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Open Shortest Path First

nounid 3433·updated Aug 30, 2026

verified· unreviewed

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

Open Shortest Path First is a link state routing algorithm used in interior gateway routing. Routers maintain a database of all routers in the autonomous system with links between the routers, link costs, and link states (up and down).

MWE

Attested in

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No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.

Classifications

per-axis with provenance

Entity Type

Network0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

—90%llm-generatedllm:claude-haiku-4-5

Information Class

—95%llm-generatedllm:claude-haiku-4-5

Variants

4 surface forms

acronym: OSPF
plural: Open Shortest Path Firsts
possessive: Open Shortest Path First's
pluralpossessive: Open Shortest Path Firsts'

Framework definitions

2 senses across 2 frameworks

SANS Glossary of Security Terms1 senseview framework →

§1: Open Shortest Path First is a link state routing algorithm used in interior gateway routing. Routers maintain a database of all routers in the autonomous system with links between the routers, link costs, and link states (up and down).

Legacy lexicon import1 senseview framework →

§1 · legacy_primary: Open Shortest Path First is a link state routing algorithm used in interior gateway routing. Routers maintain a database of all routers in the autonomous system with links between the routers, link costs, and link states (up and down).
DR-088 backfill from the noun definition column

Outgoing relationships

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Incoming relationships

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