More info on http://www.techdays.be

3. http://blogs.technet.com/ilvancri
ilvancri@microsoft.com
http://blogs.msdn.com/wesleyb
wesback@microsoft.com

4. • Introduction

5. Future of Communications
Communications Today
Instant Video Web E-mail and Audio
Messaging (IM) Voice Mail Conferencing Telephony Conferencing Calendaring Conferencing
Telephony Instant
Unified Messaging
and
Voice Mail E-mail and Conferencing:
Calendaring Audio, Video,
Web
Authentication Authentication
Authentication Authentication
Administration Administration
Administration Administration
Storage Storage
Storage Storage
Authentication Authentication
Authentication
Authentication
Administration Administration
Administration
Storage Administration
Storage
Storage
Storage
Compliance
On-Premises Hybrid In the Cloud

6. • On Premises – Online

8. Lync user can only be ‘homed’ on-premises or online
(can’t split IM/meetings/voice)

9. Exchange Server (on-
Exchange Online
premises)
• Lync client presence integration • Lync client presence integration
Lync Online • IM/Presence in OWA
• Lync client presence integration • Lync client presence integration
Lync Server on- • IM/Presence in OWA • IM/Presence in OWA
premises • Exchange Voice mail integration • Exchange Voice mail integration
Presence integration = OOF messages in Lync, calendar-based presence status, embedded presence in Outlook and Office
SharePoint Server (on-
SharePoint Online
premises)
• Lync client presence integration • Lync client presence integration
Lync Online
• Lync client presence integration • Lync client presence integration
Lync Server on- • Skill search in Lync client
premises

10. • Lync = Puzzle

11. Internet
Sip Trunk
Provider
PSTN
Anywhere / Anytime

15. rtclocal rtclocal
rtclocal
rtc
rtc

16. ▪ Registrar Component User Services Component
▪ Registration and Routing (Presence & Conferencing)
▪ Each registrar has its SQL Express DB
▪ User Services Component Registrar
Component
▪ Presence & Conferencing Registration &
Registrar and User Services are
Routing
▪
collocated in same physical Front
End in the DC
▪ All user end points register with same registrar
▪ Users are load balanced by Registrars
using a Distributed Hash Algorithm
Registrar can be installed in remote locations
Lync 2010
▪ Lync Server
2010 IP Phone
User’s Desktop

17. Data Center - EE Pool 1
Presence
Conferencing AD & DNS
Registrar
Alice’s Primary (Registration
Bob’s Primary
Registrar & User & Routing) Registrar & User
Services: Services:
EE Pool 2 EE Pool 1
Data Center - EE Pool 2
Branch Office
Presence
Conferencing Backup
AD & DNS Registrar
Registrar
Pool
Registrar
(Registration Joe’s Primary
& Routing)
Registrar: SBA
User Services:
Survivable Branch Appliance EE Pool 1

18. • Pictures

22. • NAT?

25. edge.contoso.com edge-int.contoso.com
131.107.155.10 172.25.33.10
External Internal
SIP: 5061 SIP: 5061
Web Conf: 444 Web Conf: 8057
A/V Conf: 443, 3478 A/V Conf: 443, 3478

26. access.contoso.com
131.107.155.10 443, 5061
External SIP
edge-int.contoso.com
webcon.contoso.com 172.25.33.10
131.107.155.20 443
Edge Internal
External Web Conf
Server
SIP: 5061
Web Conf: 8057
A/V Conf: 443, 3478
av.contoso.com
131.107.155.30 443, 3478
External AV

27. Public IP
IP1’ IP1
space
External SIP
Lync Server does not need
to know translated SIP and
Web Conf IP
IP2’ IP2
External Web Edge
Client NAT Conf Server
Int
Clients connect to IP for
A/V traffic
Translated AV IP must be
configured in Lync Server IP3’ IP3
External AV

30. Public IP space
IP1
DNS A records
Edge
access.contoso.com IP1 and IP4 IP2 Int
Server 1
webcon.contoso.com IP2 and IP5
IP3
av.contoso.com IP3 and IP6
Client
IP4
Client can retrieve and handle multiple IP
addresses and can fail over Edge
IP5 Int
DNS server returns randomized IP address Server 2
IP6

31. Public IP space
DNS A records
IP1’ IP1
access.contoso.com IP1’ and IP4’
IP2’ IP2
webcon.contoso.com IP2’ and IP5’
av.contoso.com IP3’ and IP6’
IP3’ IP3
NA
Translated AV IP addresses must T
be configured in Lync Server IP4’ IP4
individually
IP3 to IP3’ IP5’ IP5
IP6 to IP6’
IP6’ IP6

32. Public IP space
DNS A records
access.contoso.com VIP1
webcon.contoso.com VIP2
av.contoso.com VIP3 VIP
1
VIP
Initial AV connection requires will 2 HLB
land on VIP and gets forwarded. VIP
However clients will connect to 3
Edge directly (UDP)
TCP traffic continues to use VIP
NAT and HLB is not
possible

33. Lync Server 2010 Load Balancer Partners
KEMP

34. • NAT?
• Tools?

35. https://www.testocsconnectivity.com/

38. http://www.microsoft.com/download/en/details.aspx?id=12295

39. http://www.microsoft.com/download/en/details.aspx?id=19011

40. • Monitoring

41. 41

42. 42

43. Packets/Packet loss rate
SIP Session data:
• Jitter/Round Trip Time
• Endpoint IP address/mask
• Latency
• Inside/outside user flag
• Burst
• ICE Connectivity Path
• Codec(s)
• Network connectivity information PSTN
• Wired vs. WiFi • Mediation Server to gateway leg
• Link speed reporting
• VPN or not
• Bandwidth restrictions applied
Video Quality Metrics
Capture/Render device Audio Metrics
• Noise Level/Signal Level • Listening MOS
• Echo metrics for the client • Sending MOS
• Speech/signal and noise metrics • Network MOS/Network MOS
for the client Degradation
• Device CPU • User Diagnostics
• MAC address • Audio Healer metrics

50. Demo

51. http://www.microsoft.com/download/en/details.aspx?id=19711
http://www.microsoft.com/download/en/details.aspx?id=12295
http://www.microsoft.com/download/en/details.aspx?id=20891
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=ad8ff3fb-014e-4fd7-8003-436d896ab0c6
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=8c64a1e1-f0b3-479c-
a265-e480875c61d8&displaylang=en
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=80cc5ce7-970d-
4fd2-8731-d5d7d0829266
http://www.testocsconnectivity.com
http://www.powerpivot.com
https://www.microsoft.com/betaexperience/pd/SQLDCTP3NOCTA/enus/

52. ilvancri@microsoft.com
http://blogs.technet.com/ilvancri
wesback@microsoft.com
http://blogs.msdn.com/wesleyb