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Kubernetes Podcast from Google
Kubernetes Ingress & Gateway API Updates, with Lior Lieberman
Mar 11, 2025
Lior Lieberman, a software engineer lead at Google Cloud, is a key player in Kubernetes networking and the Gateway API. He discusses the challenges and evolution of the Gateway API as a significant upgrade from the Ingress API. Lior emphasizes the API's advanced routing features and production readiness, debunking myths about its predecessor. He also highlights the importance of community collaboration in navigating these transitions and the future of Kubernetes extensibility, showcasing the impact of such innovations on service mesh integration.
45:15
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Quick takeaways
- Kubernetes 1.29 introduces a new NF tables mode for Kube Proxy, addressing performance issues with the previous IP tables mode.
- The Gateway API offers enhanced flexibility and a robust permission model, facilitating a smoother transition from the traditional Ingress API.
Deep dives
Introduction of New Features in Kubernetes
Kubernetes 1.29 introduces a new NF tables mode for Kube Proxy, which aims to resolve long-standing performance issues associated with the IP tables mode. Currently in beta, this mode is anticipated to become generally available in version 1.33. Users running a newer Linux kernel are encouraged to test this feature and provide feedback on its performance improvements. Moreover, the CNCF has welcomed KubeScape as a new incubating project, which focuses on comprehensive security coverage throughout the development and deployment lifecycle for Kubernetes applications.
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