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Enterprise Networking & Security
Network migrations succeed when the current state is understood, the target state is documented, and the cutover plan reflects the business impact. Sun Life Tech helps businesses move with less risk and fewer surprises.
Planning • Security • Operations • Documentation
Quick navigation
Use the jump links below to move through planning, design, security, vendor support, and next-step topics.
We can review the current environment, the risk, and the operational impact before you commit to a migration, firewall replacement, or managed support plan.
Security delivery
This support sits inside the same documented risk, access, supplier, and continuity framework used across Sun Life Tech services.
Sun Life Tech self-declares conformity of its Information Security Management System with ISO/IEC 27001:2022 within its defined scope. Our ISMS addresses risk management, controlled access, supplier oversight, incident response, continuity planning, internal review, and continual improvement.
First-party declaration; not accredited third-party certification.
The most common migration failures come from hidden dependencies, unclear validation criteria, and missing rollback thinking.
Document interfaces, VLANs, VPNs, routes, WAN circuits, APs, and business dependencies.
Define what the new environment should look like and what is intentionally being cleaned up.
Order the change steps, define validation checks, and build a realistic rollback plan.
Monitor the environment after go-live, update documentation, and capture follow-up work before details fade.
Most business migrations are driven by age, support status, office moves, branch standardization, or recurring instability.
Aging edge device, support expiration, or policy sprawl is forcing a cleaner platform transition.
Stack replacement, uplink redesign, or access-layer cleanup tied to office growth or old hardware.
Coverage, roaming, or controller limitations are hurting productivity or guest experience.
New sites, new circuits, or failover requirements are pushing the business toward a more repeatable branch model.
Related services
Adjacent services and consulting options that often belong in the same discussion.
Firewall projects are one of the most common migration drivers.
Switch and routing changes often sit inside broader migration work.
Good migration work starts with current-state clarity and ends with updated documentation.
Ongoing support is often the safest follow-up after a major cutover.
Related articles
Short reads that explain the technical decisions behind networking, firewall, VPN, and infrastructure projects.
A cutover checklist for the most common network migration scenario.
Refresh timing often drives migration urgency.
Migrations should solve real operational problems, not just replace hardware.
Current-state records shorten the migration window and make rollback more realistic.
FAQ
Short answers to the questions we hear before network upgrades, firewall changes, and managed support engagements.
Next step
We can review the current network, identify the operational and security gaps, and recommend a practical next step before you commit to a redesign or vendor change.