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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Prioritization is used to control QoS at uP-L1 between devices. This document will follow RFC4594 Configuration Guidelines for DiffServ Service Classes.
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All messages MUST be assigned a priority
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Every topic MUST have a priority code associated with it.
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Default priority when not assigned MUST be CS1
Class | Description | Use Case |
---|---|---|
CS0 |
Low Priority. No bandwidth assurance |
File Transfer |
CS1 |
Standard, undifferentiated application |
General (unclassified) |
CS2 |
Operations, Administration, and Management |
Streamer messages (sub, connect, etc…) |
CS3 |
Multimedia streaming |
Video Streaming |
CS4 |
Real-time interactive |
High priority (rpc events) |
CS5 |
Signaling |
Important |
CS6 |
Network control |
Safety Critical |
Note
|
Please see uP-L2 Specifications for values used per message type. |