Gartner Research

Framework for Migrating to a Next-Generation Firewall

Published: 25 June 2015

ID: G00277481

Analyst(s): Rajpreet Kaur


Changes in the threat environment, the need to renovate core networks, and existing systems coming to end of life mean that most organizations are due to refresh their perimeter firewalls. Our framework will help you to make the transition from traditional to next-generation firewall platforms.

Table Of Contents
  • Key Challenges



  • Perform a Network and Firewall Configuration and Policy Audit
  • Identify New Features and Evaluate Their Impact on Performance
  • Ask for a Detailed Initial Quote
  • Understand Your Internal Training Requirements and Create a Training Agenda
  • Carefully Evaluate New Firewall Features Using a POC Process
  • Test for Interoperability Between Other Network Equipment
  • Use Firewall Migration Tools to Replicate Existing Firewall Rules
  • Create a Rollback Strategy to Restore Critical Services
  • Avoid Bulk Migration in Case of Distributed Networks

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