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The container orchestrator landscape

The container orchestrator landscape

Posted Aug 26, 2022 1:25 UTC (Fri) by thockin (guest, #158217)
In reply to: The container orchestrator landscape by bartoc
Parent article: The container orchestrator landscape

> One thing that always really annoyed me about k8s is the whole networking stack and networking requirements. My servers have real ipv6 addresses, that are routable from everywhere and I really, really do not want to deal with some insane BGP overlay. Each host can good and well get (at least) a /60 that can be further subdivided for each container.

You don't need an overlay if you already have a decent sized range of IPs per node. Just use those IPs.

I don't know where the idea that you NEED an overlay comes from. If you have IPs, just use those. That's what it was designed for.

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The container orchestrator landscape

Posted Aug 26, 2022 23:18 UTC (Fri) by bartoc (guest, #124262) [Link]

When I was setting this up I found the supporting infrastructure for just using real ipv6 was really poor. You at least need something to read out whatever prefix you got from DHCP-PD and set up forwarding rules, and either set addresses on the VMs, or start a copy of radvd facing the containers and tell it about said prefix.

Or you could use a virtual switch, that would probably "just work"


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