Kubernetes at CERN: Use Cases, Integration and Challenges
Table of Contents

Kubernetes at CERN: Use Cases, Integration and Challenges.
Source: speakerdeck.com

Kubernetes at CERN: Use Cases, Integration and Challenges.
Source: speakerdeck.com
We’ve discussed many interesting use cases for SNI support within the edge proxy/gateway with both open source and commercially supported users of Ambassador. In a nutshell (and with thanks to Wikipedia), SNI is an extension to the TLS protocol which allows a client to indicate which hostname it is attempting to connect to at the start of the TCP handshaking process. This allows the server to present multiple certificates on the same IP address and TCP port number, which in turn enables the serving of multiple secure websites or API services without requiring all those sites to use the same certificate.
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Configuration management is a hard, unsolved problem. We share some unique insights about the strengths and weaknesses of several popular K8s config management tools. Of all the problems we have confronted, the ones over which the most brainpower, ink, and code have been spilled are related to managing configurations.
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This is brief summary of parts of my master’s thesis and the conclusions to draw from it. This medium-story focuses on containerized application isolation. The thesis also covers segmentation of cluster networks in Kubernetes which is not discussed in this story.
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