This chapter provides a general introduction of the login process followed by a much more detailed discussion. If you only want a high-level view, I suggest you read the introduction to the login process, and then skip to the diagrams of the login request PDU and the login response PDU to see their general layout. After that, you can jump to the Chapter Summary to pick up the highlights.
If you need a more in-depth understanding of iSCSI, read the entire chapter.
We will address session establishment in several ways: