OSI/FTAM Programming Guide

ISO FTAM Concepts
HP NonStop OSI/FTAM Programming Guide—528612-001
2-17
Service Classes
File open
File close
File access Locate FADU * M ** * O
Erase FADU
(requires read
or write)
Limited file File creation O O M M O
File deletion
Read
attributes
Enhanced
file
management
Change
attributes
(requires
limited file
management)
OOO O O
Grouping Beginning of
grouping
MOM M O
End of
grouping
FADU
locking
FADU locking
(requires file
access)
** O ** ** O
Recovery Regime
Recovery
OO O O
Checkpointing
Cancel data
transfer
(for
recoverable
errors)
Restart data
transfer
Restarting
data transfer
OO O O
Table 2-4. Relationship of Functional Units to Services and Service
Classes (page 2 of 3)
Service Classes
Functional
Units Services
File
Transfer
File
Access
File
Management
File Transfer
and
Management
Unconstr-
ained