这里有一个例子，开源的saga 框架
优缺点
Benefits
Centralized coordination logic is easier to understand
Reduced coupling, e.g. Customer knows less
Reduces cyclic dependencies
Drawbacks
Risk of smart sagas directing dumb services
这里有一个例子，开源的saga 框架
优缺点
Benefits
Centralized coordination logic is easier to understand
Reduced coupling, e.g. Customer knows less
Reduces cyclic dependencies
Drawbacks
Risk of smart sagas directing dumb services
