What is Forward and Backward Scheduling?

[Jofin...@gmail.com]

What is Forward and Backward Scheduling?
What do you mean by forward scheduling and backward scheduling?
Backward scheduling is the calculation of deadline dates: the arrival
time at the customer site is calculated as the earliest possible goods
receipt time at the customers unloading point on the requested
delivery date. All four of the delivery and transportation scheduling
lead times are subtracted from the customer’s requested delivery date
to determine if this date can be met.
The transit time, loading time, and pick/pack time are subtracted from
the customer’s requested delivery date to calculate the required
material availability date.
The system calculates backward scheduling as follows:
Requested delivery date minus transit time = Goods issue date
Goods issue date minus loading time = Loading date
Loading date minus transportation lead time = Transportation
scheduling date
Loading date minus pick/pack time = Material availability date
By default, the system will calculate delivery dates the closest day,
taking into consideration the working days of the shipping point and a
rounding profile. In this case the system assumes a 24 hour work day
and lead times can be entered in days up to 2 decimal points. This is
referred to as daily scheduling.
Precise scheduling calculated down to the day, hour and minute is
supported. This allows the scheduling of a delivery within a single
day. It is activated by maintaining the working hours for a
particular shipping point.
Backward scheduling is always carried out first. If the material
availability date or transportation scheduling date is calculated to
be in the past, the system must then use forward scheduling.
Forward scheduling is also done if no product is available on the
material availability date calculated by backward scheduling. The
system does an availability check to determine the first possible date
when product will be available. This new material availability date
forms the starting point for scheduling the remaining activities. The
loading time, pick/pack time, transit time, and transportation lead
time are added to the new material availability date to calculate the
confirmed delivery date.

[Archana]

Is Forward based pricing procedure and backward pricing procedure same
as you are talking in the topic below... I understand it talks about
scheduling, but after going thru it just wanted to confirm. Very well
explained.

[Hit-SAP]

Very well explained concept.

"It is activated by maintaining the working hours for a particular
shipping point."

It would be really helpful if you would tell that how do we configure
these and where?

Regards