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.


西津渡