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Conferencing over the Internet with Exchange Conferencing Server Ryan J. Phillips Microsoft Business Applications Micros

Conferencing over the Internet with Exchange Conferencing Server Ryan J. Phillips Microsoft Business Applications Microsoft Corporation Agenda Introduction Connectivity methods – Multicast vs. H.323 Codec bandwidth requirements Requirements Server Client Infrastructure Configuration

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Conferencing over the Internet with Exchange Conferencing Server Ryan J. Phillips Microsoft Business Applications Micros

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  1. Conferencing over the Internet with Exchange Conferencing ServerRyan J. PhillipsMicrosoft Business ApplicationsMicrosoft Corporation

  2. Agenda • Introduction • Connectivity methods – Multicast vs. H.323 • Codec bandwidth requirements • Requirements • Server • Client • Infrastructure • Configuration • Server • Client • Firewalls • Resources

  3. Introduction In today’s business model, collaboration and communication in real time is paramount to the success of an individual and/or company. To address this need, the Microsoft Exchange Conferencing Server provides a full range of audio/video and data conferencing services for the both the intranet and Internet workspace.

  4. Connectivity MethodsMulticast vs. H.323 • Multicast • Spanning Tree • IGMP (RFC 2236)(http://www.faqs.org/rfcs/rfc2236.html)(Note that this is not a Microsoft site) • One-to-many • Not used in general internet connectivity • H.323 • Unicast • Internet traversal • Firewalls and routers

  5. Codec Bandwidth Requirements • Audio • G.711 – 70 Kbps (default) • GSM 6.10 – 30 Kbps • Video • H.261 – 90 Kbps • H.263 – 90 Kbps (default) • (Only sends screen updates)

  6. RequirementsServer • Conferencing modes • Memory and CPU • Multicast – No additional memory required • H.323 – PII 450 MHz ~ 256 MB will host approx. 40 users • T.120 – PII 450 MHz ~ 256 MB will host approx. 2,000 users (*500 recommended) • Bandwidth * • Multicast (audio and video) – 128 Kbps or higher • T.120 (data) – 28.8 Kbps or higher • H.323 (data, audio, and video) – 160 Kbps or higher

  7. RequirementsClient • OS - Windows® 95, Windows® 98, Windows NT® 3.51, 4.0, Windows® 2000 • Data and Video Conferencing Client • Windows 95, 98 – Pentium 133 MHz and 32 MB or higher recommended • Windows NT – Pentium 133 MHz and 64 MB or higher recommended • Multimedia peripherals • Audio/video card • Video camera • Headset ~ microphone ~ speakers

  8. RequirementsInfrastructure • Routers and firewalls • Packet/port filtering • 1503 – TCP (T.120) • 1720 – TCP (H.323 call setup) • 1731 – TCP (H.323 audio call setup) • Dynamic * – TCP (H.323 call control) • Dynamic * – UDP (H.323 streaming)

  9. RequirementsInfrastructure – Firewalls/Proxy Servers • 80 – Web traffic • 1503 – T.120 • 1720 – H.323 • 1731 – H.323 • >1024 – H.323

  10. RequirementsInfrastructure – Proxy • Proxy servers • Reverse Web hosting

  11. RequirementsInfrastructure – IGMP Support • Windows 2000 RRAS • IGMP support

  12. ConfigurationServer • CMS • Access URL

  13. ConfigurationServer (continued) • T.120 MCU • Local * • Internet

  14. ConfigurationServer (continued) • Windows 2000 sites

  15. ConfigurationClient • Bandwidth settings • Connection • Video • Audio

  16. ConfigurationClient (continued) • Secure Conferences • Certificates *

  17. Resources • Resources • IP Multicast RFC • IGMP RFC • H.323 Primer White Paper • ECS – H.323 White Paper • NetMeeting Resource Kit • Exchange 2000 Conferencing Server Product Info (Note that some of these are non-Microsoft Web sites.)

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