作为银行IT人员，囿于工作范围所限，很难或很少有机会能对银行的整体IT系统架构有个宏观的把握。市面上系统介绍银行IT系统的书籍少之又少。这便是作者“寂寞的银行分析师”萌生写这篇文档的原因-As the bank' s IT staff, are confined to the scope of work, it is difficult or rarely have the opportunity to have a macro grasp of the bank' s overall IT system architecture. The market system introduced the very few of the books of the bank' s IT system. This is the author of " lonely bank analyst initiation of the reasons for writing this document