Formal specifications

These pages hold the formal specification for Herald protocols, payloads, and subsystems. Each item also links to a web based overview page.

Specifications:-

Title	Status	Links
Herald Protocol	Implemented	Overview page Specification HTML
Herald Beacon Payload	Draft, Sample implementation	Overview page Specification HTML
Herald Extended Data area Payload	Draft, Sample implementation	Specification HTML
Herald Simple Payload	Draft, Sample implementation	Overview page Specification HTML
Herald Secured Payload	Draft	Overview page Specification HTML
Herald International Interoperability	Draft	Overview page Specification HTML

To raise issues for these protocols, please add them to the main Herald GitHub issues webpage

Terminology

The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in these documents are to be interpreted as described in RFC 2119.