InfiniBand Network Architecture

Chapter 33. Detailed Description of SA

The Previous Chapter

The previous chapter provided a detailed description of the General Services Interface (QP1). It was provided at that point in the book because the SA is accessed via the GSI and this chapter covers the SA. Specifically, the previous chapter covered:

• The GSMs, GSAs, and GSIs.

• How to prepare an HCA GSI for use.

• The required versus optional GSAs.

• The SA and the GSI.

• GMPs use a VL buffer determined by the GMP's SL value.

• GMPs can transit routers.

• QP1 is a controlled-access QP.

• QP1's P_Key insertion and checking.

• Additional reference material.

This Chapter

This chapter provides a detailed description of the Subnet Administrator (SA). Specifically, it covers:

• The purpose of the SA.

• The SA is accessed ...