JINI USES A LOOKUP SERVICE in much the same way as other distributed systems use naming services and traders. Services register with lookup services, and clients use them to find services they are interested in. Jini lookup services are designed to be an integral part of the Jini system, and they have their own set of classes and methods . This chapter looks at what is involved in discovering a lookup service or service locator. This is common to both services and clients . The chapter also discusses issues particular to the Sun lookup service, reggie .