JAUS Core Service Set

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JAUS Core Service Set

This document defines a set of standard application layer1 interfaces called JAUS Core Services. JAUS Services provide the means for software entities in an unmanned system or system of unmanned systems to communicate and coordinate their activities. The Core Services represent the infrastructure commonly found across all domains and types of unmanned systems. At present, eight services are defined in this document: Transport Service: Abstracts the functionality of the underlying communication transport layer Events Service: Establishes a publish/subscribe mechanism for automatic messaging Access Control: Manages preemptable exclusive control for safety critical operations Management: Defines component life-cycle management Time: Allows clients to query and set the system time for the component Liveness: Provides a means to maintain connection liveness between communicating components Discovery: Governs automatic discovery of remote entities and their capabilities List Manager: Encompasses behavior common to doubly linked lists Each service is described by a JAUS Service Definition (JSD) which specifies the message set and protocol required for compliance. Each JSD is fully compliant with the JAUS Service Interface Definition Language [JSIDL]. This document supersedes the original publication of SAE AS 5710. As with the original, this document includes interface definitions for services common in distributed unmanned systems. This revision adds the List Manager service, and extends functionality of both the Events and Access Control services. In addition, several ambiguities in the original are addressed as well as errors in the XML encoding.