Automating R-PHY in the Transition to vCMTS (2024)

By Douglas Johnson, Vecima Networks; Moe Iqbal, Cox

Automated configuration management is a powerful approach to managing systems that replaces manual configurations with an automated, code-driven processes. This transition offers numerous benefits, including cost reduction, increased agility, improved reliability, configuration compliance, and enhanced security.

Automated configuration is an organizational investment that goes beyond simple tool adoption. It involves applying Software Development Lifecycle (SDLC) approaches to manage complex, organization-wide configurations applicable to the virtual Cable Modem Termination Systems (vCMTS)and supporting infrastructure. This process requires a systematic approach to planning, developing, testing, deploying, and maintaining configuration changes, ensuring they are consistent, secure, and scalable.

For many organizations, adopting automated configuration management also necessitates additional training and skill set alignment. Employees may need to learn new tools and technologies, such as Infrastructure as Code (IaC), Continuous Integration (CI) / Continuous Delivery (CD) pipelines, and specific automation frameworks like Ansible or Puppet. Moreover, there is often a cultural shift required, as teams adopt DevOps practices that emphasize collaboration, continuous improvement, and a shared responsibility for system reliability and performance. This alignment not only improves the efficiency of configuration management but also enhances the overall agility and responsiveness of the organization, allowing it to better meet changing business needs and technological advancements.

This paper mixes a practical-approach with foundational outcome-oriented discussions on organizational change. The included Pipelines are based on implemented or aspirational Pipelines as a real-world example of using Pipeline-based automation. We hope this approach enables Operators to customize theautomation approach to their organizational needs and goals.

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