TS Supplement (Includes RFC-1006 Support)

Changes in the Transport Layer When Using RFC-1006

Introduction to RFC-1006

107751 Tandem Computers Incorporated 1–19

Table 1-3. OSI Transport Service Primitives

Connection Establishment

Primitive Function

T-CONNECT.REQUEST A calling transport service user indicates that it wants to

establish a connection.

T-ATTACH * A called transport service user indicates that it is waiting for

an incoming connection.

T-CONNECT.INDICATION A called transport service user is notified that connection

establishment is in progress.

T-CONNECT.RESPONSE A called transport service user indicates that it will honor the

request.

T-CONNECT.CONFIRMATION A calling transport service user is notified that the connection

has been established.

Data Transfer

Primitive Function

T-DATA.REQUEST A sending transport service user sends data.

T-DATA.INDICATION A receiving transport service user is notified that data can be

read from the connection.

T-EXPEDITED

DATA.REQUEST

A sending transport service user sends expedited data.

T-EXPEDITED

DATA.INDICATION

A receiving transport service user is notified that expedited

data can be read from the connection.

Connection Release

Primitive Function

T-DISCONNECT.REQUEST A transport service user indicates that the connection is to

be closed.

T-DISCONNECT.INDICATION A transport service user is notified that the connection is

closed.

* This transport service primitive is Tandem-specific, not defined in ISO 8072.