Diameter Routing Message Priority, August 2016
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When making routing and resource allocation decisions, Diameter nodes currently have no generic mechanism to determine the relative priority of Diameter messages. This document addresses this by defining a mechanism to allow Diameter endpoints to indicate the relative priority of Diameter transactions. With this information, Diameter nodes can factor that priority into routing, resource allocation, and overload abatement decisions.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.