The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in IETF BCP14 (RFC2119 & RFC8174)
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The purpose of uDiscovery Service is for uEs to be able to find services (their location, version, instances, etc…), and lookup a service’s topic metadata (ex. message format, id, name, permission level, etc…).
The specification shall be split up into two parts:
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Client APIs: APIs used by uEs to find services and their topic metadata
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Service Implementation: Internal design and implementation details for how UDiscovery service will serve the client APIs and replicate the information between the local, domain, and central service instances.