
CHAPTER 2 Analyze: Documenting Business Requirements
9
You can write a high-level business description in addition to or instead of a
diagram.
Operational Business Requirements
This section suggests ways to document your operational business
requirements. You will use these baseline requirements to help you plan the
migration and develop success criteria. This section covers the following
issues:
• Availability Requirements
• Database Change Metrics
• Database Dump Details
• Maintenance Procedures
• Service Level Requirements
• Transaction Profile
Availability Requirements
Record the times users need to access databases, as well as maximum
acceptable downtime, as in the following example:
Database
name Operational hours
Maximum
downtime
General
Comments
TRD 07:00 – 23:00
Mon to Fri
5 min
CIS 07:00 – 23:00
Mon to Fri
15 min
ACT 07:00 – 21:00
Mon to Sat
5 min
MKT 07:00 – 20:00
Mon to Fri
30 min
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