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OCS Architecture

OCS Architecture. Communications Today. E-Mail/Calendaring. Telephony VOIP/TDM. Mobile Devices. Audio Conferencing . Instant Messaging. Web Conferencing . Team Workspaces. Video Conferencing. Architecture ‘presence’. OCS SERVER. Shelley. Gene. Joe. Joe. Joe. Joe. Joe. Shelley.

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OCS Architecture

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  1. OCS Architecture

  2. Communications Today E-Mail/Calendaring Telephony VOIP/TDM Mobile Devices Audio Conferencing InstantMessaging Web Conferencing Team Workspaces Video Conferencing

  3. Architecture‘presence’ OCS SERVER Shelley Gene Joe Joe Joe Joe Joe Shelley Shelley Shelley Gene Gene Gene Gene Gene Gene Angi Angi Angi Angi Angi Angi Angi Angi Marty Marty Marty Steve Steve Steve Steve Steve Bob Bob Bob Bob Bob Shelley

  4. Architecture‘instant messaging’ OCS SERVER hello hello hello hello hello Gene OCS SERVER: ARCHIVING SERVER Shelley

  5. Q. How much bandwidth? • A. It’s variable. • Things that affect bandwidth • Number of contacts • Presence changes every hour • Quantity of IM’s • Quantify of messages per IM session • At Microsoft IM and Presence take up approximately 1.8 kbps per user over the course of a working day. • Stress test tool in the Resource Kit

  6. Architecture – standalone vs. enterprise pool Hardware IP Load Balancer Standalone IM & Presence 5,000 active users ‘Pool’ IM & Presence 50,000 – 100,000 active users SQL SQL Cluster SAN – Storage Area Network

  7. Architecture – global enterprise

  8. The Director Server Authenticates user with Active Directory Directs user to correct pool OCS SERVER: Director

  9. Internet Pool 1 Pool 2 DMZ Access Edge Proxy IIS Communicator Web Access Director

  10. Hardware IP Load Balancer Audio/Video & Web Conferencing ‘Pool’ IM & Presence Audio/Video & Web Conferencing 30,000 active users

  11. ‘Pool’ IM & Presence 50,000 – 100,000 active users ‘Pool’ Audio/Video & Web Conferencing 1,250 connections per server 250 connections per ‘meeting’ 10 presenter per meeting

  12. Architecture Clicks video icon You are being invited to a video session Video invite John Video invite Shelley Gene

  13. Architecture – global enterprise

  14. Internet DMZ Pool 1 Pool 2 Access Edge Web Conferencing Proxy Access Edge Proxy IIS Communicator Web Access Director Access Edge A/V Proxy

  15. Q. How much bandwidth? • Video: • Variable, but plan for 300k max per stream • SMPTE VC-1 compliant codec called RT Video • RT Video is enhanced to scale down bandwidth based on network performance • Audio: • Varible, but plan for 45k-50k max per stream • RT Audio codec • RT Audio is enhanced to scale down bandwidth based on network performance • Web: • 3-6kbs generally doing PPT push • 12-50kbs generally using application sharing Note: we are not integrating with ‘legacy’ audio/video conferencing systems using H323, ISDN, etc. natively. This will be done via gateways from 3rd party vendors.

  16. PBX Integration – supported VOIP scenarios Native if PBX supports mediation server w/o gateway Example: Nortel CS1000 and CS2100 IP Through Advanced Media Gateway Which supports RTAudio IP IP Through OCS Mediation Server and Basic Media Gateway PRI T1/E1 IP RT Audio Media Gateway Examples: Dialogic Quintum AudioCodes G.711

  17. PSTN PBX Integration – supported RCC scenarios via gateways Office Communications Server 2007 Third-party CSTAgateway TDM-PBX withproprietaryCTI support Proprietary Computer-Telephony Integration (CTI) protocol CSTA-over-SIP protocol PBX-connectedtelephones Communicator 2007 clients

  18. PSTN PBX Integration – supported direct RCC connection Office Communications Server 2007 IP-PBX withCSTA/SIP support CSTA-over-SIP protocol Examples of PBX with CSTA Support Nortel CS1000 Nortel CS 2100 Cisco CM 6.x and CUPS Avaya CM with AES PBX-connectedtelephones Communicator 2007 clients

  19. Architecture Puget Sound NY Office

  20. Architecture – global enterprise

  21. Live Meeting Data Center DMZ DMZ Internet

  22. Architecture – global enterprise

  23. Appendix D3 Evidence of the superior VoIP Quality of Experience Subjective perceptual experience (Mean Opinion Scores) Source: benchmarking study performed by Psytechnics Ltd in December 2006

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