Reliability And Recovery - Avaya Application Solutions Deployment Manual

Reliability and Recovery

The purpose of this chapter is to provide the reader an overview of the subject of
communication-system "availability," specific to Avaya Communication Manager and Avaya
Media Servers and Gateways. The discussion that follows demonstrates Avaya's long-standing
commitment to high availability in hardware and software design and the architectural strength
of Avaya Application Solutions.
A brief description of availability and its significance to a communications system is provided.
Hardware-design considerations, software-design and recovery considerations, IP Telephone
and remote media gateway recovery, and overall maintenance strategy are also described. The
reliability tables specify the reliability performance of Avaya Application Solutions building
blocks.
This chapter contains information on these topics:
Reliability
- Reliability and availability
- S8700 Server Complex
Avaya S8700 Media Server
S8700/MCC1 and S8700/SCC1 Multi-Connect hardware availability
S8700/G650 IP-Connect hardware availability
Configuration drawings
- Avaya S8500 Media Server
- Avaya S8300 Media Server with G350 or G700 Media Gateway
- Avaya DEFINITY Server R
- Avaya DEFINITY Server SI and CSI
Maintenance architecture
- Software and maintenance architecture recovery
- Software failure recovery levels
- S8700 Multi-Connect and IP-Connect software availability
- IP endpoint and remote media gateway recovery
Disaster Recovery and Business Continuity Solution
Design for High Availability
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