What are the universal problems and solutions for enterprise application development?

What are the universal problems and solutions for enterprise application development?
1. Data Access
Third parties include IB, AR, and NH. Of course they also provide other functions. Isn't codesmith counted?
2. Permission
Solution unknown
3. dynamically assemble Components
Castle IOC
4. Workflow
What are Microsoft and third parties?
5. Job Scheduling
Unknown

6. Single-point Login

7. Combination of menus and permissions

8. aspect

AOP of Castle

9. Intra-Site Search

10. Page monitoring

11. Traffic Analysis

12. graphical reports

13.

What are other general problems?