DCN Clustering

DCN/Clustering

Critical Applications Require High Availability
When your voice messaging solution powers the way your organization communicates, services such as your automated attendant, IVR, outbound IVR and unified messaging need to remain available at all times. Unplanned system downtime can result in a loss of productivity to even more severe losses of property and life.

The T3main Direct Cluster Networking (DCN) solution minimizes unplanned as well as planned system downtime resulting from hardware failure, network outage or system maintenance. DCN employs a unique cluster configuration of redundant and fully synchronized nodes. Each node maintains a complete T3main voicemail application, database and file system that resides on a single machine, rather than leveraging shared storage which can be affected during a node or network outage. Proprietary software synchronizes the multiple databases asynchronously, whenever a change occurs in one node. Because replication occurs only when necessary, network traffic and CPU activity is minimized. And network latency or outage never affects real-time operation of the originating node, since data changes can occur locally and be transmitted to the other nodes after the network has stabilized.

Implementing a Cost Effective Highly Available Voicemail Application
By configuring its clustering mechanism to reside within the T3main, redundancy and scalability are provided at a fraction of the cost of typical clustering solutions.

The T3main utilizes off-the-shelf components including standard servers, disk drives and network equipment.Solution does not require a 3rd-party cluster engine and additional servers, SAN (storage area network device) or replicated file system.Additional capacity and redundancy can be achieved by incrementally scaling-out. Rather than having to replace servers with more expensive machines, new servers are added to handle higher call volumes. Additional servers can also be added to communicate with new PBXs as the enterprise expands.

  • Shared directory assistance.
  • Users can access their mailbox from any node.
  • Users can send a message to any internal user or group list regardless of node.
  • Name/greeting playback is available regardless of the node from which a message is sent.
  • Each node maintains a complete T3main voicemail application, database and file system.
  • Centralized administration allows administrators to make system-wide changes or view node status through any node.

  • Minimize planned and unplanned system downtime resulting from hardware failure, network outage or system maintenance.
  • No requirement to upgrade network infrastructure.
  • An architecture that includes fault tolerance, constant check of network availability, no single point of failure, encryption between nodes, geographic redundancy.
  • Improve enterprise-wide communication by making it easier to send messages to all offices across the globe. 

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