Availability Guide for Application Design

What Is Application Availability?
Availability Guide for Application Design—525637-004
1-31
Availability and HP Products
Table 1-6. Language Compilers That Help Support Availability
The product... Helps provide availability because it...
C
++ Supports the concept of reusable code.
COBOL85 and
native mode
COBOL
Supports a limited set of checkpointing functions and provides
transaction control functions.
Refer to the COBOL85 Manual for details.
NonStop C Supports process pairs with active backup.
Refer to the Guardian Programmer’s Guide for details.
NonStop Server for
Java
Supports the concepts of portable and distributable code.
Refer to the NonStop Server for Java manual for details.
COBOL Enables you to write resilient Pathway requester programs allowing
takeover with no loss of context. This language also provides
transaction-control and checkpointing functions.
Refer to the Pathway/iTS COBOL Reference Manual for details.
TAL Supports the complete set of checkpointing functions, supports
process pairs with active backup, and provides transaction control
functions.
Refer to the Guardian Programmer’s Guide for details.
Table 1-7. Products and Facilities Related to DSM That Help Provide
Availability (page 1 of 2)
The product... Helps provide availability because it...
Distributed Name
Service (DNS)
Makes object management easier by maintaining a database of
names for objects managed by HP subsystems and user
applications.
Refer to the
Distributed Name Service (DNS) manuals for details.
Distributed Systems
Management (DSM)
Supports the management of system and network resources.
Refer to the Distributed Systems Management (DSM) Manual
(D-series only) for details.
Distributed Systems
Management
Solutions (DSMS)
Helps operators monitor and control systems and networks from a
single terminal.
Refer to the Distributed Systems Management Solutions (DSMS)
System Management Guide for details.
DSM Template
Services
Provides displayable text for tokenized messages.
Refer to the DSM Template Services Manual for details.
Event Management
Services (EMS)
Collects and distributes event messages generated by HP
subsystems and user applications.
Refer to the EMS Manual for details.