TIA/EIA-732-800:2001

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Cellular Digital Packet Data (CDPD) System Specification Overview of Supplementary Protocol Information

Published By	Publication Date	Number of Pages
TIA	2001	12

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Description

Introduction

This part presents an overview of the supplementary protocol
information for CDPD. Supplementary protocol information is
included for two reasons: to help implementors better understand
CDPD protocols and to support the development of test suites for
the protocols. These CDPD protocol abstract test suites are
described in Part 900 through Part 999.

In general, there are two types of supplementary protocol
information: information relative to the protocol specification and
information relative to a particular implementation of the
protocol.

Information relative to the protocol specification can take one
of two basic formats: transition state matrices and Specification
and Design Language (SDL) diagrams. The selection of the best
format for a given protocol depends on the characteristics of that
protocol; this selection is described in Part 900.

In the following Parts, the transition state matrix approach has
been used to more fully define the CDPD MAC, MDLP, MNLP and MNRP
protocols. In the event of any conflict—either real or
perceived—between this CDPD protocol supplementary information and
the actual protocol definitions in Parts 402, 403, 501 and 507, the
conflict shall be resolved in favor of the actual protocol
definition.

Information relative to a specific implementation of a protocol
is described via Protocol Implementation Conformance Statements
(PICSs). This information is presented via a questionnaire, known
as the PICS proforma.

These proformas are presented in the following Parts for the
CDPD MAC, MDLP, MNLP and SNDCP protocols. A description of PICS can
be found in Part 900.

Additional information