add mindmap

docs/draft-mindmap.md

+# Resources (random ideas)
+
+## Physical
+
+- Room
+- Rack
+- Case
+- UPS
+- PSU
+- Disk
+- NIC
+- Cable: UTP, Serial, optical, patch, power
+  - color, ends, labels, type
+
+- kábeltálca
+
+### Network service (extends service)
+
+- switching
+- routing
+- vlan
+
+- have a port
+- line-card
+- TK power
+
+### Network concepts
+
+- network node
+  - eg. switch, router
+- Portauth
+
+### Other concepts
+
+
+## Logical
+
+- VLAN (and subnet)
+- Node (Machine/Virtual)
+- ILO
+- OS
+- Bound
+- IP (v4,v6, floating)
+- Gateway
+- Subnet
+
+## Logical II
+
+- Block, LVM, ZFS, RAID, CRYPTO, FS, ISCSI, CEPH
+- Filesystem
+- Storage
+- CPU, RAM, IOPS
+- Database
+- Stateless app
+- Volume
+- Authentication
+- External dependency
+  - internet, DNS, HTTP, TLS
+
+### Other concepts
+
+- Firewall
+- Load balancer
+- Ingress
+- Egress
+- Proxy
+- Cluster
+- Service (like k8s)
+
+## Relation types
+
+- depends
+- has
+- offer
+- implements
+- is_a
+
+## Check out
+
+- DSL to create schema
+- label vs annotation
+- RFC of domain
+- other infra modelling tools
+- Neo4J
+  - Do we need a "knowledge graph"
+
+## Questions
+
+- node down affection
+
+## Open questions
+
+- static and dynamic modelling
+- portauth as a service
+- teraform, ansible, k8s, vcsa, cisco lldp, snmp, consul, netbox
+
+TODO source of truth, other solutions