SNAX/XF and SNAX/APN Configuration and Management Manual

SNAX/XF and SNAX/APN Configuration and Management Manual—425836-006
A-1
A Session Establishment
This section documents the details of session establishment for each scenario.
SNAX/XF Primary Lines
On SNAX/XF primary lines, the SNAX/XF LU is always the primary LU.
LU Acquire
The sequence of events varies between SNALU applications (including SNAX/HLS
and SNAX/APC) and applications using CRT, ITI or PRT, as shown in Figure A-1.
Figure A-1. SNAX/XF Primary Line: LU Acquire
SNALU
Application
SNAX/XF
Remote LU
OPEN
BIND request
(LU Object)
CRT/ITI/PRT
Application
BIND request
(LU Object)
WRITE/WRITEREAD
OPEN
(LU Object)
WRITEREAD containing
a BIND request
(LU Object)
VSTA01.vsd