HN769: CI/CD Pipelines and Network Automation

This episode explores the application of continuous integration and continuous deployment (CI/CD) pipelines in network automation. Against the backdrop of traditional network configuration methods, which often involve manual changes and subsequent troubleshooting, the discussion highlights the benefits of automating the entire process. More significantly, the interview delves into the goals of network automation, emphasizing scale, complexity management, increased frequency of changes, and improved accuracy. For instance, the guest, Tony Bourke, points out that generating configurations programmatically, rather than manually, significantly reduces human error. As the discussion pivoted to CI/CD pipelines, the guest explained how these pipelines automate the steps involved in network changes, from generating configurations based on abstracted data models (like YAML files) to deploying and testing them across multiple devices. The interview further clarified that while CI/CD pipelines offer significant advantages for large-scale operations, simpler approaches focusing on automated configuration generation, deployment, and post-deployment testing can yield substantial benefits for smaller teams. In contrast to the "big bang" approach of deploying large changes all at once, CI/CD enables smaller, more frequent deployments, leading to faster iteration and improved reliability. This means for network engineers, embracing automation, even without full CI/CD implementation, can dramatically improve efficiency and reduce errors, paving the way for more agile and reliable network management.