When a software component stops working, which IPOCC component tries to get it going again?

When a software component stops working, which IPOCC component tries to get it going again?

A. IP Office

B. Watchdog

C. Chap
D. Kernel

Reference http://media.gswi.westcon.com/media/Westcon%20Czech/PRESENTATIONS/IPOCC-demosetupv1-westcon.pdf