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Up to 99.99% Availability

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A geo-redundant setup spans at least 2 sites/regions, with a minimum of 2 compute nodes per site/region. MediationZone can be deployed in an Active-Active or Active-Passive configuration.

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  • Filesystem: required when runtime data is stored to disk. For example File System aggregation/correlation and Duplicate UDR Detection.

  • System Database: required.

  • Audit: optional.

  • Runtime state: optional, depending on use case.

VM-based High Availability Deployment

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System Database external to MediationZone deployment, must be setup in HA mode

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, Multiple Zones

The deployment illustrated below is a single MediationZone installation spanning across several Availability Zones.

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Recommendations:

  • The System Database is handled as a separate cluster (deployed in HA mode), external to the MediationZone deployment.

  • The Filesystem is mounted to all VMs if file-sharing between VMs is needed (which is common). Also, each VM has local storage embedded in the image.

MediationZone system availability:

  • In case of a VM failure, the VM is migrated to an alternate host by the virtualization environment.

    Required

    This is required for the ControlZone/Platform, and is use-case dependent for an ExecutionZone

  • Filesystem mounted to all VMs if file-sharing between VMs is needed (which is common)

  • Each VM has local storage embedded in the image

  • Workflow availability via:

    .

Workflow availability:

  • The ControlZone/Platform process orchestrates workflow execution and failover across a set of available ECs.

  • Real-time collection workflows run as active-active across multiple ExecutionZone nodes. Traffic fail-over between nodes using:

    • Protocol-level failover for protocols that support it (Diameter, Radius. etc.)

    • Load balancer for all other protocols (TCP/IP, HTTP, REST, etc.)

    • Distributed VMs and ECs over multiple Availability Zones for extra redundancy