Survivability solutions

Use the indicated links to access these documents on the Avaya Support web site.

Survivability solutions

Avaya Communication Manger release 3.0 introduces new features in support of enhancing high availability and survivability. These features are in support of business continuity through unscheduled outages such as network failure and congestion as well as scheduled outages such as server upgrades.

General survivability features:

S8700-series server separation

Enterprise Survivable Server (ESS)

Connection preserving upgrades for duplex servers

Inter-Gateway Alternate Routing (IGAR) Survivability for branch office media gateways:

G700/G350 Media Gateway recovery via LSP

Modem dial backup

Auto fallback to primary Communication Manager for H.248 media gateways

Connection-preserving failover for H.248 gateways

G250 Media Gateway local survivability function (SLS)

Figure 78: Release 3.0 system example on page 268 summarizes these enhancements:

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Avaya 555-245-600 manual Survivability solutions