperability Differences CodianPolycomTandbergCiscoRadvision Gatekeeper GnuGK OpenSer (proxy SIP)  At first, the equipments aren´t homologates to GnuGK e OpenSer. Only pratical tests can give this answers. * **

30. Common features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision QCIF SIF CIF 4CIF continue Similarities of Video Resolutions 

31. Common features MCUs: comparative analysis Similarities of Video Resolutions CodianPolycomTandbergCiscoRadvision VGA SVGA XGA 

32. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision QSIF ISIF ICIF 4SIF Differences of Video Resolutions continue 

33. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision 228p 384p 400p 448p continue Differences of Video Resolutions 

34. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision 480p 576p 720p Differences of Video Resolutions 

35. Common features MCUs: comparative analysis Similarities of Frame rates CodianPolycomTandbergCiscoRadvision 30/60 

36. Common features MCUs: comparative analysis Similarities of Network Protocols CodianPolycomTandbergCiscoRadvision IPv6 T.120 * Only in 2007 * ** ** packet included, but is extern 

37. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision FTP RTP STSP DHCP continue  Differences of Network Protocols

38. Different features MCUs: comparative analysis CodianPolycomTandbergCiscoRadvision HTTP HTTPS NTP * Only in the next version *  Differences of Network Protocols

39. Common features MCUs: comparative analysis Transcoding Similarities CodianPolycomTandbergCiscoRadvision Audio and Video Transcoding Speed Translating 

40. Synthesis

41. MCUs: comparative analysis Totalising the Synthesis of Differences

42. MCUs: comparative analysis Totalising the Differences and Similitudes

43. MCUs: comparative analysis Totalising the Differences x Similitudes

44. MCUs: comparative analysis Next Steps News tests & avaliation Requirements definition