What is task dependency and what is it used for?
Some tasks need to be completed in a particular order. When the approach to a certain task depends on the result of another, dependency helps associate them together and determine an order to work. Projects' end-to-end Gantt visualization provides a bird's eye view of your tasks, helping you track them easily. Using the Task Gantt chart and the Milestone Gantt chart, you can effortlessly establish dependencies between tasks.
- Dependency between tasks of the same project: Premium, Enterprise, & Ultimate plans
- Dependency between tasks across projects: Enterprise & Ultimate plans
Types of Dependency
Zoho Projects supports four types of dependency.
- Finish-To-Start (FS) : The successor or dependent task can’t begin until the predecessor or parent task is finished. For instance, in a journal publishing process, self-review of a journal can’t begin until the draft is completed by the writer.
- Start-To-Start (SS): The successor or dependent task can’t begin until after the predecessor or parent task has started. For instance, as the peer review of the journal starts, the manager review can also be initiated.
- Finish-To-Finish (FF) : A task (successor/predecessor) can't be completed until the other task is finished.For instance, error correction can't be completed until the manager review is finished.
- Start-To-Finish (SF) : The successor or dependent task can be completed when the predecessor or parent task is about to begin. For instance, publishing the journal can’t be completed unless the journal binding starts.
Types of Dependency Link
- Hard Link: Successor task dates and completion are strictly enforced by the predecessor. Any delay or incomplete status in the predecessor automatically shifts the successor task schedule.
- Soft Link: Successor tasks retain a dependency on the predecessor but are not forced to shift. Changes in the predecessor do not automatically affect successor task dates or completion.
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