7468835
Descrição
Mapa Mental por Gladys Mba, atualizado more than 1 year ago
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Criado por Gladys Mba
quase 8 anos atrás
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5d- Changeover
and Installation
- Direct (Plunge)
- Old system runs until it is time
for new system to be used
- Old system immediately stopped and
new system installed straight after
- Data from old system
transferred to new
- Everyone starts using new
system at the same time
- Everyone starts using new
system at the same time
- Data from old system
transferred to new
- Old system immediately stopped and
new system installed straight after
- Old system runs until it is time
for new system to be used
- Parallel
- Date set for new
system to go live
- Old system continues to run as
new system is being installed
- For a period of time both
systems are run in parallel
- X- At this time data has to
be entered into both
systems in order for them
to be up-to-date.
- Old system retired once there is
confidence in new system
- X- At this time data has to
be entered into both
systems in order for them
to be up-to-date.
- For a period of time both
systems are run in parallel
- Old system continues to run as
new system is being installed
- Date set for new
system to go live
- Phased
- Part of the new system are
introduced one at a time
- As one module is introduced in the
new system, it's corresponding
module in the old system is stopped.
- As one module is introduced in the
new system, it's corresponding
module in the old system is stopped.
- X- The two systems have to
be very compatible and
have to share data easily.
- Can be combined with parallel
for each module
- Part of the new system are
introduced one at a time
- Pilot
- A group is an organisation are exposed to
the system before others in the organisation
- Any problem with system or installation is
identified and fix before full lance of system
- Can be combined which
phased and plot
- O- Group used in pilot can help other when
training using cascading waterfall model
- A group is an organisation are exposed to
the system before others in the organisation
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