High Availability
To achieve "5 nines" or "6 nines" reliability, today's network devices need to use
software which is not only engineered to unprecedented levels of quality, but also able
to work around hardware failures and handle software upgrades without needing to be
restarted. To meet this requirement, Metaswitch offers an extension to the N-BASE:
the High Availability Framework.
The High Availability Framework easily integrates with and augments the high availability
architectures developed by our customers and third party suppliers. As such, it allows our
customers to build systems without a single point of failure, thereby achieving
"5 nines" or "6 nines" availability.
Metaswitch’s High Availability Framework
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replicates configuration and state information from a primary to a backup system
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manages the handover from the primary to the backup either of the whole system or
of individual components
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manages hot software upgrades
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maps configuration information between different software versions
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manages distribution of individual components across multiple processors transparently.
The High Availability Framework integrates seamlessly with all of Metaswitch's network
software products. For some products, Metaswitch supplies implementations that offer
resilience and hot software upgrade while interoperating with standard non-resilient
systems. For others, standards-defined protocol extensions are used to enable these features.
The benefits of Metaswitch's High Availability Framework are to
- maximize system uptime
- eliminate/reduce single points of failure
- minimize resynchronization effort after failures
- minimize performance degradation during failures
- deliver uninterrupted services across software upgrades
- deliver uninterrupted services across hardware replacements
- maximize flexibility
- allow persistent state storage
- provide dynamic configuration
- scale to support very large systems.
Configuration Management
Metaswitch's Configuration
Safe Store product provides significant availability and fault tolerance advancements
in management of configuration information for its network software products.
For more information see the
Configuration Safe Store page.
More Information
For more information about the High Availability Framework and Metaswitch's
network software products and expertise contact
.