LSDB DataSet » History » Revision 4
Revision 3 (Vince Lehman, 11/13/2014 01:32 PM) → Revision 4/13 (Vince Lehman, 11/17/2014 12:42 PM)
LSDB DataSet
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LSDB datasets are published in the namespace `/$ROUTER_NAME/lsdb/`:
## LSAs
All LSAs have 3 fields in common represented by an **LsaInfo** block:
LsaInfo := LSA-TYPE TLV-LENGTH
OriginRouter
SequenceNumber
ExpirationPeriod?
OriginRouter := ORIGIN-ROUTER-TYPE TLV-LENGTH
Name
SequenceNumber := SEQUENCE-NUMBER-TYPE TLV-LENGTH
nonNegativeInteger
ExpirationPeriod is the remaining lifetime of an LSA or omitted if it's infinity.
## Adjacency LSAs
All Adjacency LSAs in the LSDB are published as a [[NFD:StatusDataset|Status Dataset]] at `/$ROUTER_NAME/lsdb/adjacencies`.
AdjacencyLsa := ADJACENCY-LSA-TYPE TLV-LENGTH
LsaInfo
Adjacency+
Adjacency := ADJACENCY-TYPE TLV-LENGTH
Name
Uri
Cost
## Coordinate LSAs
All Coordinate LSAs in the LSDB are published as a [[NFD:StatusDataset|Status Dataset]] at `/$ROUTER_NAME/lsdb/coordinates`.
CoordinateLsa := COORDINATE-LSA-TYPE TLV-LENGTH
LsaInfo
HyperbolicRadius
HyperbolicAngle
Double := DOUBLE-TYPE TLV-LENGTH(=8) TLV-LENGTH
double-precision floating-point number in binary64 format as defined in IEEE 754
best representation?
HyperbolicRadius := HYPERBOLIC-RADIUS-TYPE TLV-LENGTH
Double
HyperbolicAngle := HYPERBOLIC-ANGLE-TYPE TLV-LENGTH
Double
## Name LSAs
All Name LSAs in the LSDB are published as a [[NFD:StatusDataset|Status Dataset]] at `/$ROUTER_NAME/lsdb/names`.
NameLsa := NAME-LSA-TYPE TLV-LENGTH
LsaInfo
Name+
## LSDB Status
All LSAs in the LSDB are published as a [[NFD:StatusDataset|Status Dataset]] at `/$ROUTER_NAME/lsdb/list`.
The LSAs in the LSDB are organized and represented as an **LsdbStatus** block:
LsdbStatus := LSDB-STATUS-TYPE TLV-LENGTH
AdjacencyLsa*
CoordinateLsa*
NameLsa*
## TLV-TYPE assignments
Type | Assigned value | Assigned value (hex)
------------------------------------------- | ----------------- | --------------------
LsaInfo | 128 | 0x80
OriginRouter | 129 | 0x81
SequenceNumber | 130 | 0x82
AdjacencyLsa | 131 | 0x83
Adjacency | 132 | 0x84
CoordinateLsa | 133 | 0x85
Double | 134 | 0x86
HyperbolicRadius | 135 | 0x87
HyperbolicAngle | 136 | 0x88
NameLsa | 137 | 0x89
LsdbStatus | 138 | 0x8A