Polycom DMA 7000 System Superclustering

Polycom, Inc. 209

Superclustering

This chapter describes the Polycom® Distributed Media Application™

(DMA™) 7000 system’s superclustering capability. It includes the following

topics:

•About Superclustering

•DMAs

•Join Supercluster Dialog Box

•Supercluster Procedures

The two-server configuration of the Polycom DMA system is configured as a

co-located two-server cluster, which enhances the reliability of the system by

providing a measure of redundancy. To provide even greater reliability,

geographic redundancy, and better network traffic management, multiple

Polycom DMA systems (either single-server or two-server systems) in

distributed locations can be combined into a supercluster.

A supercluster is a set of up to five Polycom DMA system clusters that are

geographically dispersed, but still centrally managed. The clusters in a

supercluster are all peers. There is no “master” or “primary” cluster. All have

local copies of the same data store, which are kept consistent via replication.

This common data store enables all the Call Servers to share the same site

topology, dial plan, bandwidth management, endpoint registrations, usage

reporting, and status monitoring. Sharing and replicating this data also allows

single-point management (configuration/re-configuration) of the shared data

from any cluster of the supercluster. Up to three clusters can function as

Conference Managers, hosting conference rooms and managing pools of

MCUs.

Responsibility for most functionality, including Active Directory and

Exchange integration, device registration, call handling, and conference room

(VMR) hosting, is apportioned among the clusters using site topology

territories. You can assign a set of responsibilities to each territory, and you can