Use binding lifetimes and contact timers correctly
03T1/T2 contact behavior and the preferred/valid lifetime of individual bindings are different pieces of state.
Related RFCs and changes
“Updates” changes part of an earlier RFC. “Obsoletes” replaces it. This list shows selected related documents.
DIAGRAM§ 14 ↗
RFC 9915 · § 14EXAMPLE
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03
Remove a binding whose valid lifetime expires without extension.
Remove a binding whose valid lifetime expires without extension.
Protocol participantThreat or exceptionProtocol controlSimplified drawings · precise section references
Read the updated RFC section ↗
Renewal and rebinding try to extend configuration before individual bindings expire.
- Renewal and rebinding try to extend configuration before individual bindings expire.
- A valid-lifetime expiry ends use even if a contact timer has not produced a successful response.
The drawing is a simplified worked example. Follow the linked RFC and its updates for implementation requirements.
Read the RFC section ↗Diagrams simplify the RFC. Read the linked sections for complete requirements.
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