Synchronizing passwords

I read sometime ago on comp.databases.oracle about third-party product that will allow single userid/password for multiple instances. I'd appreciate anyone who is doing this letting me know the name of the product and how it has worked for them.

thanx, joe

-- 
Joseph S. Testa, Database Administrator, Ohio EPA
  N8XCT, Emergency Coordinator (EC) & Local Govt Liaison (LGL)
  Pickaway County, OH and Official Relay Station (ORS), message content
  are MY views and NOT my current employer.