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Cisco Unified Contact Center Enterprise Solution Reference ...

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Chapter 11 Bandwidth Provisioning and QoS Considerations<br />

OL-8669-05<br />

<strong>Cisco</strong> <strong>Unified</strong> <strong>Contact</strong> <strong>Center</strong> <strong>Enterprise</strong> 7.x SRND<br />

Bandwidth Provisioning<br />

<strong>Cisco</strong> Desktop Administrator Bandwidth Usage<br />

The bandwidth requirements for <strong>Cisco</strong> Desktop Administrator are very small and are seen only when an<br />

administrator is actively changing configurations. In general, the bandwidth used by <strong>Cisco</strong> Desktop<br />

Administrator is negligible from a provisioning standpoint.<br />

<strong>Cisco</strong> Desktop Monitoring Console Bandwidth Usage<br />

The bandwidth requirements for the <strong>Cisco</strong> Desktop Monitoring Console are very small and short-lived.<br />

In general, the bandwidth used by the <strong>Cisco</strong> Desktop Monitoring Console is negligible from a<br />

provisioning standpoint.<br />

Best Practices and Recommendations for <strong>Cisco</strong> Agent Desktop Service Placement<br />

In a <strong>Unified</strong> ICM installation using <strong>Cisco</strong> Agent Desktop, the CAD servers may be standalone or<br />

co-resident on the PG. Regardless of the deployment configuration, a maximum of 1000 CAD agents are<br />

supported. For more detailed sizing information, see the chapter on Sizing <strong>Unified</strong> CCE Components<br />

and Servers, page 9-1.<br />

It is possible to have up to five VoIP Monitor Servers in a CAD installation. Only one VoIP Monitor<br />

service may exist on a single server. You may install a VoIP Monitor service on the PG with or without<br />

the other CAD base services.<br />

The main load on a VoIP Monitor service is not the number of simultaneous monitoring/recording<br />

sessions, but rather the amount of network traffic being sent to the VoIP service for the devices assigned<br />

to that VoIP service. When Switched Port Analyzer (SPAN) is configured to send traffic from a device<br />

to a particular VoIP service, that traffic (voice and perhaps data as well) is being sniffed by the VoIP<br />

services packet sniffer. This traffic is being sniffed even if there are no monitoring or recording sessions<br />

active. For this reason, there is a limit to the number of devices that can be assigned to a particular VoIP<br />

service.<br />

If a VoIP service is running co-resident with the base CAD services, it will support the network traffic<br />

of up to 100 agents. If there are more than 100 agents configured to use a single VoIP service, that service<br />

must be moved to a separate server. A single VoIP Monitor service installed this way can handle the<br />

network traffic of 400 agents. A single VoIP Monitor service can handle up to 58 simultaneous silent<br />

monitoring/recording sessions. Adding more VoIP Monitor services increases the monitoring/recording<br />

capacity of the installation.<br />

A single CAD installation can support one or two Recording and Playback services. Like the VoIP<br />

Monitor service, only one of these services can exist on a single computer. A Recording and Playback<br />

service may be installed co-resident on the PG with or without the CAD base services. If installed on the<br />

PG, a Recording and Playback service can support up to 32 simultaneous recording sessions. If more are<br />

required, the Recording and Playback service should be moved to a separate server (although it may<br />

coexist with an off-board VoIP Monitor service). An off-board Recording and Playback service can<br />

support up to 80 simultaneous recordings.<br />

A second Recording and Playback service will not increase the recording capacity, but a second<br />

Recording and Playback server does provide load balancing and redundancy to the installation.<br />

11-31

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