Full Text Index Lookup

The FullTextIndexLookup Service is responsible for creating a local copy of an index, and exposing interfaces for querying and creating statistics for the index. One FullTextIndexLookup Service resource can only replicate and lookup a single instance, but one Index can be replicated by any number of FullTextIndexLookup Service resources. Updates to the Index will be propagated to all FullTextIndexLookup Service resources replicating that Index.

Read more on Index Management Framework architecture.