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Change control
Planning
Change planning identifies the risk level that is associated with a change, and builds change
planning requirements to ensure a successful change. The main steps for change planning are
to:
Assign all potential changes a risk level prior to scheduling the change.
Document at least three risk levels for:
- Software and hardware upgrades
- Topology changes
- Routing changes
- Configuration changes
- New deployments
Assign higher risk levels to nonstandard adds, moves, or changes. The high-risk change
process that you document must include laboratory validation, vendor review, peer review,
and detailed configuration and design documentation.
Create solution templates for deployments that affect multiple sites. Include information
about:
- Physical layout
- Logical design
- Configuration
- Software versions
- Acceptable hardware chassis and modules
- Deployment guidelines
Document your network standards for:
- Configuration
- Software version
- Supported hardware
- Domain Name System (DNS)
- Device naming
- Design
- Supported services
370 Avaya Application Solutions IP Telephony Deployment Guide
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