The Gnutella2 object search mechanism defines a powerful query descriptor capable of specifying a number of different extensible search criteria, and requesting a subset of information about matching objects.
/Q2 - Gnutella2 Query
Querying the Gnutella2 network can lead to a lot of results, putting a resource strain on both the network as a whole nad the querying party itself. Therfore a client SHOULD NOT send any more queries after he has received about 100 results. The client should also not send too many query packets at the same time