TRANSFER Reference Manual

ALTER-ITEM-DESCR
TISERV UOW Descriptions
069139, Update 1 to 40969 Tandem Computers Incorporated 2–87
Figure 2-2 illustrates package delivery time milestones.
Figure 2-2. Package Delivery Time Milestones
Delivery
Time
Window
Expiration
Time
Window
Submitted
Date
Earliest
Delivery
Date
Actual
Delivery
Date
Latest
Delivery
Date
Expiration
Date
Windows
Milestones
TIME
002
EXPIRATION-DATE
is the date on which the package expires. On this date, the package is
automatically removed from the INBOX of any recipient who has not already
acknowledged its receipt through the ACK-RECEIPT UOW. Packages that are
acknowledged or are in other folders are not affected by expiration. Any copy
of the package kept by the sender must be explicitly discarded by the sender.
A relative date of value 0 M means that the package will not expire.
If a package expires and the recipient has not acknowledged its receipt, the
TRANSFER delivery system removes the package from the INBOX and
notifies the sender. Packages that are acknowledged by the recipient are never
removed from the INBOX by the TRANSFER delivery system; they must be
explicitly removed by the recipient.
By initial system default, TRANSFER packages do not expire. You can specify
that a given package should eventually expire by including a nonzero absolute
or relative expiration date and time in the package header. You can change
the default for your depot by specifying a nonzero relative expiration time in
your correspondent profile. This value must be within the maximum lifespan
as indicated by a TRANSFER system control parameter; if you submit a