3. Restrict the access frequency of single IP
Send verification code with SMS
Check user registration status
User
Check user remain bonus points
Exchange gift with bonus points
Get bonus points with uid
1. Introducing Graphic Verification Code
Game 2 backend server
Fail
Success，more than 1 gift
Measures
3.1. Generate JavaScript files
Depend on the registration status show different welcome speech
Game 2 schema
Game 1 schema
Back End
Consuming SMS fee
Sufficient deduction of balance
Login
Main schema(Schema mapping)
Login success
Get verification code
Press excnahge button
Auto webpage generator engine（JAVA）
Validate
Normal process
Threaten
Personalized configuration
Front End
3.2.Storage
7. Game tag
Data Base
Ect...
yes
2. Increasing Distributed Locks
HTTP 500
no
Large concurrent requests
Net jam
6. Operation system backend
Personalized configuration data
Success，1 gift
Route
5.Use
Personalized Function Page（ExtJs）
2.Send to backend
Many threads check user remain bonus points
fail
pass
1.Config
Login fail
System
Operator
4.Framework load
Game 1 backend server
Hacker
