Complete Sequence Number PDU
E538270
Complete Sequence Number PDU is a protocol data unit used in link-state routing to reliably synchronize and acknowledge the exchange of link-state information between network routers.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
OSPF Control Message
ⓘ
Protocol Data Unit ⓘ |
| acknowledges | link-state information exchange ⓘ |
| category | routing protocol control message ⓘ |
| communicationType | control-plane traffic ⓘ |
| containsField |
LSA age information
ⓘ
LSA checksums ⓘ LSA headers ⓘ LSA sequence numbers ⓘ |
| definedIn | OSPF specification ⓘ |
| ensures |
database synchronization between routers
ⓘ
reliable flooding of link-state advertisements ⓘ |
| hasAbbreviation | CSNP ⓘ |
| hasFunction |
allow neighbors to detect missing LSAs
ⓘ
allow neighbors to detect outdated LSAs ⓘ summarize link-state database contents ⓘ trigger retransmission of missing LSAs ⓘ |
| hasPurpose |
acknowledgment of link-state information exchange
ⓘ
reliable synchronization of link-state information ⓘ |
| helpsMaintain | consistent link-state databases ⓘ |
| notUsedFor | user data forwarding ⓘ |
| operatesAtLayer | Network Layer ⓘ |
| relatedTo |
Link-State Advertisement
ⓘ
Link-State Database ⓘ link-state routing protocol ⓘ |
| reliabilityRole |
detects inconsistent link-state information
ⓘ
detects missing link-state information ⓘ supports reliable LSA flooding ⓘ |
| requires | OSPF neighbor relationship ⓘ |
| scope | intra-domain routing ⓘ |
| sentBy |
Backup Designated Router
ⓘ
Designated Router ⓘ |
| sentWhen | periodic intervals ⓘ |
| standardizedBy |
Internet Engineering Task Force
ⓘ
surface form:
IETF
|
| usedBy | network routers ⓘ |
| usedFor | database description and verification ⓘ |
| usedIn | link-state routing ⓘ |
| usedInProtocol |
OSPFv2
NERFINISHED
ⓘ
OSPFv3 NERFINISHED ⓘ Open Shortest Path First NERFINISHED ⓘ |
| usedOn |
NBMA networks
ⓘ
broadcast networks ⓘ |
| worksWith |
Database Description packets
ⓘ
Link-State Acknowledgment packets ⓘ Link-State Request packets ⓘ Link-State Update packets ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.