Voice Resiliency in Lync Server 2010 presented by Justin Morris at MUCUGL July 2011

1. Voice Resiliency in Lync Server 2010 Justin Morris UC Consultant (and Australian) @jm_deluxe www.justin-morris.net justin@justin-morris.net

3. Connected OCS/Lync to the PSTN before?

4. Know what a SIP 301 Redirect is?

5. Know what SDP and RTCP is?

7. Lync client caches front end IP addresses.

8. FEs balance users across servers.

9. HLB only for HTTP traffic.

10. Registrar Service on each Front End Server.

11. Backup Registrar.

13. Know what it is your organisation wants

14. Is it productivity gains? Cost savings?

15. Work out what features of Lync you will deploy.

16. What level of availability/recovery do you require?

18. Enterprise Edition Front End Pool

19. Metropolitan Data Centre Resiliency

20. Backup Registrar

21. For your Branch Sites

22. Survivable Branch Appliance (SBA)

23. Survivable Branch Server (SBS) + Gateway

25. Up to 10 Front End servers

26. AV Conferencing Server Role can be split out for greater scalability

27. Backend on SQL 2005-2008 R2 Cluster

30. Requires a Standard Edition server allocated as a Backup Registrar for a pool in Topology Builder.

31. Secondary DNS SRV records must be created.

34. The most difficult to deploy and manage.

35. Requires:

36. Stretched VLAN across sites.

37. Stretched SQL 2008/2008 R2 cluster.

38. Synchronous data replication.

39. <20 ms latency between sites.

42. 1 RU chassis running Windows and Lync.

43. Has ISDN E1 ports in it for PSTN connectivity.

44. Made by hardware vendors.

45. For 25 - 1000 users.

46. Has no conferencing capability.

47. Just Registrar and Mediation services.

50. A Windows server you deploy.

51. For 1000 - 5000 users.

52. Has no conferencing capability.

53. Just Registrar and Mediation services.

56. A Windows server you deploy.

57. For greater than 5000 users.

58. Does have full conferencing capability i.e. MCUs.

61. Engage your voice, network, security and server teams WELL in advance.

62. Ensure you understand your voice resiliency requirements and select a solution accordingly.

63. Enjoy the ride and the awesomeness. 