Change control
376 Avaya Application Solutions IP Telephony Deployment Guide
What-if analysis
What-if analyses seek to understand the affect of the change on the existing environment. For
example, if you add a new feature to a media gateway, the what-if analysis should determine
the resource requirements of that feature on the media gateway. This type of testing is normally
required when adding additional features, users, or services to a network.
Change planning
Change planning is the process of planning a change, including identifying requirements,
ordering the required hardware and software parts, checking power budgets, identifying human
resources, creating change documentation, and reviewing technical aspects of the change and
change process. You should create change planning documentation such as maps, detailed
implementation procedures, testing procedures, and backout procedures. The level of planning
is usually directly proportional to the risk level of the change. A successful project should have
the following goals for change planning:
●
Ensure all resources are identified and in place for the change.
●
Ensure a clear goal has been set and met for the change.
●
Ensure the change conforms to all organizational standards for design, configuration,
version, naming conventions, and management.
●
Create a backout procedure.
●
Define escalation paths.
●
Define affected users and times when the network will be out of service for notification
purposes.
Change planning includes the generation of a change request, which should be sent to the
change controller.
Recommendations for change request information
Avaya recommends including the following information on the change request form:
●
Name of person requesting change
●
Date submitted
●
Target date for implementing the change
●
Change control number (supplied by the change controller)
●
Help desk tracking number (if applicable)
●
Risk level of the change
●
Description of the change
Содержание Application Solutions
Страница 1: ...Avaya Application Solutions IP Telephony Deployment Guide 555 245 600 Issue 3 4 1 June 2005 ...
Страница 20: ...About This Book 20 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 21: ...Issue 3 4 1 June 2005 21 Section 1 Avaya Application Solutions product guide ...
Страница 22: ...22 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 74: ...Avaya Application Solutions platforms 74 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 106: ...Call processing 106 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 124: ...Avaya LAN switching products 124 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 139: ...Issue 3 4 1 June 2005 139 Section 2 Deploying IP Telephony ...
Страница 140: ...140 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 186: ...Traffic engineering 186 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 204: ...Security 204 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 214: ...Voice quality network requirements 214 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 228: ...Avaya Integrated Management 228 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 239: ...Reliability Issue 3 4 1 June 2005 239 Figure 69 S8700 Media Server in a high reliability configuration ...
Страница 274: ...Reliability and Recovery 274 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 275: ...Issue 3 4 1 June 2005 275 Section 3 Getting the IP network ready for telephony ...
Страница 276: ...276 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 350: ...Implementing Communication Manager on a data network 350 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 356: ...Network recovery 356 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 366: ...Network assessment offer 366 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 367: ...Issue 3 4 1 June 2005 367 Appendixes ...
Страница 368: ...Appendixes 368 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 394: ...Access list 394 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 414: ...DHCP TFTP 414 Avaya Application Solutions IP Telephony Deployment Guide ...