Saas business
一. chain
customer : operator :application :feature: platform .
二. operator
三. application
office
erp
mall
game
四. feature
search engine
monitor system
security
dynamic language
special db system
special file system
五. platform
virtual computing resource system
cloud file system
cloud db system
cloud os
六. chance
big fish or small fish should find their way to survive.
相关资源：java-SaaS架构设计.zip
