Software-defined networking (SDN) for L2 and L3 (layer two and three) networking and network function virtualization (NFV) for L4-L7 network services have remained elusive for many IT departments due to the lack of maturation of the technology or specialized skills needed to implement them. But, network automation doesn’t have to be an all or nothing proposition. Software-defined approaches for application and networking services combined with scripting and orchestration tools such as Ansible are enabling practical approaches to network automation that doesn’t require boiling the ocean. In this article, I’ll examine some best practices for network automation in L4-L7 services that can drive immediate improvements in your network.
The motivations to automate may seem obvious but are worth reviewing to understand what you want to achieve and how you will measure your success.
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