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Designing and Deploying Cisco Unified IM and Presence

  • Sample Chapter is provided courtesy of Cisco Press.
  • Date: Feb 25, 2016.

OVA Template for Cisco Unified Communications IM&P

Table 14-2 presents the available VM overlays for Cisco Unified Communications IM&P installations.

Table 14-2 OVA Template for Cisco Unified Communications IM&P

User Capacity

vCPUs

Memory (GB)

vDisk

vNIC

500

1

2

1 x 80 GB

1

1000

1

2

1 x 80 GB

1

2000

1

4

1 x 80 GB

1

5000

2

4

2 x 80 GB

1

15,000

4

8

2 x 80 GB

1

The 500-user OVA template is the minimum VM configuration for use with the Cisco Hosted Collaboration Solution. The 1000-user OVA template is only supported for Cisco Business Edition 6000.

Another important factor is the number of presence or IM users. When using only IM, without presence, higher user counts are supported per server and cluster:

  • 500 full UC users, 1000 IM-only users, 6 single nodes, or subclusters
  • 1000 full UC users, 2000 IM-only users
  • 2000 full UC users per node, 2000 IM-only users, 3 single nodes, or subclusters
  • 5000 full UC users, 12,500 IM-only users, 6 single nodes, or subclusters
  • 15,000 full UC users, 25,000 IM-only users, 6 single nodes, or subclusters

NOTE

These templates may be adjusted and optimized with new releases of Cisco Unified Communications applications or VMware vSphere ESXi and can be found at http://docwiki.cisco.com/wiki/Virtualization_for_Unified_CM_IM_and_Presence.

IM&P Service maximum capacities per cluster are as follows:

  • Cisco Unified Communications mode: In this mode, IM&P service integrates into a full Cisco Collaboration Systems environment to provide an enterprise-class IM&P solution in conjunction with the full suite of Cisco Collaboration Systems services, including voice and video. In this mode, IM&P service supports Cisco Collaboration Systems clients, such as the Cisco Jabber platform, and Cisco Jabber SDK, as well as third-party Extensible Messaging and Presence Protocol (XMPP) standard-based clients. When operating in Cisco Unified Communications mode, IM&P Service scales up to a maximum of 45,000 users in a multinode CUCM cluster environment.
  • IM-only user mode: IM&P Service provides an enterprise-class IM&P solution for enterprise users who are not using CUCM for call control. In IM-only user mode, IM&P Service supports Cisco Collaboration Systems clients such as the Cisco Jabber client, and Cisco Jabber SDK for all enterprise-class IM&P services. IM&P Service also supports the ability for third-party XMPP standard-based clients to interface with CUCM for IM&P services. When operating in Cisco IM-only user mode, IM&P Service scales up to a maximum of 75,000 users in a multinode cluster environment. Users deployed as part of the Jabber for Everyone offer without voice and video services operate in IM-only user mode.
  • Microsoft Skype for Business interoperability mode (or Microsoft Remote Call Control): In this mode, IM&P Service allows Microsoft Skype for Business users on a PC to interoperate with Cisco Unified IP phones on CUCM by providing click-to-dial and associated phone monitoring capabilities. Interoperability is made available by activating Microsoft Skype for Business interoperability mode in IM&P Service and configuring Microsoft Skype for Business users. When operating in this mode, IM&P Service scales up to 40,000 Microsoft Office Communicator users per CUCM cluster.
10. Cisco Unified Communications IM&P Cluster | Next Section Previous Section

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