补充
拖图
Cloud和On-Premise;
Cloud:
easy to scale the capacity up and down
highly agile
On-Premises:
infrstructure requires large and regular investments
highly customizable
云:
易于扩大和缩小容量
非常敏捷
本地:
基础设施需要大量定期投资
高度可定制的


agent-based&agentless;
agent-based:
puppet
saltstack
agentless:
ansible