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Chapter 2. Architecture
2.1. Terminology
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- VM or Process - a JBoss EAP instance running JBoss Data Virtualization.
- Host - a machine that is "hosting" one or more VMs.
- Service - a subsystem running in a VM (often in many VMs) and providing a related set of functionality
In addition to these main components, the service platform provides a core set of services available to applications built on top of the service platform. These services are:
- Session - the Session service manages active session information.
- Buffer Manager - the Buffer Manager service provides access to data management for intermediate results. See Section 2.2.2, “Buffer Management”.
- Transaction - the Transaction service manages global, local, and request scoped transactions. See Section 6.1, “Transaction Support” for more information.
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