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Software-Defined DDI solution for the Hybrid Enterprise
With FusionLayer Infinity and F5 BigIP DNS

Summary

The reference architecture outlined in this document introduces FusionLayer’s hybrid network management design for enterprises that run Microsoft Active Directory (AD) in their networks and have implemented VPN connectivity to public cloud services such as Microsoft Azure and Amazon Web Services (AWS). The technical case study is based on a blueprint architecture FusionLayer has designed and deployed for Company Alpha (CA), a global enterprise within the logistics industry required to meet the stringent Payment Card Industry (PCI) requirements by its business infrastructure.

Introduction

During the pre-sales phase, FusionLayer carried out a discovery process whereby it analyzed CA’s existing processes in the solution area. As an outcome of that assignment, three operational problem areas were being identified:

  • Majority of CA’s network data such as subnet and VLAN assignments, MPLS and NAT links to logical networks, and network segments activated in public cloud were managed in spreadsheets. This had led to errors causing downtime.
  • Inability to automate DNS and IP address integrations with the existing VMware private cloud and the container-based application deployment model CA had on its roadmap. This led to slow service activation and increased OPEX.
  • Lack of DNS security features that CA needed to consistently meet the network security requirements required by PCI.

CA’s original Request for Proposal (RFP) had outlined a traditional DNS, DHCP and IPAM (DDI) architecture. Because deploying a traditional solution would have required a complete swap of the existing Microsoft DNS and DHCP infrastructure without solving all the business problems that CA was facing, FusionLayer recommended an alternate solution that allowed CA to retain its existing Microsoft core network services while addressing all the identified problems. The key business benefits of the proposed architecture involved higher levels of business continuity, operational efficiency and network security than any competing solution.

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