OSI PICS Manual

ISO 8073 for OSI/TS
Tandem OSI PICS Manual–135046
5-3
PICS for the OSI Connection-Oriented Transport
Protocol, Annex D (Normative)
PICS for the OSI Connection-Oriented Transport
Protocol, Annex D (Normative)
D.1 General
D.1.1 Symbols Used
Status Symbols
Support Symbols
D.1.2 Instructions for Completing the PICS Proforma
The main part of the PICS proforma is a fixed-format questionnaire divided into a
number of clauses. Answers to the questionnaire are to be provided in the rightmost
column either by simply marking an answer to indicate a restricted choice (such as Yes
or No), or by entering a value or a range of values, or entering what action is taken.
Symbol Meaning
M Mandatory
O Optional to implement. If implemented, the feature may or may not be used.
O.<n> Optional, but support of at least one of the group of options labelled by the same
numeral <n> in this PICS proforma is required.
<index>: This predicate symbol means that the status following it applies only when the PICS
states that the feature identified by the index is supported. In the simplest case,
<index> is the identifying tag of a single PICS item. <index> may also be a Boolean
expression composed of several indices.
<index>:: When this group predicate is true, the associated clause should be completed.
Symbol Support
Conf Configurable
Yes Supported
No Not Supported