02 — Capability · BC-1430.40
Planned Network Maintenance
Make network changes and upgrades inside agreed maintenance windows with the least customer impact and a tested way back if they go wrong.
- Maintenance Windows
- Network Change Control
- Scheduled Works
In scope
- Maintenance window scheduling and conflict checks
- Risk review and rollback plans for network changes
- Advance notice to affected customers and partners
Out of scope
- Change enablement for internal IT systems (see BC-740.30)
- Preventive maintenance of non-network assets (see BC-680.30)
Decomposes into · 3
- BC-1430.40.10Maintenance Window SchedulingBook network work into low-traffic windows and prevent overlapping jobs from taking down redundant paths together.
- BC-1430.40.20Network Change Risk ReviewCheck each planned change for customer impact, method and rollback before approval.
- BC-1430.40.30Planned Work NotificationTell affected business customers, wholesale partners and internal teams about planned work early enough to prepare.