## Topology History Page

Field | Description
--- | ---
Available topologies | Lists the topologies that have been archived.
Current topology | Check the Current Topology check box to select. Once selected, you can select a topology from the Dates column to compare the two topologies.
Dates | Lists the date of each historical topology snapshot (for example, `2003-10-29` `14:47:34`, with a selectable check box.
Compare Selected | Check the Select check box that corresponds to the two topology snapshots you want to compare. A differences list is displayed.
Delete Selected | Check the Select check box that corresponds to the topology snapshot you want to delete.