Approaches to legacy migration

SUMMARY

Moving customers from an old network to a new one is associated with a range of risks. This report reviews some of these risks and looks at some strategies to mitigate them.

TABLE OF CONTENTS

• Key messages
• Operational issues in network migration
• Technology obsolescence scenarios
• Managing divergent imperatives
• Customer segmentation for migration
• Segmented migration strategies
• Competitive strategy in customer migration
• Implications for operator capabilities

Table of figures

• Figure 1: NGN transition: before and after
• Figure 2: Operational trends on network migration
• Figure 3: Operational trends with more realistic assumptions
• Figure 4: Obsolescence timeframe scenarios
• Figure 5: Four generic strategies for customer migration
• Figure 6: Simple customer segmentation
• Figure 7: Customer migration strategies for different segments