Chapter 5.
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## Chapter 5.

## Core Services

Rio provides 2 core services: Cybernode and Provision Monitor. The Jini Lookup Service (a.k.a reggie) is also required. Reggie is part of the Jini Technology Starter Kit (JTSK) and included in the Rio distribution. The service roles and responsibility are as follows:

- Cybernode

  The Cybernode represents the capabilities of a compute resource, turns a compute resource into a service, and acts as a dynamic lightweight container instantiating services.

- Provision Monitor

  Deploys and manages applications (composed of services), provides failover (if services fail they are re-allocated), and methods to scale and relocate services

- Lookup Service Provides service repository, contains meta-data about services, provides event model for the notification of service registration transitions (registered, changed, unregistered

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