The Previous Chapter
The previous chapter described the various types of memory access violations that could take place and the protection mechanisms used to prevent them. It provided a detailed description of memory regions, memory handles, and protection domains (PDs).
This Chapter
The IBA specification defines a number of mechanisms to prevent various types of unauthorized access. While the previous chapter covered the memory-oriented protection mechanisms, this chapter provides a detailed description of the remaining protection mechanisms:
Preventing unauthorized access to UD QPs with PDs.
Partition keys (P_Keys).
Management keys (M_Keys).
The Subnet Management key (SM_Key).
Reliable Datagram Domains (RDDs).
Queue keys (Q_Keys).
Baseboard Management keys (B_Keys).
This chapter concludes the part of the book that focuses on protection mechanisms (i.e., Part 3).
The Next Chapter
The next chapter provides a detailed description of the RC transport service.