DropBox & PoPs
https://blogs.dropbox.com/tech/2016/11/infrastructure-update-pushing-the-edges-of-our-global-performance/
- 180ms for the light to traverse Pacific Ocean
- 90ms to traverse Atlantic Ocean
- TCP slows down everything (установить соединение)
- Proxy in CA, Texas, NewYork, Washington, UK, Netherlands, Germany, Japan, Singapore, HongKong
- User connects to these proxy (TLS, TCP handshake)
- Backbone links PoP <-> Datacenter to min average Round Trip Time per HTTPS request (Магистральная “опорная” сеть?)
- Open Peering: Major ISPs (Internet Service Provider) route Dropbox traffic through their network (400 ISPs)
- Своя собственная магистральная сеть??? Сколько стоит?
HELM-2.0
https://deis.com/blog/2016/helm-is-now-stable/
- Helm-classical was inspired by homebrew(!) github.com/helm/helm
- Jan 2016: Deis core team joined Google, Skippbox, Bitnami -> next Helm
- github.com/kubernetes/helm
- packages = charts
- stable (MariaDB, RedMine, Jenkins)
- incubator (cutting-edge Kubernetes features). May not work on all clusters.
- Future:
- Helm plugins
- starter packs
- chart verification tests
- security
- more authentication options