CDA(5)CDA(5)NameCDA - Compound Document Architecture
Digital's CDA(TM) architecture is an enabling technology for the cre‐
ation and storage of compound documents and tabular data encompassing
multiple interchange formats, services, and applications.
The CDA architecture defines two document formats and a mail syntax for
the sharing and transport of revisable compound document and tabular
· DDIF(TM) (Digital Document Interchange Format) is the interchange
and application file format for compound documents containing
text, graphics, images, and audio.
· DTIF(TM) (Digital Table Interchange Format) is the interchange and
application file format for tabular data, such as spreadsheets and
· DOTS (Data Object Transport Syntax) is a transparent interface for
the transfer of compound documents with external links to multiple
subfiles via mail systems.
DDIF, DTIF, and DOTS are based on DDIS (Digital Data Interchange Syn‐
tax), an ASN.1 syntax that conforms to the specifications of Interna‐
tional Standards Organization Abstract Syntax Notation One (ISO ASN.1).
DEC CDA Run-Time Services provides the facilities for CDA applications
to create, store, interchange, and display CDA-supported compound docu‐
ment and tabular file formats. The run-time environment includes the
· A library of callable routines used by applications capable of
reading and writing DDIF (Digital Document Interchange Format) and
DTIF (Digital Table Interchange Format) files and invoking CDA
· A command line interface to display and convert revisable compound
document and tabular files from one format to another using the
· A windows-based CDA Viewer, provides the option to display CDA
documents on DEC OSF/1 systems which have installed DECwindows
Motif. For more information, see
DEC CDA Run-Time Services are available in the ULTCDABASE and the UDTC‐
For more information on converting files, refer to manpages for the
cdoc command, cda_msg, and run-time converters: ddifanls, ddifps, ddif‐
text, dtifddif, dtifanls, and textddif.
For more information on viewing files, refer to manpages for the vdoc
and dxvdoc commands, dvr_msg, and cda_msg.
Network services such as DECwindows Motif mail, DECnet(TM), the File
Transfer Protocol, DEC(TM)MAILworks(TM), PATHWORKS(TM), and ACA(TM)LiveLinks(TM) support transfer of CDA documents among key NAS(TM) plat‐
forms: VMS(TM) and ULTRIX(TM)DECwindows(TM)Motif(R), Sun(TM) SPARC‐
stations(TM), DEC OSF/1(R), MS-DOS(R)Microsoft(R)Windows(TM), and
OS/2(TM). For more information, refer to manpages for DOTS and the dtoc
and ctod commands.
There are a number of Digital and third-party CDA-capable applications
currently available on DEC OSF/1 DECwindows Motif and other platforms.
See your Digital sales representative for further information.
Sun and SPARCstation are trademarks of Sun Microsystems, Inc.
Motif and OSF/1 are registered trademarks of Open Software Foundation,
MS-DOS and Microsoft are registered trademarks of Microsoft Corpora‐
Windows is a trademark of Microsoft Corporation.
ACA, CDA, DDIF, DEC MAILworks, DEC, DECnet, DECwindows, DTIF,
LiveLinks, NAS, PATHWORKS, ULTRIX, VMS, and the Digital logo are trade‐
marks of Digital Equipment Corporation.
OS/2 is a trademark of International Business Machines Corporation.
See Alsocdoc(1), ctod(1), ddifanls(1), ddifps(1), ddiftext(1), dtifanls(1),
dtifddif(1), dtoc(1), dxvdoc(1X), textddif(1), vdoc(1), cda_msg(5),
DDIF(5), DDIS(5), DOTS(5), DTIF(5), dvr_msg(5)CDA(5)