When you work on cloud platforms, you have to protect you application with security groups, kind of firewall rules. But when your platform becomes a little bit complex, it's difficult to analyze or troubleshoot all these rules. Because I like graphs and diagrams, I made a tool which help (at least me) to understand what is going wrong, for Openstack and AWS. I'm working now on the same kind of tool for GCP.
These tools do this kind of diagrams:
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I do agree with you @wesen , diagrams help a lot.
When you work on cloud platforms, you have to protect you application with security groups, kind of firewall rules. But when your platform becomes a little bit complex, it's difficult to analyze or troubleshoot all these rules. Because I like graphs and diagrams, I made a tool which help (at least me) to understand what is going wrong, for Openstack and AWS. I'm working now on the same kind of tool for GCP.
These tools do this kind of diagrams: