> # Feature History for CFS

> Table 14-2 lists the release history for this feature. Only features that were introduced or modified in Release 3.x or a later release appear in the table.

> Table 14-2 Feature History for CFS
> Feature Name | Releases | Feature Information
> --- | --- | ---
> CFS Pending Difference | 5.0(1a) | Added the new CFS pending difference screen shot.
> CFS Regions | 3.2(1) | Region tabs added to CFS and dialog boxes for creating a region and assigning a feature to a region Enables users to configure a CFS region that contains a subset of switches in a switch fabric.
> CFS support for allowed domain ID lists | 3.0(1) | Allowed DomainIds tab under VSAN, Domain Manager Enables the allowed domain ID lists to be distributed in the fabric using the CFS infrastructure.
> CFS over IP | 3.0(1) | Enables CFS distributions over IP connections.
> CFS support for RCSN | 3.0(1) | CFS tab under VSAN, Domain Manager, Advanced Enables the RSCN timer value to be distributed in the fabric using the CFS infrastructure.
> CFS Regions | 3.2.(1) | Added All Regions and Feature by Region tabs Allows to view and manage CFS Regions. You can create regions, assign features to region and move features from one region to other using the All Regions and Feature by Region tabs.

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