Cloud hybrid search uses an on-premises Search Service Application (SSA) to crawl resources and export this dataset to the SharePoint Online index. Its core benefits, as mentioned in Chapter 10, Overview of SharePoint Hybrid, are as follows:
- Users can see unified search results from multiple on-premises sources and cloud resources.
- Cloud hybrid search doesn't require any additional upgrades on-premises as long as the base prerequisites are met.
- It has a lower total cost of ownership for search since no additional on-premises hardware or capacity needs to be deployed moving forward. The enterprise search index is stored in SharePoint Online.
- Microsoft Office Graph applications, such as Delve, can surface content to users.
While cloud hybrid search does have significant benefits, as outlined in the previous list, it also comes with some caveats:
- Cross-site publishing search: A cross-site publishing search is not available with a hybrid search.
- On...