Single-domain network

In a single-domain network in which there are no overriding network naming conventions, you can use the following technique to code the APPL definition statements for TCAS and for the TSO users:

Code the following APPL definition statement for TCAS:
```
tsoa APPL ACBNAME=TSO,PRTCT=password,
          AUTH=(NOACQ,PASS,NVPACE,TSO,NOPO),EAS=1
```
The label tsoa is a unique network name. This name can be up to eight characters in length, but should be kept to less than eight so that it can be a prefix for the names on the subordinate TSO APPL definition statements.
Code as many APPL definition statements, in the following format, as there will be users logged on to TSO/VTAM at one time:
```
TSOannnn APPL  ACBNAME=TSOnnnn,PRTCT=password,
               AUTH=(NOACQ,PASS,NVPACE,TSO,NOPO),EAS=1
```
The label tsoannnn is a unique network name, which can be up to eight characters in length. It can be helpful to use the network name for TCAS as a prefix in the network name when coding APPL definition statements for each terminal logged on to the TSO/VTAM in this VTAM® host concurrently. For the nnnn suffix, use sequential decimal integers starting with 0001. For the ACBNAME, the nnnn suffix is a decimal integer; the numbering must start with 0001 and be sequential.

Note: It is recommended that session pacing should not be used; NVPACE should be coded. However, in situations where pacing is necessary, code a high value, such as VPACING=20.

You need to use the same password for TCAS and each TSO/VTAM user. You must code a different application program name, in the form TSOnnnn, for each user. The nnnn suffix is a decimal integer; the numbering must start with 0001 and must be sequential. NOACQ and NOPO need not be coded; they are default values.