Microsoft Lync 2010: Planning for Conferencing Deployments Paul Brombley Senior Consultant Microsoft Corporation EXL315

Microsoft Lync Server 2010 Capacity Calculator Microsoft Lync Server 2010 Support for Large Meetings Number of attendees (in addition to presenter) % of total conferencesAverage duration in minutes 119%17 220%36 321%42 414%46 59%49 65%53 74%55 82% % % <1%100

Feature/capabilityLync 2010 Lync Web App Lync 2010 Attendee Lync 2010 Phone Edition Lync for Mac 2011 Add computer audio●●●● Add video●●● Use in-meeting presenter controls●●●● Access detailed meeting roster●●●● Participate in multiparty IM●●●● Share the desktop (if enabled)●●(plug-in)●●* Share a program (if enabled)●●(plug-in)●View only Add anonymous participants (if enabled)●●●● Use dial-in audio conferencing●●●● Initiate a meeting●● Add and present Microsoft PowerPoint files●● View only, no annotations Use a whiteboard●●● Conduct polls●●● Share files●●●●

Conferencing Database Focus Focus Factory Join Launcher Reach Server Dial-in Conferencing Page Web Components (IIS) IM Conferencing Server Web Conferencing Server App Sharing Conferencing Server Audio Video Conferencing Server Machine Boundary Process Boundary Conference Attendant Conference Announcement Service Personal Virtual Assistant

Focus Conferencing Client CCCP/SIP Web Conf Server IM Conf Server AV Conf Server C3P/HTTP SIMPLE/SIP (S)RTP PSOM Focus Factory SQL Server ® Backend Scheduling Client Scheduling Client CCCP/SIP SQL Conferencing Server Factory C3P/ HTTP App Sharing Conf Server RDP/RTP

Survivable Branch Appliance WAN Central Site 1 - Enterprise Edition Branch A Edge Server Pool HTTP reverse proxy contoso.com CA/DNS Exchange UM Server NA.contoso.com File Share DNS Load Balancing Director Pool AV Conferencing Pool PSTN PSTN Gateway Edge Server Pool HTTP reverse proxy Monitoring and Archiving Pool Front End Pool DNS Load Balancing Standard Edition SIP Trunking Central Site 2 - Enterprise Edition EU.contoso.com CA/DNS File Share AV Conferencing Pool Front End Pool DNS LB PSTN Gateway(s) Branch C PSTN Gateway “Branch” B GlobalVery Large 10,000+Unlimited Two Data Centers with EE One Central Site with an SE Enterprise Edition, > Two Data Centers Standard Editions Some SBA Some PSTN Survivable Branch Appliances Branch with Standard Edition Global, Multi-Site Unlimited This example Site 1: 18 servers Site 2: 11 servers 2413 users/server (central sites only)

Planning for Dial-In Conferencing

Planning for Simple URLs MeetDial-inAdmin Option etc. Option etc. Option etc.

DNS A: Meet.contoso.com -> DNS A: Meet.contoso.com -> 172, Web Certificate SN=ocsfe.contoso.com SAN=meet.contoso.com Web Certificate SN=ocsfe.contoso.com SAN=meet.contoso.com Web Certificate SN=webproxy.contoso.com SAN=meet.contoso.com Web Certificate SN=webproxy.contoso.com SAN=meet.contoso.com Publish web site: From external to ocsfe.contoso.com https_443 Publish web site: From external to ocsfe.contoso.com https_443 Simple URL Config: Meet.contoso.com -> contso.com SIP Domain Simple URL Config: Meet.contoso.com -> contso.com SIP Domain

CompanyFederatedAnonymous Anonymous via PSTN Company via PSTN InvitedNot Invited InvitedNot Invited Everyone meeting type IN IN (at least one company user is in) IN Company meeting type IN Lobby IN (at least one company user is in) IN Invited only meeting type INLobby IN (at least one company user is in) IN Locked meeting type Lobby

CodecRTAudio - 8Khz RTAudio - 16 Khz SirenG.711G.722RTVideo - CIF 15fps RTVideo - VGA 30fps RTVideo - HD 30fps RDP – App Sharing Typical Bandwidth – No FEC 29.3 kbps39.8 kbps25.5 kbps64.8 kbps46.1 kbps220 kbps508 kbps1210 kbps 70 kbps – 2 Mbps Upper Limit – No FEC44.8 kbps62 kbps52.6 kbps97 kbps100.6 kbps260 kbps610 kbps1510 kbps~10Mbps Upper Limit - FEC 56.6 kbps91 kbps68.6 kbps161 kbps164.6 kbpsn/a

Screen SizeAcceptableOptimal 1280x Kbps1.5 Mbps 1440x Kbps2 Mbps 1680x Kbps2.8 Mbps 1920x Kbps3.5 Mbps

demo Paul Brombley Senior Consultant Microsoft UK Bandwidth Calculator

26 Media TypePer Hop Behavior Queuing and Dropping Notes: AudioEFPriority QueueLow loss, low latency, low jitter, assured BW Pair with WAN Bandwidth Policies on constrained links VideoAF41BW Queue + DSCP WRED Class 4. Low drop priority. Pair with WAN Bandwidth Policies on constrained links SIP SignalingCS3BW QueueClass 3. BW allocation should be sufficient to avoid drops. App SharingAF21BW Queue + DSCP WRED Class 2. Low drop priority. Pair with End User Policy Caps File TransferAF11BW Queue + DSCP WRED Class 1. Low drop priority. Pair with End User Policy Caps

Enabling Quality of Service (QoS)

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