Designing Real-World Multi-domain Networks

Introduction

In most enterprise organizations, different teams of architects and engineers design, manage, and operate the various domains of the environment, the wide area network, the data center, the remote campus, or the cloud environment. With larger organizations, interaction between these groups is fundamental for a well-designed global environment. The advent of intent-based networking (IBN) has given rise to policy-driven environments. The architects create a policy designed for the single specific domain managed by a given controller. Each environment has its own controller. With each domain having its own network team, its own controller, and its own policy, a uniform end-to-end architecture becomes muddled and difficult to design, ...