Advertisement Discovery Performance

Hello,

I am currently trying to run performance tests on an application I have
written using the Java JXTA implementation (v 2.3.x).  I begin by starting
up 12 peers on different nodes of a linux cluster.  Each peer creates and
advertises a bidi pipe and all peers are members of the same group.  I
discover the pipe advertisements by name (all advertisement names are built
using <PeerGroupName>:<PeerName>) by making a call to getRemoteAdvertisements
using 15 as the number of advertisements I would like to retrieve.  I wait
about 10 seconds before sending the next getRemoteAdvertisements request (I
have tried many different combinations - 1sec, 30secs, 60 secs) to give my
discovery listener time to parse the advertisements and attempt to connect
to the pipes.  Currently it takes about 5-10 minutes for all the peers to
discover and connect to each other peer (though sometimes the discovery does
not succeed for all peers).  My problem (finally) is that since I am still
in the process of making changes to my software baseline I would like to
find a way to improve the speed at which peers are discovered and wonder
if there is a more efficient method for discovery that I am not aware of?

Thanks in advance for any help/suggestions you can offer.

Geoff